WO2006093356A1 - 車両用駆動装置の制御装置 - Google Patents
車両用駆動装置の制御装置 Download PDFInfo
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- WO2006093356A1 WO2006093356A1 PCT/JP2006/304675 JP2006304675W WO2006093356A1 WO 2006093356 A1 WO2006093356 A1 WO 2006093356A1 JP 2006304675 W JP2006304675 W JP 2006304675W WO 2006093356 A1 WO2006093356 A1 WO 2006093356A1
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- engine
- state
- speed
- continuously variable
- control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/26—Transition between different drive modes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/145—Structure borne vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
- F16H2057/0012—Vibration-damping or noise reducing means specially adapted for gearings for reducing drive line oscillations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/686—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with orbital gears
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a control device for a vehicle drive device, and more particularly to a technology for downsizing an electric motor or the like in a vehicle drive device including a differential mechanism capable of operating a differential action and an electric motor.
- a vehicle drive device includes a differential mechanism that distributes engine output to a first motor and an output shaft, and a first motor that is provided between the output shaft of the differential mechanism and a drive wheel. ing.
- Japanese Patent Laid-Open No. 2 0 0 3 _ 1 2 7 6 7 9 Japanese Patent Laid-Open No. 9 1 7 0 5 3 3
- Japanese Patent Laid-Open No. 2 0 0 0-3 1 6 2 0 5 Japanese Patent Laid-Open No. 2
- This is the hybrid vehicle drive device described in Japanese Patent No. 0 0 3 — 1 6 1 1 8 1.
- the differential mechanism is composed of, for example, a planetary gear device, and the main part of the power from the engine is mechanically transmitted to the drive wheels by the differential action, and the power from the engine is transmitted.
- It is made to function as a transmission in which the gear ratio is electrically changed by electrical transmission using a motor, for example, an electric continuously variable transmission, and to drive the vehicle while maintaining the engine in an optimum operating state.
- the fuel consumption is improved by the control by the control device.
- a continuously variable transmission is known as a device that improves the fuel consumption of a vehicle
- a gear transmission such as a stepped automatic transmission is known as a device having good transmission efficiency.
- the first motor functions as a star evening by energizing the first motor to increase its rotational speed.
- the engine is rotationally driven (cranking), and the engine is started by performing ignition, fuel injection, or the like at an engine rotational speed that is higher than a predetermined engine rotational speed, for example, at an autonomous rotational speed.
- vibrations and noises are generated in vehicles.
- the vibration and noise are caused by engine fluctuations (vibration source, vibration forcing force) due to rotational fluctuations caused by engine torque fluctuations caused by periodic cylinder ignition (explosion) and piston reciprocation.
- the vibration transmitted to the vehicle's vibration system such as the engine suspension system, exhaust pipe system, and vehicle system composed of a power plant and an engine mount combined with a transaxle) is caused by the resonance phenomenon of the vehicle's vibration system. This is a phenomenon in which vibrations and booming noise occur in each part of the vehicle when amplified.
- the resonance region is a predetermined engine rotational speed region in which the engine rotational speed is lower than the idle rotational speed.
- the engine rotational speed is bowed up to enter the predetermined engine rotational speed region. The above resonance phenomenon may occur.
- a vehicular drive apparatus that can solve the above-described problems of the hybrid vehicular drive apparatus be similarly suppressed from vibration and noise generated in the vehicle when the engine is started.
- the resonance phenomenon described above occurs when the engine speed is reduced to zero, that is, when entering the predetermined engine speed range in the process of lowering the bow I toward the engine rotation stop when the engine is stopped. Since there is a possibility, in the vehicle drive device that can solve the problems of the hybrid vehicle drive device described above, it is desired that vibration and noise generated in the vehicle when the engine is stopped are suppressed.
- the present invention has been made against the background of the above circumstances.
- the purpose of the present invention is to provide a differential mechanism capable of operating a differential action for distributing the engine output to the first electric motor and the output shaft, and its differential mechanism.
- a vehicle drive device including an electric motor provided in a power transmission path from a differential mechanism to a drive wheel
- the drive device can be reduced in size or fuel consumption can be improved, and the engine can be started or stopped. It is an object of the present invention to provide a control device that sometimes suppresses generation of vibration and / or noise of a vehicle. Disclosure of the invention
- the gist of the invention according to claim 1 is that: (a) the engine, the differential mechanism that distributes the output of the engine to the first motor and the transmission member, and the power transmission path from the transmission member to the drive wheel
- a vehicle rain drive device control device comprising: a first stepper motor provided in the vehicle; and a continuously variable transmission unit operable as an electric continuously variable speed changer; and (b) the differential.
- a differential state switching device that is selectively switched to an engaged state for setting a state; (c) + engine start-time switching control that sets the continuously variable transmission portion to the continuously variable transmission state when the engine is started Means.
- the continuously variable transmission part in the vehicle drive device by the differential state switching device causes the continuously variable transmission state in which the electric continuously variable transmission can be operated and the electric continuously variable transmission does not operate. Since it is selectively switched to a non-stepless speed change state, for example, a stepped speed change state, the fuel efficiency improvement effect of the transmission in which the gear ratio is electrically changed and the high efficiency of the gear type transmission device that mechanically transmits power A driving device having both advantages of transmission efficiency can be obtained. For example, in the regular output range of the engine where the vehicle is running at low and medium speeds and low and medium power, the fuel consumption performance of the vehicle is ensured when the continuously variable transmission is in the continuously variable transmission state.
- the engine output is transmitted to the drive wheels exclusively through a mechanical power transmission path, and it operates as a transmission that can electrically change the gear ratio. This reduces the conversion loss between the power and the electric energy that is generated when the engine is used, thus improving fuel efficiency.
- the region to be operated as a transmission in which the gear ratio is electrically changed is the low and medium speed traveling of the vehicle.
- the maximum value of the electric energy that the electric motor should generate in other words, the maximum value of the electric energy transmitted by the electric motor can be reduced, and the electric motor or a drive device for the vehicle including the electric motor can be further downsized.
- the engine start switching control means is used when the engine is started. Since the continuously variable transmission is in the continuously variable transmission state, unlike the continuously variable transmission state of the continuously variable transmission where the engine rotational speed may be constrained by the vehicle speed, the engine rotational speed exceeds the predetermined engine rotational speed, for example.
- the engine speed can be quickly increased above the engine speed at which the engine can rotate autonomously, and the engine can be quickly passed through a predetermined engine speed range that is less than the engine idle speed that is well known as the resonance area in which resonance occurs. Vehicle vibration and / or noise generation can be suppressed at start-up.
- the invention according to claim 2 further includes an engine start control means for starting the engine by raising the engine speed to a predetermined engine speed or higher using the first electric motor. In this way, when the engine is started, the actual engine rotation speed can be quickly passed through the predetermined engine rotation speed region.
- the engine start-time switching control means is When the vehicle vibration and / or noise becomes a predetermined value or more at the time of starting the engine, the continuously variable transmission state is changed to the continuously variable transmission state. In this way, when the engine is started, the vibration and / or noise of the vehicle can be quickly passed through the predetermined engine rotation speed region where a resonance phenomenon occurs where the vibration and / or noise exceeds a predetermined value. Generation of vibration and / or noise can be suppressed.
- the engine start-time switching control means determines the speed change state of the continuously variable transmission section when the power transmission path from the engine to the drive wheel is in a power transmittable state.
- the continuously variable transmission state is set. In this way, unlike the case where the continuously variable transmission portion is in a continuously variable transmission state and the engine speed is restricted by the vehicle speed when the power transmission path is in a state where the power can be transmitted, the engine speed is limited to the predetermined engine. It is possible to pass through the rotation speed area quickly and to suppress the generation of vehicle vibration and / or noise when starting the engine.
- the engine start-time switching control means sets the continuously variable transmission portion to the continuously variable transmission state until the engine start is completed. is there. In this way, the engine rotation speed can quickly pass through the predetermined engine rotation speed region during engine startup, and the generation of vehicle vibration and / or noise can be suppressed when the engine is started.
- the engine start time switching control means is configured so that the predetermined start time required for starting the engine after the start of the engine is changed according to the speed change state of the continuously variable transmission section. This is a shift state. In this way, during engine start-up, the engine rotation speed can be quickly passed through the predetermined engine rotation speed / degree region, and the generation of vehicle vibration and / or noise can be suppressed during engine start-up.
- the gist of the invention according to claim 7 is that: (a) the engine, the differential mechanism for distributing the engine output to the first motor and the transmission member, and the power from the transmission member to the drive wheels
- a control device for a vehicle drive device including a differential unit having a first electric motor provided in a transmission path, and (b) provided in the differential mechanism, and the differential mechanism works on the differential mechanism. Selectively switch between unconnected state and connected state without differential action.
- a drive device which has both the advantages of improving the fuel efficiency of a transmission whose gear ratio is changed and the high transmission efficiency of a gear transmission that mechanically transmits power. For example, in the engine's regular output range where the vehicle is running at low and medium speeds and low and medium power, if the differential mechanism is disconnected, the fuel efficiency of the vehicle will be ensured.
- the differential mechanism When the differential mechanism is in the connected state, the engine output is transmitted to the drive wheels exclusively through a mechanical power transmission path, and the power generated when operating as a transmission that can be electrically changed in gear ratio. Since conversion loss with the electric energy is suppressed, fuel efficiency is improved.
- the regions that operate as a transmission whose gear ratio is electrically changed are low and medium output running and low and medium output running.
- the maximum value of the electrical energy that should be generated by the motor in other words, the maximum value of the electrical energy transmitted by the motor can be reduced, and the motor or the drive device of the vehicle including the motor can be further downsized.
- the differential mechanism is disconnected by the engine start switching control means when starting the engine. Therefore, the engine rotation speed is higher than a predetermined engine rotation speed, for example, an engine rotation speed capable of autonomous rotation. Can be quickly passed through a predetermined engine rotation speed region less than the engine idle rotation speed, which is well known as a resonance region in which a resonance phenomenon occurs. Occurrence can be suppressed.
- the invention according to claim 8 further includes engine starting control means for starting the engine by using the first electric motor to raise the engine rotational speed to a predetermined engine rotational speed or higher. In this way, when the engine is started, the actual engine rotation speed can be quickly passed through the predetermined engine rotation speed region.
- the engine start switching control means disconnects the differential mechanism when the vibration and / or noise of the vehicle exceeds a predetermined value when the engine is started. It is a state. In this way, when the engine starts, the vibration and / or noise of the vehicle can be quickly passed through the predetermined engine rotation speed region in which a resonance phenomenon occurs that exceeds a predetermined value. Generation of vibration and / or noise can be suppressed.
- the engine start-time switching control means may be configured such that when the power transmission path from the engine to the drive wheel is in a state where power can be transmitted, the differential mechanism is in a disconnected state. It is what. In this way, unlike the case where the differential mechanism is connected when the power transmission path is in a state where power transmission is possible and the engine rotational speed is restricted by the vehicle speed, the engine rotational speed exceeds the predetermined engine rotational speed region. It can be passed quickly and the vibration and / or noise generation of the vehicle can be suppressed when starting the engine.
- the engine start switching control means sets the differential mechanism in a disconnected state until the start of the engine is completed. In this way, the engine rotational speed can quickly pass through the predetermined engine rotational speed region during engine startup, and the generation of vehicle vibration and / or noise can be suppressed when the engine is started.
- the engine start switching control means sets the differential mechanism in a disconnected state during a predetermined start time required for starting the engine after the engine starts. is there. In this way, the engine rotational speed can quickly pass through the predetermined engine rotational speed region during engine startup, and the generation of vehicle vibration and / or noise can be suppressed during engine startup.
- the gist of the invention according to claim 13 is that: (a) the engine, a differential mechanism for distributing the engine output to the first electric motor and the transmission member, and the transmission member to the drive wheel;
- a control device for a vehicle drive device comprising: a first step motor provided in a power transmission path; and a stepless transmission unit operable as an electric stepless transmission, wherein (b) the difference And a continuously variable transmission that can be electrically operated.
- a differential state switch that can be selectively switched between a disengaged state for shifting to a stepless shift state and an engaged state for switching the continuously variable transmission unit to an infinitely variable shift state without performing an electric continuously variable shift operation.
- (C) engine stop-time switching control means for setting the continuously variable transmission portion to the continuously variable transmission state when the engine is stopped.
- the continuously variable transmission section in the vehicle rain drive device is driven by the differential state switching device so that the continuously variable transmission state in which the electric continuously variable transmission can be operated and the electric continuously variable transmission does not operate. Because it is selectively switched to a step shifting state, for example, a stepped shifting state, the fuel efficiency improvement effect of the transmission in which the gear ratio is electrically changed and the high transmission efficiency of the gear transmission that mechanically transmits power Thus, a driving device having both advantages can be obtained. For example, in the normal output range of the engine where the vehicle is running at low and medium speeds and low and medium power, the fuel efficiency of the vehicle is ensured when the continuously variable transmission is in a continuously variable state.
- the engine output is transmitted to the drive wheels exclusively through a mechanical power transmission path, and it operates as a transmission that can electrically change the gear ratio. This reduces the conversion loss between the power and electric energy that is generated when the power is generated, thus improving fuel efficiency.
- the region to be operated as a transmission in which the gear ratio is electrically changed is the low and medium speed traveling of the vehicle.
- the maximum value of the electrical energy that should be generated by the electric motor in other words, that is, the maximum value of the electric energy transmitted by the electric motor can be reduced, and the electric motor or the drive device of the vehicle including the electric motor can be further downsized.
- the engine stop-time switching control means is Since the continuously variable transmission unit is in the continuously variable transmission state, the engine rotation speed may be restricted by the vehicle speed. Unlike the continuously variable transmission state of the continuously variable transmission unit, the engine rotation speed is less than the predetermined engine rotation speed region.
- the vehicle can be quickly passed through a predetermined engine rotation speed region less than the engine idle rotation speed, which is well known as a resonance region in which a resonance phenomenon occurs, and the vehicle is stopped when the engine stops. Vibration and Z or noise generation can be suppressed.
- the invention according to claim 14 further includes an engine stop control means for stopping the engine by lowering the engine speed to a predetermined engine speed or lower using the first electric motor. In this way, when the engine is stopped, the actual engine rotation speed can be quickly passed through the predetermined engine rotation speed region.
- the engine stop switching control means sets the continuously variable transmission state to the continuously variable transmission state when the vehicle vibration and / or noise exceeds a predetermined value when the engine is stopped. Is. In this way, when the engine is stopped, the vehicle can be quickly passed through the predetermined engine rotation speed region in which a resonance phenomenon in which the vibration and / or noise of the vehicle exceeds a predetermined value occurs. Vibration and / or noise generation can be suppressed.
- the engine stop-time switching control means is configured such that when the power transmission path from the engine to the drive wheels is in a state where power transmission is possible, the speed change state of the continuously variable transmission unit is Is set to the continuously variable transmission state.
- the engine rotational speed is The predetermined engine rotation speed range can be quickly passed, and the vibration and / or noise of the vehicle can be suppressed when the engine stops.
- the engine stop-time switching control means sets the speed change state of the continuously variable transmission section to the continuously variable speed change state until the stop of the engine is completed. . In this way, when the engine is stopped, the engine speed can be quickly passed through the predetermined engine speed range, and the generation of vehicle vibration and / or noise can be suppressed when the engine is stopped.
- the engine stop-time switching control means sets the speed change state of the continuously variable speed change portion for the predetermined stop time required for the engine stop when the engine is stopped. This is a step shift state. In this way, when the engine is stopped, the engine rotation speed can be quickly passed through the predetermined engine rotation speed region, and the generation of vehicle vibration and / or noise can be suppressed when the engine stops. .
- the gist of the invention according to claim 18 is that: (a) the engine, a differential mechanism for distributing the engine output to the first electric motor and the transmission member, and the transmission member to the drive wheel;
- a control device for a vehicle drive device comprising: a differential unit having a second electric motor provided in a power transmission path; and (b) provided in the differential mechanism, wherein the differential mechanism is subjected to a differential action.
- a differential state switching device that is selectively switched between a non-connected state in which the engine operates and a differential action thereof, and a connected state; and (c) when the engine is stopped, the differential mechanism is in a non-connected state.
- An engine stop switching control means is that: (a) the engine, a differential mechanism for distributing the engine output to the first electric motor and the transmission member, and the transmission member to the drive wheel;
- a control device for a vehicle drive device comprising: a differential unit having a second electric motor provided in a power transmission path; and (b) provided in the differential mechanism, where
- the differential mechanism is selectively switched between the unconnected state in which the differential action is applied by the differential state switching device and the connected state without the differential action.
- a drive device is obtained which has both the advantages of improving the fuel efficiency of a transmission whose gear ratio is changed and the high transmission efficiency of a gear transmission that mechanically transmits power. For example, if the differential mechanism is disconnected in the normal output range of the engine where the vehicle runs at low to medium speed and low to medium power, the fuel efficiency of the vehicle is ensured, but Occurs when the differential mechanism is in the connected state during driving, and the output of the engine is transmitted to the drive wheels exclusively through a mechanical power transmission path, causing it to operate as a transmission that can electrically change the gear ratio.
- the fuel efficiency is increased.
- the region to be operated as a transmission in which the gear ratio is electrically changed is low and medium output running of the vehicle.
- the maximum value of electrical energy that should be generated by the motor in other words, the maximum value of electrical energy transmitted by the motor can be reduced, and the motor or the drive device of the vehicle including the motor can be further downsized.
- the above drive device including a differential mechanism configured to be switchable between the disconnected state and the connected state, when the engine is stopped, the differential mechanism is disconnected by the engine stop switching control means.
- the engine rotation speed can be quickly reduced below the predetermined engine rotation speed, for example, a resonance phenomenon occurs.
- the engine can be quickly passed through a predetermined engine speed range that is less than the engine idle speed, well known as the resonance area, and the vehicle vibration and / or Or generation
- the invention according to claim 19 further includes an engine stop control means for stopping the engine by lowering the engine speed to a predetermined engine speed or lower using the first electric motor. In this way, when the engine is stopped, the actual engine rotation speed can be quickly passed through the predetermined engine rotation speed region.
- the engine stop-time switching control means sets the differential mechanism in a non-connected state when vehicle vibration and / or noise exceeds a predetermined value when the engine is stopped. In this way, when the engine is stopped, the vehicle can be quickly passed through the predetermined engine rotation speed region in which a resonance phenomenon occurs in which the vibration and / or noise of the vehicle exceeds a predetermined value. The occurrence of vibrations and / or can be suppressed.
- the engine stop-time switching control means is configured such that when the power transmission path from the engine to the drive wheel is in a state where power transmission is possible, the differential mechanism is in a non-connected state. It is what. In this way, unlike the case where the differential mechanism is connected when the power transmission path is in a power transmission enabled state and the engine rotation speed is restricted by the vehicle speed, the engine rotation speed is within the predetermined engine rotation speed region. It can be passed quickly, and the generation of vehicle vibration and / or noise can be suppressed when the engine is stopped.
- the engine stop-time switching control means disconnects the differential mechanism until the stop of the engine is completed. In this way, when the engine is stopped, the engine rotation speed can be quickly passed through the predetermined engine rotation speed region, and the generation of vibration and / or noise of the vehicle can be suppressed when the engine is stopped.
- the engine stop-time switching control means sets the differential mechanism in a disconnected state during a predetermined stop time required for the engine stop when the engine is stopped. It is. In this way, the engine rotation speed can quickly pass through the predetermined engine rotation speed region while the engine is stopped, and the generation of vibration and / or noise of the vehicle can be suppressed when the engine is stopped.
- the continuously variable transmission unit is set to a continuously variable transmission state by the differential state switching device being brought into a non-connected state in which a differential action is performed, that is, a differential state.
- the continuous yarn shifting state where the differential action is not performed, that is, the locked state is set to a continuously variable transmission state such as a stepped transmission state. In this way, the continuously variable transmission section is switched between the continuously variable transmission state and the continuously variable transmission state.
- the differential mechanism has a first element connected to the engine, a second element connected to the first electric motor, and a third element connected to the transmission member.
- the differential state switching device allows the first to third elements to rotate relative to each other in order to achieve the non-continuous yarn state, that is, the differential state, and the connected state, that is, the locked state. In order to achieve this, either the first element to the third element are rotated together or the second element is brought into a non-rotating state. In this way, the differential mechanism can be switched between the differential state and the locked state.
- the differential state switching device includes a clutch that connects at least two of the first to third elements with each other in order to rotate the first to third elements together.
- the differential mechanism can be easily switched between the differential state and the locked state.
- the differential mechanism is configured to be in a differential state in which the first to third rotating elements can be rotated relative to each other by releasing the clutch and the brake, so that an electrical differential device is provided.
- the transmission is a transmission with a change gear ratio of 1 due to the engagement of the clutch, or the speed change transmission with a transmission gear ratio of less than 1 due to the engagement of the brake.
- the differential mechanism can be configured to be switched between the differential state and the locked state, and can also be configured as a transmission having a single gear ratio or a plurality of constant gear ratios.
- the differential mechanism motion is a planetary gear device
- the first element is a carrier of the planetary gear device
- the second element is a sun gear of the planetary gear device
- the third element Is the ring gear of the planetary gear unit. If you do this The axial dimension of the differential mechanism is reduced. Further, the differential mechanism can be easily configured by one planetary gear unit.
- the planetary gear device is a single-pinion type planetary gear device.
- the differential mechanism is easily configured by a single pinion type planetary gear unit.
- the switching control means includes an electric system control device such as an electric motor for operating the vehicle state as a transmission whose gear ratio is electrically changed by setting the differential mechanism to the differential state.
- an electric system control device such as an electric motor for operating the vehicle state as a transmission whose gear ratio is electrically changed by setting the differential mechanism to the differential state.
- the differential mechanism is switched to the hooked state. In this way, even if the differential mechanism is normally in the differential state, it is preferentially locked so that it is almost the same as running in the differential state although it is in the locked state. Vehicle travel is ensured.
- the vehicle drive device further includes a speed change portion that constitutes a part of the power transmission path, and based on the speed change ratio of the speed change portion and the speed change ratio of the continuously variable speed change portion.
- a ratio is to be formed. In this way, a wide range of driving force can be obtained by using the gear ratio of the transmission unit, so that the efficiency of control as an electric continuously variable transmission control in the continuously variable transmission unit is further enhanced. .
- the vehicle further includes a speed change portion that constitutes a part of the power transmission path, and the overall speed change ratio of the vehicle drive device is based on the speed change ratio of the speed change portion and the speed change ratio of the differential portion. Is formed. In this way, a wide range of driving force can be obtained by utilizing the gear ratio of the transmission unit.
- the transmission unit is a stepped automatic transmission.
- the continuously variable transmission and the transmission unit constitute a continuously variable transmission in the continuously variable transmission state of the continuously variable transmission unit, and the continuously variable transmission unit and the transmission in the continuously variable transmission state of the continuously variable transmission unit.
- the stepped transmission is composed of the parts.
- the transmission unit is a stepped automatic transmission.
- the continuously variable transmission is configured by the differential mechanism and the transmission unit in the differential state of the differential mechanism
- the stepped transmission is configured by the differential mechanism and the transmission unit in the locked state of the differential mechanism.
- FIG. 1 is a skeleton diagram illustrating the configuration of a drive device for a hybrid vehicle according to an embodiment of the present invention.
- FIG. 2 illustrates the relationship between the speed change operation and the operation of the hydraulic friction engagement device used in the case where the drive device of the hybrid vehicle of FIG. 1 is operated continuously or stepwise. It is an operation chart to perform.
- FIG. 3 is a collinear diagram illustrating the relative rotational speeds of the respective gear stages when the hybrid vehicle drive device of the embodiment of FIG.
- FIG. 4 is a diagram for explaining input / output signals of the electronic control unit provided in the driving apparatus of the embodiment of FIG.
- FIG. 5 is an example of a switching device operated to select a plurality of types of shift positions equipped with a shift lever.
- FIG. 6 is a functional block diagram for explaining the main part of the control operation of the electronic control unit of FIG.
- FIG. 7 shows an example of a pre-stored shift diagram that is based on the same two-dimensional coordinates using the vehicle speed and the output torque as parameters, and that is used as a basis for determining the shift of the automatic transmission unit, and switching of the shift state of the transmission mechanism.
- An example of a pre-stored driving power source having an example of a pre-stored switching diagram as a basis for judgment and a boundary line between the engine driving region and the motor driving region for switching between engine driving and motor driving. It is a figure which shows an example of a switching diagram, Comprising: It is also a figure which shows each relationship.
- Fig. 8 is a collinear diagram corresponding to Fig. 3 illustrating the vibration generation region where the vibration noise of the vehicle exceeds a predetermined value and the operation of passing the vibration generation region using the first motor when the engine starts. This is an example.
- FIG. 9 is a diagram illustrating a pre-stored relationship having a boundary line between a stepless control region and a stepped control region, and a boundary between the stepless control region and the stepped control region indicated by a broken line in FIG. It is also a conceptual diagram for mapping.
- FIG. 10 is an example of a change in engine rotation speed accompanying an upshift in a stepped transmission.
- FIG. 11 is a flowchart for explaining the control operation of the electronic control device of FIG. 6, that is, the control operation for preventing the generation of vehicle vibration noise exceeding a predetermined value when the engine is started.
- Fig. 1 2 is a time chart for explaining the control operation shown in the flowchart of Fig. 1 1.
- the accelerator pedal is depressed greatly during motor running, engine start for switching to engine running and This is an example when it is determined that the differential section is switched from a continuously variable transmission state to a stepped variable transmission state.
- FIG. 13 is a functional block diagram for explaining the main part of the control operation of the electronic control device of FIG. 4, corresponding to FIG.
- Fig. 14 is a nomogram corresponding to Fig. 3 for explaining the vibration generation area where the vibration noise of the vehicle exceeds a predetermined value and the operation of passing the vibration generation area using the first motor when the engine is stopped. This is an example.
- FIG. 15 is a flow chart for explaining the control operation of the electronic control device of FIG. 13, that is, the control operation for preventing the vibration noise of the vehicle exceeding a predetermined value when the engine is stopped.
- FIG. 16 is a time chart for explaining the control operation shown in the flowchart of FIG. 15.
- the accelerator pedal is returned while the engine is running in the stepped speed change state of the differential portion, the fuel force is increased. This is an example when it is determined that the engine stops for
- FIG. 17 is a skeleton diagram illustrating the configuration of a hybrid vehicle drive device according to another embodiment of the present invention, and corresponds to FIG. ,
- FIG. 18 shows the relationship between the speed change operation and the hydraulic friction engagement device used when the drive device of the hybrid vehicle of the embodiment of Fig. 17 is operated continuously or with variable speed.
- FIG. 3 is an operation chart to be described, and corresponds to FIG. 2; '
- FIG. 19 is a collinear diagram for explaining the relative rotational speeds of the respective gear stages when the hybrid vehicle drive device of the embodiment of FIG. It is.
- FIG. 20 is an example of a shift state manual selection device which is a seesaw type switch as a switching device and is operated by a user to select a shift state. Explanation of symbols
- Switching control means switching control means at engine start, switching control means at engine stop
- Engine start / stop control means engine start control means, engine stop control means
- FIG. 1 is a skeleton diagram illustrating a speed change mechanism 10 constituting a part of a drive device for a hybrid vehicle to which a control device according to an embodiment of the present invention is applied.
- the speed change mechanism 10 is an input disposed on a common shaft center in a transmission case 1 2 (hereinafter referred to as case 1 2) as a non-rotating member attached to the vehicle body.
- case 1 2 a transmission case 1 2
- a speed change part that functions as a stepped transmission connected in series via a transmission member (transmission shaft) 18 in the power transmission path between the differential part 11 and the drive wheels 3 8
- the automatic transmission unit 20 and an output shaft 22 as an output rotating member connected to the automatic transmission unit 20 are provided in series.
- This speed change mechanism 10 is suitably used for, for example, an FR (front engine / rear drive) type vehicle installed vertically in a vehicle, and directly on the input shaft 14 or via a pulsation absorbing damper (not shown).
- an engine 8 that is an internal combustion engine such as a gasoline engine or a diesel engine and a pair of driving wheels 3 8 are provided.
- the differential gear device final reduction gear that forms part of the power transmission path with the power from 8 as the other part of the drive unit 3 6 and the left and right drive wheels 3 8 through the pair of axles in sequence To communicate.
- the engine 8 and the differential unit 11 are directly connected.
- This direct connection means that the connection is made without using a fluid transmission such as a torque converter or a fluid coupling.
- the connection via the pulsation absorbing damper is included in this direct connection. Since the speed change mechanism 10 is configured symmetrically with respect to its axis, the lower side is omitted in the skeleton diagram of FIG. The same applies to each of the following embodiments.
- the differential unit 1 1 is a mechanical mechanism that mechanically distributes the output of the engine 8 input to the first motor M l and the input shaft 14 and outputs the output of the engine 8 to the first motor M 1 and the first motor M 1.
- a power distribution mechanism 16 as a differential mechanism that distributes to the transmission member 18, and a second electric motor M 2 provided so as to rotate integrally with the transmission member 18.
- the second electric motor M 2 may be provided in any part constituting the power transmission path between the transmission member 18 and the drive wheels 38.
- the first motor M 1 and the second motor M 2 of this embodiment are so-called motor generators that also have a power generation function, but the first motor M l has at least a generator (power generation) function for generating a reaction force.
- the first motor M 1 is a motor (electric motor) that outputs driving force as a driving force source for traveling. Machine) at least a function.
- the power distribution mechanism 16 includes, for example, a single pinion type first planetary gear device 24 having a predetermined gear ratio p 1 of about “0.4 18”, a switching clutch C 0 as an engaging device, and a switching device.
- Brake B 0 is mainly provided.
- the first planetary gear unit 24 has a first sun gear S 1, a first planetary gear P 1, a first carrier CA that supports the first planetary gear P 1 so that it can rotate and revolve, and a first planetary gear P
- a first ring gear R 1 that meshes with the first sun gear S 1 via 1 is provided as a rotating element (element).
- the gear ratio / 0 1 is ZS 1 / ZR 1.
- the first carrier CA 1 is connected to the input shaft 14, that is, the engine 8
- the first sun gear S 1 is connected to the first electric motor M 1
- the first ring gear R 1 is It is connected to the transmission member 1 8.
- the switching brake B 0 is provided between the first sun gear S 1 and the case 11, and the switching clutch C 0 is provided between the first sun gear S 1 and the first carrier CA 1.
- the dynamic force distribution mechanism 16 is a first sun gear S 1, a first sun gear S 1, which is the three elements of the first planetary gear unit 24.
- 1 Carry CA 1, No. 1 Ring gear R 1 can be rotated relative to each other, so that the differential operation can be activated, that is, the differential action is activated.
- the electric motor M 1 and the transmission member 1 8 are distributed, and a part of the output of the distributed engine 8 is stored by the electric energy generated from the first electric motor M 1 or the second electric motor M 2 is Since it is rotationally driven, the differential unit 1 1 (power distribution mechanism 1 6) is caused to function as an electrical differential device.
- the differential unit 1 1 is in a so-called stepless variable state (electric CVT state). Therefore, the rotation of the transmission member 1 8 is linked regardless of the predetermined rotation of the engine 8. To be varied. That is, when the power distribution mechanism 16 is set to the differential state, the differential unit 1 1 is also set to the differential state, and the differential unit 1 ⁇ has its transmission gear ratio 0 (the rotational speed Z of the input shaft 14 Z transmission member).
- the rotation speed of 1 8) is a continuously variable transmission state that functions as an electrical continuously variable transmission that is continuously changed from the minimum value O min to the maximum value 0 max.
- Non-differential state Specifically, when the switching clutch C 0 is engaged and the first sun gear S 1 and the first carrier CA 1 are integrally connected, the power distribution mechanism 16 is connected to the first planetary gear device 2 4.
- the differential unit 1 1 (power distribution mechanism 1 6) has a speed change ratio 0 with the transmission ratio 0 fixed to “1”.
- a continuously variable transmission state that functions as a machine for example, a constant transmission state, that is, a stepped transmission state.
- the switching brake B 0 is engaged instead of the switching clutch C 0 and the first sun gear S 1 is connected to the case 12
- the power distribution mechanism 16 is connected to the first sun gear S 1. Since the non-rotating state is set to the connected state, that is, the locked state and the non-differential state in which the differential operation is impossible, the differential unit 11 is also set to the non-differential state.
- the power distribution mechanism 16 functions as a speed increase mechanism, and the differential section 1 1 (power distribution mechanism 16) Is a non-stepless speed change state, for example, a constant speed change state, that is, a stepped speed change state, which functions as an speed increase transmission in which the gear ratio 0 is fixed to a value smaller than “1”, for example, about 0.7.
- a non-stepless speed change state for example, a constant speed change state, that is, a stepped speed change state, which functions as an speed increase transmission in which the gear ratio 0 is fixed to a value smaller than “1”, for example, about 0.7.
- the switching clutch C 0 and the switching brake B 0 change the shifting state of the differential portion 11 (power distribution mechanism 16) to the differential state, that is, the non-locked state (non-coupled state).
- the non-differential state that is, in a locked state (connected state)
- the differential part 1 1 ′ power distribution mechanism 1 6
- the gear ratio continuously changes.
- Electric continuously variable transmission operation that operates as a continuously variable transmission
- Possible continuously variable transmission state and continuously variable transmission state that does not operate an electrical continuously variable transmission for example, continuously variable transmission operation without operating as a continuously variable transmission Is in a locked state where the gear ratio change is locked at a fixed state, that is, one or more gear ratios with one or more gear ratios.
- an electric continuously variable transmission that does not operate that is, an electrical continuously variable speed operation is not possible (non-differential state), in other words, as a one-stage or multiple-stage transmission with a constant gear ratio.
- It functions as a differential state switching device that selectively switches to an operating constant shift state.
- the disconnected state includes not only the state where the switching clutch C 0 and the switching brake B 0 are completely released, but also the case where the switching clutch C 0 or the switching brake B 0 is in a half-engaged (slip) state. good.
- the automatic transmission unit 20 includes a single pinion type second planetary gear unit 26, a single pinion type third planetary gear unit 28, and a single pinion type fourth planetary gear unit 30.
- the second planetary gear set 26 includes a second sun gear S2, a second planetary gear P2, a second carrier C A2 that supports the second planetary gear P2 so as to be capable of rotating and revolving, and a second ⁇ gM gear P. 2 is provided with a second ring gear R 2 that meshes with the second sun gear S 2, and has a predetermined gear ratio 2 of, for example, “0.5 6 2”.
- the third planetary gear unit 28 is connected via a third sun gear S3, a third planetary gear P3, a third carrier CA3, and a third planetary gear P3 that support the third planetary gear P3 so as to rotate and revolve.
- the third ring gear R 3 meshes with the third sun gear S 3, and has a predetermined gear ratio p 3 of about “0.4 4 5”, for example.
- the 4i gear device 30 is connected via a fourth sun gear S.4, a fourth planetary gear P4, a fourth carrier CA4 that supports the fourth planetary gear P4 so as to be capable of rotating and revolving, and a fourth planetary gear P4.
- a fourth ring gear R 4 that meshes with the fourth sun gear S 4 is provided, and has a predetermined gear ratio ⁇ 4 of about “0.4 2 1”, for example.
- the number of teeth of the second sun gear S2 is ZS2
- the number of teeth of the second ring gear R2 is ZR2
- the number of teeth of the third sun gear S3 is Z, S3, the number of teeth of the third ring gear R3 is ZR3,
- the gear ratio p2 is ZS2 / ZR2
- the gear ratio p3 is ZS3 / ZR3
- the gear ratio 4 is ZS 4 / ZR4.
- the second sun gear S 2 and the third sun gear S 3 are integrally connected and selectively connected to the transmission member 18 via the second clutch C 2 and the first brake B 1 is selectively connected to case 1 1 and the second carrier CA 2 is selectively connected to case 1 2 via the second brake B 2 and the fourth ring gear R 4 Is selectively connected to the case 12 via the third brake B 3 and the second ring gear R 2, the third carrier CA 3 and the fourth carrier CA 4 are integrally connected to the output shaft 22.
- the third ring gear R 3 and the fourth sun gear S 4 are integrally connected and selectively connected to the transmission member 18 via the first clutch C 1.
- the automatic transmission unit 20 and the transmission member 18 are selectively coupled via the first clutch C 1 or the second clutch C used to establish the gear position of the automatic transmission unit 20.
- the first clutch C 1 and the second clutch C 2 are arranged between the transmission member 18 and the automatic transmission unit 20, that is, between the differential unit 11 (transmission member 18) and the drive wheel 38.
- Functioning as an engagement device that selectively switches the power transmission path between a power transmission enabling state that enables power transmission of the power transmission path and a power transmission cutoff state that interrupts the power transmission of the power transmission path. Yes.
- the power transmission path is brought into a power transmission enabled state, or the first clutch C 1 and the second clutch C 2 are released. As a result, the power transmission path is brought into a power transmission cut-off state.
- the switching clutch C 0, the first clutch C 1, the second clutch C 2, the switching brake B 0, the first brake B 1, the second brake B 2 and the third brake B 3 are conventional stepped automatics for vehicles. It is a hydraulic friction engagement device often used in transmissions. It is a wet type multi-plate type in which a plurality of friction plates stacked on each other are pressed by a hydraulic actuator, or an outer peripheral surface of a rotating drum. One end of one or two wound bands is composed of a band brake or the like that is tightened by a hydraulic actuate and is used to selectively connect the members on both sides of the band brake.
- the power distribution mechanism 16 is provided with a switching clutch C 0 and a switching brake B 0, and either of the switching clutch C 0 and the switching brake B 0 is engaged and operated.
- the moving part 11 can constitute a constant transmission state that operates as a transmission having a constant gear ratio. Therefore, in the speed change mechanism 10, the stepped transmission is made up of the differential portion 11 and the automatic speed change portion 20 that are brought into a constant speed change state by engaging and operating either the switching clutch C 0 or the switching brake B 0.
- the stepped variable speed state is configured, and the differential part 11 and the automatic speed changer 20 are set to the continuously variable speed state by engaging neither the switching clutch C0 nor the switching brake B0.
- the speed change mechanism 10 is switched to the stepped variable state by engaging any one of the switching clutch C 0 and the switching brake B 0, and the switching clutch C 0 and the switching brake B 0.
- the differential unit 11 is also a transmission that can be switched between a stepped transmission state and a continuously variable transmission state.
- the gear ratio ratio 1 is increased by the engagement of the switching clutch C 0, the first clutch C 1 and the third brake B 3. Is set to a maximum value, for example, about “3.35 7”, and the gear ratio ratio is increased by engaging the switching clutch C 0, the first clutch C 1, and the second brake B 2.
- the second gear is smaller than the first gear, for example, about “2.180”
- the second gear is established, and the switching clutch C 0, the first clutch, the latch C 1 and the first brake B 1
- the third speed gear stage in which the transmission gear ratio 3 is smaller than the second speed gear stage, for example, about “1.4 2 4 J” is established, and the switching clutch C 0 and the first clutch C 1
- the engagement of the second clutch C 2 causes the transmission gear ratio 4 to be smaller than the third speed gear stage, for example, about “1.0 0 0”.
- the first gear C 1, the second clutch C 2, and the switching brake B 0 are engaged, and the gear ratio 5 is smaller than the fourth gear, for example, “0 ⁇ 7 0 5”.
- the fifth gear is established.
- the second clutch C 2 and the third brake B 3 The reverse gear stage in which the gear ratio R is a value between the first speed gear stage and the second speed gear stage, for example, about “3.210” is established by the engagement.
- the neutral “N” state is set, for example, only the switching clutch C 0 is engaged.
- FIG. 3 shows a transmission mechanism 10 composed of a differential unit 11 that functions as a continuously variable transmission unit or a first transmission unit and an automatic transmission unit 20 that functions as a stepped transmission unit or a second transmission unit.
- FIG. 6 is a collinear diagram that can represent on a straight line the relative relationship between the rotational speeds of the rotating elements that are connected in different gear stages.
- the collinear diagram of Fig. 3 consists of a horizontal axis indicating the gear ratio / 0 relationship of each planetary gear unit 24, 26, 28, 30 and a vertical axis indicating the relative rotational speed.
- the lower horizontal line X 1 of the three horizontal lines indicates the rotational speed zero, and the upper horizontal line X 2 indicates the rotational speed “1.0”, that is, the engine connected to the input shaft 14.
- horizontal line XG indicates the rotational speed of the power transmitting member 1 8.
- the three vertical lines Y1, Y2, Y3 corresponding to the three elements of the power distribution mechanism 16 constituting the differential unit 1 1 are the first rotation element (second element) RE from the left side.
- the relative rotation speed of the first planetary gear unit 24 is determined according to the gear ratio p 1 of the first planetary gear unit 24.
- the five vertical lines Y4, Y5, ⁇ 6, ⁇ ⁇ , ⁇ 8 of the automatic transmission unit 20 correspond to the fourth rotation element (fourth element) RE 4 in order from the left, and
- the second sun gear S 2 and the third sun gear S 3 that are connected to each other are connected to the second carrier CA 2 corresponding to the fifth rotating element (fifth element) RE 5, and the sixth rotating element (sixth element) RE.
- the fourth ring gear R 4 corresponding to 6 is connected to the seventh ring element R 2, the third carrier CA 3 and the fourth carrier CA 4 corresponding to the seventh rotating element (seventh element) RE 7 and connected to each other.
- 8th rotating element Represents a third ring gear R 3 and a fourth sun gear S 4 corresponding to RE 8 and connected to each other, and their intervals are the second, third and fourth planetary gears, respectively.
- the gear ratios p 2, p 3 and p 4 of the devices 2 6, 28 and 30 are respectively determined. In the relationship between the vertical axes of the nomographic chart, if the distance between the sun gear and the carrier is the distance corresponding to “1”, the distance between the carrier and the ring gear is the distance corresponding to the gear ratio P of the planetary gear unit.
- the interval between the vertical lines Y 1 and Y 2 is set to the interval corresponding to “1”, and the interval between the vertical lines Y 2 and Y 3 corresponds to the gear ratio;
- 0 1 Set to the interval to be
- an interval corresponding to “1” is set between the sun gear and the carrier every second, third, and fourth planetary gear devices 26, 28, and 30.
- the ring gear are set to an interval corresponding to p.
- the speed change mechanism 10 of the present embodiment is the same as the first rotating element of the first planetary gear unit 24 in the power distribution mechanism 16 (differential portion 11).
- RE 1 first carrier CA 1
- RE 2 second rotating element
- the element RE 2 is connected to the first motor M 1 and selectively connected to the case 12 via the switching brake B 0, and the third rotating element (first ring gear R 1) RE 3 is transmitted.
- It is connected to the member 18 and the I-th motor M2, and is configured to transmit (input) the rotation of the input shaft 14 to the automatic transmission unit (stepped transmission unit) 0 via the transmission member 18 Yes.
- the relationship between the rotational speed of the first sun gear S 1 and the rotational speed of the first ring gear R 1 is shown by an oblique straight line L 0 passing through the intersection of Y 2 and X 2.
- the rotational speed of the first motor M l is controlled.
- the rotational speed of the first sun gear S 1 indicated by the intersection of the straight line L 0 and the vertical line Y 1 is raised or lowered, the rotational speed of the first ring gear R 1 restrained by the vehicle speed V is substantially constant.
- the rotational speed of the first carrier CA 1 indicated by the intersection of the straight line L 0 and the vertical line Y 2 is increased or decreased.
- the power distribution mechanism 16 When the first sun gear S 1 and the first carrier CA 1 are connected by the engagement of the switching clutch CO, the power distribution mechanism 16 is in a non-differential state in which the three rotating elements rotate together. , linear and 0 is aligned with the horizontal line X 2, the transmission member 1 8 is allowed rotated at the same rotation to the engine speed N E.
- the power distribution mechanism 16 when the rotation of the first sun gear S 1 is stopped by the engagement of the switching brake B 0, the power distribution mechanism 16 is brought into a non-differential state that functions as a speed increasing mechanism.
- the rotation speed of the first ring gear R 1, that is, the transmission member 18, indicated by the intersection of the straight line L 0 and the vertical line Y 3, is automatically changed by rotation that is higher than the engine rotation speed N E. Part 2 is input to 0.
- the fourth rotating element RE 4 is selectively connected to the transmission member 18 via the second clutch C 2 and selectively to the case 12 via the first brake B 1.
- the fifth rotating element RE 5 is selectively connected to the case 12 via the second brake B 2 and the sixth rotating element RE 6 is connected to the case 12 via the third brake B 3
- the seventh rotating element RE 7 is selectively connected to the output shaft 22, and the eighth rotating element RE 8 is selectively connected to the transmission member 18 via the first clutch C 1.
- the vertical line Y 8 indicating the rotational speed of the eighth rotating element RE 8
- the seventh rotation connected to the output shaft 2 2 and the diagonal line L 1 passing through the intersection of the horizontal line X 2 and the vertical line Y 6 indicating the rotation speed of the sixth rotation element RE 6 and the intersection of the horizontal line X 1 and the output shaft 2 2
- the rotational speed of the output shaft 22 of the first speed is shown at the intersection with the vertical line Y7 indicating the rotational speed of the element RE7.
- the rotation speed of the output shaft 22 of the 2nd speed is shown at the intersection with Y 7, and the diagonal straight line determined by the engagement of the 1st clutch C 1 and the 1st brake B 1
- the rotation speed of the third output shaft I 2 is indicated by the intersection of the vertical line Y 7 indicating the rotation speed of the seventh rotation element RE 7 connected to L 3 and the output shaft 2 2, and the first clutch C 1 At the intersection of the horizontal straight line L 4 determined by the engagement of the second clutch C 2 and the vertical line Y 7 indicating the rotational speed of the seventh rotating element RE 7 connected to the output shaft 2 2.
- the rotation speed of the output shaft 22 of the 4th speed is shown.
- the engine rotational speed N E and at the same rotational speed eighth rotary element RE 8 to the differential unit 1 1 or power distributing mechanism 1 Power from 6 is input.
- the switching brake B 0 is engaged instead of the switching clutch C 0
- the power from the differential section 1 1 is input at a higher rotational speed than the engine rotational speed N E, so that the first clutch C 1, vertical line Y indicating the rotation speed of the seventh rotating element RE 7 connected to the output shaft 22 and the horizontal straight line L 5 determined by engaging the second clutch C 2 and the switching brake B 0
- the rotation speed of the fifth output shaft 22 at the intersection with 7 is shown.
- FIG. 4 illustrates a signal input to the electronic control device 40 for controlling the speed change mechanism 10 of the present embodiment and a signal output from the electronic control device 40.
- This electronic control unit 40 is configured to include a so-called microcomputer comprising a CPU, a ROM M. RAM, an input / output interface, etc. Performs drive control such as hybrid drive control for engine 8, first and second motors Ml and M2, and shift control for automatic transmission unit 20 by performing signal processing according to the stored program It is.
- the electronic control device 40 receives a signal indicating the engine water temperature TEMP W and a shift position PSH which is the operation position of the shift lever 92 (see FIG. 5) from each sensor and switch as shown in FIG.
- a signal that represents the engine speed N E which is the rotational speed of the engine 8
- a signal that represents the gear ratio train set value a signal that commands the M mode (manually-controlled travel mode)
- a signal that represents the operation of the air conditioner and output
- a signal representing the hydraulic oil temperature of the automatic transmission 20 a signal representing the side brake operation, a signal representing the foot brake operation, a signal representing the catalyst temperature, Accelerator opening Acc, which is the amount of accelerator pedal operation corresponding to the driver's required output
- a signal indicating the presence or absence of operation a continuously variable switch for switching the differential unit 1 1 (power distribution mechanism 1 6) to the continuously variable transmission state (differential state) in order to make the transmission mechanism 10 function as a continuously variable transmission.
- Signal indicating presence / absence of operation signal indicating rotation speed N M 1 of first motor M 1 (hereinafter referred to as first motor rotation speed NMI), rotation speed N M 2 of second motor M 2 (hereinafter referred to as second motor) signal representative of) that the rotational speed N M 2, indicative of the air-fuel ratio AZ F of the engine 8 No., such as a signal indicative of a charged capacity (charged state) SOC of power storage device 6 0 (see FIG. 6) is supplied.
- the electronic control device 40 controls the control signal to the engine output control device 43 (see FIG. 6) for controlling the engine output, for example, the electronic throttle valve 96 provided in the intake pipe 95 of the engine 8.
- a throttle signal that controls the opening 0 TH 9 A drive signal to 7 7 and a fuel injection signal 9 7
- a fuel supply signal that controls the amount of fuel supplied to each cylinder of the engine 8 by the fuel injection device 9 8 and an ignition device 9 9
- FIG. 5 is a diagram showing an example of a switching device 90 for switching a plurality of types of shift positions PSH by an artificial operation.
- the switching device 9 for example, is disposed beside the driver's seat and includes a shift lever one 9 2 which is operated for selecting a plurality of shift positions P SH.
- the shift lever 92 is a transmission mechanism 10 in which neither of the first clutch C 1 and the second clutch C 2 is engaged.
- the manual valve in the hydraulic control circuit 42 connected mechanically to the shift lever 9 is switched in conjunction with the manual operation of the shift lever 92 to each shift position, and the engagement operation of FIG.
- the hydraulic control circuit 42 is mechanically switched so that the reverse gear stage “R”, neutral “N”, forward gear stage “D”, etc. shown in the table are established.
- the 1st to 5th shift stages shown in the engagement operation table of FIG. 2 in the “D” or “M” position are established by electrically switching the solenoid valve in the hydraulic control circuit 42. .
- the “P” position and the “N” position are non-traveling positions that are selected when the vehicle is not traveling, for example, the engagement operation of FIG.
- the first clutch that disables driving of the vehicle in which the power transmission path in the automatic transmission 20 is released so that both the first clutch C 1 and the second clutch C 2 are released.
- This is the drive position for selecting the switching of the power transmission cutoff state of the power transmission path by C 1 and the second clutch C 2.
- the “R” position, “D” position, and “M” position are travel positions that are selected when the vehicle travels. For example, as shown in the engagement operation table of FIG.
- the “M” position is provided adjacent to the width direction of the vehicle at the same position as the “D” position in the longitudinal direction of the vehicle, for example, and the shift lever 92 is operated to the “M” position. Accordingly, any one of “D” range and “L” range is changed according to the operation of the shift lever 92. Specifically, the “M” position is provided with an upshift position “10” and a downshift position “one” in the longitudinal direction of the vehicle, and the shift lever 92 is provided with the upshift position. When “10” or downshift position “1” is operated, either “D” range or “L” range is selected.
- the five shift ranges, “D” range to “L” range, selected in the “M” position are the high speed side in the change range of the total gear ratio T that allows automatic transmission control of the transmission mechanism 10.
- the shift lever 92 is automatically returned from the upshift position “+” and the downshift position “1” to the “M” position by an urging means such as a spring.
- the switching device 90 also has a shift lever.
- a shift position sensor (not shown) for detecting each shift position is provided.
- the electronic control unit displays the signal indicating the shift position PSH of the shift lever 92 and the number of operations at the ⁇ M '' position. 4 Output to 0.
- FIG. 6 is a functional block diagram for explaining the main part of the control function by the electronic control unit 40.
- the stepped shift control means 54 functions as a shift control means for shifting the automatic transmission 20.
- the stepped shift control means 54 is requested by the vehicle speed V and the automatic transmission unit 20 based on the relationship (shift diagram, shift map) indicated by the solid line and the alternate long and short dash line in FIG.
- the vehicle state indicated by the output torque T 0UT it is determined whether or not the shift of the automatic transmission unit 20 should be executed, that is, the shift stage of the automatic transmission unit 20 that is to be shifted is determined.
- the automatic transmission 20 is shifted so that the determined shift speed is obtained.
- the stepped shift control means 5 4 is a hydraulic friction engagement device excluding the switching clutch C 0 and the switching brake B 0 so that the shift stage is achieved according to, for example, the engagement table shown in FIG. A command (shift output command) for engaging and / or releasing is output to the hydraulic control circuit 42.
- the hybrid control means 52 is configured to operate the engine 8 in an efficient operating range in the continuously variable transmission state of the transmission mechanism 10, that is, the differential state of the differential unit 11, while the engine 8 and the second electric motor M
- the transmission ratio a 0 as an electric continuously variable transmission of the differential section 11 is controlled by changing the distribution of the driving force to 2 and the reaction force generated by the power generation of the first motor M 1 to be optimized.
- the vehicle target (request) output is calculated from the accelerator opening Acc and the vehicle speed V as the driver's required output
- the required total target is calculated from the vehicle target output and the required charging value.
- the engine 8 is controlled so that the engine speed N E and the engine torque T E are obtained, and the power generation amount of the first electric motor M 1 is controlled.
- the hybrid control means 52 performs the control in consideration of the gear position of the automatic transmission unit 20 in order to improve power performance and fuel consumption.
- the engine speed NE determined to operate the engine 8 in the operating range efficiently.
- the differential unit 11 is caused to function as an electric continuously variable transmission.
- Haiburitsudo control unit 5 2 the drivability and the fuel consumption when the continuously-variable shifting control in a two-dimensional coordinate composed of the output torque (engine torque) T E of the engine rotational speed N E and the engine 8
- the optimal fuel consumption rate curve (fuel consumption map, relationship) of engine 8 (not shown) that has been experimentally determined in advance so as to achieve both of these is stored in advance so that engine 8 can be operated along the optimal fuel consumption rate curve.
- the speed change mechanism 10 is set so that the engine torque T E and the engine speed N E are generated to generate the engine output necessary to satisfy the target output (total target output, required driving force).
- the target value of the total gear ratio T is determined, and the gear ratio 0 of the differential unit 1 1 is controlled so that the target value can be obtained. Within the range of 0.5 To control.
- the hybrid control means 52 supplies the electric energy generated by the first electric motor M 1 to the power storage device 60 and the second electric motor M 2 through the inverter 58, so that the main power of the engine 8 is Is mechanically transmitted to the transmission member 1 8, but part of the motive power of the engine 8 is consumed for the power generation of the first motor M 1, where it is converted into electric energy. Then, the electric energy is supplied to the second electric motor M 2, and the second electric motor M 2 is driven and transmitted from the second electric motor M 2 to the transmission member 18. From the generation of this electric energy to the consumption by the second electric motor M2, a part of the power of the engine 8 is converted into electric energy and the electric energy is converted into mechanical energy. An electrical path is constructed.
- the hybrid control means 5 2 controls the opening and closing of the electronic throttle valve 96 by the throttle actuator 9 7 for throttle control, and the fuel injection amount and injection timing by the fuel injection device 98 for fuel injection control.
- a command for controlling the ignition timing by the ignition device 99, such as IGNAI is used alone or in combination with the engine. It is functionally equipped with an engine output control means for executing the output control of engine 8 to generate.
- the hybrid control means 52 is basically not shown in advance. Based on the remembered relationship, the throttle actu- ation is driven based on the accelerator opening Acc, and the throttle control is executed so that the throttle valve opening 6 TH increases as the accelerator opening Acc increases.
- the engine output control device 4 3 opens and closes the electronic throttle valve 9 6 by the throttle actuator 9 7 in accordance with the order by the hybrid control means 52, and the fuel injection device 9 8
- the fuel is injected and ignited by an ignition device 99 such as ignai evening.
- the hybrid control means 52 can be driven overnight by the electric CVT function of the differential section 11 regardless of whether the engine 8 is stopped or idling.
- the solid line ⁇ in FIG. 7 indicates that the driving force source for starting / running the vehicle (hereinafter referred to as running) is switched between the engine 8 and the electric motor, for example, the second electric motor M 2, in other words, the engine 8 Is used to switch between so-called engine running that starts / runs the vehicle (hereinafter referred to as running) and so-called motor running that uses the second electric motor M 2 as a driving force source for running. It is the boundary line between the Jinjin driving area and the Moyu driving area.
- the pre-stored relationship with the boundary line (solid line ⁇ ) for switching between the engine running and motor running shown in FIG. 7 is that the vehicle speed V and the output torque T OUT ′, which is a driving force related value.
- a driving force source switching diagram driving force source map
- This driving force source switching diagram is stored in advance in the storage means 56 together with, for example, a shift diagram (shift map) indicated by a solid line and a one-dot chain line in FIG.
- the hybrid control means 5 for example, one from the driving force source switching diagram of Fig. 7 the vehicle condition represented by the vehicle speed V and the required output torque T Omikuron'upushirontau based, the motor drive region and Enjin traveling regions have If it is determined that the vehicle is running, the morning driving or the engine driving is executed. In this way, as shown in FIG. 7, the motor running by the hybrid control means 52 is generally worse than the high torque range when the engine efficiency is relatively low. That time of low engine torque T e, or executed in a relatively low vehicle speed, that is, when the low load region of the vehicle speed V. Therefore, when starting a vehicle, it is usually performed.
- Haiburitsudo control unit 5 2 the motor run ⁇ 1 times, in order to improve fuel efficiency by suppressing the drag of the engine 8 is stopped, owing to the electric CVT function of the differential portion 1 1 (differential action)
- the first motor rotation speed N M 1 is controlled at a negative rotation speed, for example, idling, and the engine rotation speed N E is maintained at zero or substantially zero as required by the differential action of the differential section 11.
- the hybrid control means 52 is an engine start / stop control means 80 that switches the operating state of the engine 8 between an operating state and a stopped state in order to switch between engine running and motor running, that is, engine 8 starting And engine start / stop control means 80 for stopping.
- the hybrid control means 52 can change the operating state of the engine 8 between the operating state and the stopped state as required when the shift lever 92 is in the vehicle stop state of the “P” position or the “N” position.
- the engine start / stop control means 80 is switched.
- the hybrid control means 52 functions as engine start condition establishment determination means, and determines whether or not an engine start condition for starting the engine 8 is established.
- the hybrid control means 52 is configured so that the accelerator pedal is depressed and the required output torque T is applied as shown by points a ⁇ b and point a- c in solid line B in FIG.
- the hybrid control means 52 determines that the engine start condition is satisfied when the return from the well-known fuel cut operation during acceleration-decelerated deceleration is determined based on the accelerator pedal depressing operation, etc. It is determined that Alternatively, the hybrid control means 52 determines that the actual state of charge S 0 C is less than the specified value based on a signal indicating the state of charge SOC of the power storage device 60 when the engine is stopped while the vehicle is stopped. It is determined that the engine start condition is satisfied.
- the hybrid control means 52 determines that the engine 8 or the catalyst device needs to be warmed up based on a signal indicating the engine water temperature TEMP W or a signal indicating the catalyst temperature when the engine is stopped in the vehicle stopped state.
- the specified value of the above-mentioned charging state s0c is a charging state in which the charging of the power storage device 60 by power generation of the first electric motor M 1 by operating the engine 8 in the charging state S 0 C is less than the specified value.
- S 0 C is a value that is previously determined by experiments and stored.
- the engine start / stop control means 80 functions as an engine start control means for starting the engine 8 when it is determined by the hybrid control means 52 that the engine start condition is satisfied.
- engine start stop control means 8 0, by raising the first electric motor speed N M 1 by energizing the first electric motor M 1, i.e. the first electric motor M 1 is made to function as a star evening, engine velocity N E a predetermined engine rotational speed N E, or for example the idle speed N E,.
- the engine 8 is started by raising the engine speed N E above the above-described autonomous rotation speed, supplying fuel with the fuel injection device 98, and igniting with the ignition device 99.
- the engine start / stop control means 80 has an idle rotation speed N E 1 DL or less well known as a resonance region in which the vibration of the vehicle vibration system in which the vibration and / or noise of the vehicle exceeds a predetermined value is likely to occur. So that the vibration and / or noise during start-up can be suppressed quickly and the first motor rotation speed N M ! Ru pulled up quickly it quickly (i.e. rapidly) the Enjin rotational speed N E at which bring can bow I given engine speed N E '. For example, the engine rotation speed N E is increased to a predetermined engine rotation speed N E ′ at a speed obtained experimentally so that the vibration and / or noise of the vehicle does not exceed a predetermined value. In the present embodiment, vibration and / or noise is hereinafter referred to as vibration noise.
- the vibration system resonance of the vehicle includes, for example, the resonance of the Eddon suspension system composed of the power plant such as the engine 8 and the transmission mechanism 10 and the engine mount, the torsional resonance of the drive system, the resonance of the exhaust system, the engine accessory It is assumed that there are similar resonances, drive system bending resonances, drive system coupled resonances, body system resonances, and suspension component resonances. Further, the predetermined engine speed region N ER is obtained, for example, experimentally in advance and stored. This is the engine rotation speed range where the vibration of the vehicle vibration system is likely to occur and is about 20 to 30 rpm, so that the vibration noise of the vehicle is more than a predetermined value considering the viewpoint of passenger comfort. The degree is assumed.
- This predetermined engine speed range N ER is not only the engine speed N E but also the vehicle speed V, the state of the variable cylinder of the engine 8, that is, the number of cylinders of the engine 8 in operation, the electromagnetically driven valve It may be determined based on the vehicle state represented by the number of cycles of the variable cycle engine represented by. This is because even if the engine speed NE and the vehicle speed V are the same, the resonance of the transmission mechanism 10 may or may not occur due to the difference in the vehicle state described above.
- the predetermined engine speed range N ER is determined in consideration of various vehicle conditions that affect the engine.
- Figure 8 is passed with the predetermined Enjin speed range N ER i.e. a vibration generating area A where vibration noise is greater than or equal to a predetermined value of the vehicle, Enjin startup to the vibration generation region A of the first electric motor M 1 operates Is an example for explaining on the alignment chart corresponding to FIG. 8
- (a) is a collinear diagram in the case of a first gear of the speed change mechanism 1?
- (b) is a collinear diagram in the case of a reverse gear of the speed change mechanism 1 0 .
- the straight line LO a shows the motor running when the engine rotation is stopped
- the straight line LO b shows the first motor M 1 as shown by the solid line B when the engine is switched from the motor running to the engine running.
- the first motor rotation speed N M 1 (the rotation speed of the first sun gear S 1 and the rotation speed of the vertical line Y 1) is increased by using the engine speed NE (the rotation speed of the first carrier CA 1 and the vertical line).
- (Y2 rotation speed) indicates the dog state in the middle of being raised toward the predetermined engine speed N E ,.
- a region A indicated by hatching in FIG. 8 is the vibration generation region A, and exists below a predetermined engine speed N E '.
- the second motor rotation speed N M 2 (the rotation speed of the first ring gear R 1 and the rotation speed of the vertical line Y 3) is uniquely determined by the vehicle speed V and the gear ratio ratio of the automatic transmission unit 20. Therefore, it can be seen that the engine speed N E cannot be quickly increased using the second electric motor M 2.
- the E engine start stop control means 8 0 At the time of engine start, in the course of change of the engine rotational speed N E from the straight line LO a to the straight line LO b, by the E engine start stop control means 8 0 to quickly pass through the vibration generating area A In addition, the engine speed N E is rapidly increased using the first electric motor M 1.
- the hybrid control means 52 functions as an engine stop condition establishment judging means, and whether or not an engine stop condition for stopping the engine 8 by stopping the fuel supply to the engine 8 is established. Determine. For example, the hybrid control means 52, as shown by a solid line B point b ⁇ point a and point c ⁇ point a in FIG. 7, the accelerator pedal is returned and the required output torque T 0UT is reduced to reduce the vehicle state. When changing from the engine travel area to the motor travel area, it is determined that the engine stop condition is satisfied. Alternatively, the hybrid control means 52 determines that the actual state of charge S0 C is equal to or greater than a specified value based on a signal indicating the state of charge SOC of the power storage device 60 when the engine is operating in the vehicle stop state.
- the hybrid control means 52 determines that the engine 8 or the catalyst device has been warmed up based on a signal indicating the engine water temperature TEMP W or a signal indicating the catalyst temperature when the engine is operating in the vehicle stopped state. Sometimes it is determined that the engine stop condition is satisfied. Alternatively, the hybrid control means 52 determines that the engine stop condition is satisfied when it is determined that the accelerator is decelerated with the accelerator opening Acc.
- the engine start / stop control means 80 functions as an engine stop control means for stopping the engine 8 when it is determined by the hybrid control means 52 that the engine stop condition is satisfied.
- the engine start / stop control means 80 stops the engine 8 by stopping the fuel supply by the fuel injection device 98, that is, by a fuel cut operation.
- the first electric motor M 1 does not output the engine torque T E is an idling state of the reaction force torque is not allowed to occur Therefore, the engine rotation speed N E decreases so that the engine rotation stop state, that is, the engine rotation speed N E becomes zero.
- the hybrid control means 52 also transmits the electric energy from the first electric motor M1 and / or the electric energy from the power storage device 60 to the second electric motor M2 by the electric path described above even in the engine traveling region.
- the second motor M 2 By applying torque to the drive wheels 38, so-called torque assist for assisting the power of the engine 8 is possible. Therefore, the engine travel of this embodiment includes the engine travel + the overnight travel.
- the hybrid control means 5 can maintain the operating state of the engine 8 by the electric CVT function of the differential section 11 regardless of whether the vehicle is stopped or in a low vehicle speed state. For example, if the charging capacity SOC of the power storage device 60 decreases when the vehicle is stopped and power generation by the first motor M 1 is required, the first motor M 1 is generated by the power of the engine 8 and Even if the rotation speed of the first motor M 1 is increased and the second motor rotation speed N M 2 is uniquely determined by the vehicle speed V As a result, the engine speed N E is maintained at a speed higher than the autonomous rotation speed.
- the hybrid control means 5 2 is configured so that the first motor rotation speed N M 1 and / or the first rotation speed is controlled by the electrical C VT function of the differential unit 1 1 regardless of whether the vehicle is stopped or running.
- the motor rotation speed N M 2 can be controlled to maintain the engine rotation speed N E constant or to control the rotation to an arbitrary rotation speed.
- Haiburitsudo control unit 5 2 first conductive motivation rotational speed N M while controlling the engine rotational speed N E to any rotational speed or kept constant, and / or the second electric motor rotation speed N M 2 Rotation can be controlled at any rotation speed.
- Haiburitsu de control means 5 2 As can be seen from the diagram of FIG. 3 to raise the engine rotational speed N E is the vehicle speed V (driving wheels
- the hybrid control means 52 can idle the first motor M 1, that is, not generate a reaction force by the first motor M 1, so that the differential unit 11 cannot transmit torque, that is, the differential Power transmission cut-off state with the power transmission path in part 1 1 cut off
- the speed-increasing gear stage determining means 6 2 is used to determine which of the switching clutch C 0 and the switching brake B 0 is to be engaged when the transmission mechanism 10 is set to the stepped transmission state, for example, the vehicle state
- the shift line shown in FIG. 7 previously stored in the storage means 56 based on According to the figure, it is determined whether or not the gear position to be shifted of the speed change mechanism 10 is the speed increasing side gear stage, for example, the fifth gear stage.
- the switching control means 50 switches between the continuously variable transmission state and the stepped transmission state by switching engagement / release of the engagement device (switching clutch C 0, switching brake B 0) based on the vehicle state. That is, the differential state and the hook state are selectively switched.
- the switching control means 50 is indicated by the vehicle speed V and the required output torque T OUT based on the relationship (switching diagram, switching map) shown in FIG.
- transmission mechanism 1 0 Differential part 1
- a signal for disabling or prohibiting hybrid control or continuously variable shift control is output to the hybrid control means 52.
- the step-variable shift control means 54 is permitted to perform a shift at the time of a preset step-shift.
- the stepped shift control means 54 performs automatic shift of the automatic transmission unit 20 in accordance with, for example, the shift diagram shown in FIG.
- FIG. 2 stored in advance in the storage means 56 is a hydraulic friction engagement device selected in the speed change at this time, that is, C 0, C 1, C 2, B 0, B 1, B 2, B 3
- the combination of operation is shown. That is, the entire speed change mechanism 10, that is, the differential part 11 and the automatic speed change part 20 function as a so-called stepped automatic speed changer, and the speed stage is achieved according to the engagement table shown in the figure.
- the speed-up side gear stage having a gear ratio smaller than 1.0 as a whole of the speed change mechanism 10 is a so-called overdrive gear.
- the switching control means 50 releases the switching clutch C 0 so that the differential section 11 can function as a sub-transmission with a fixed gear ratio r 0, for example, a gear ratio 0 of 0.7. Command for engaging the switching brake B 0 and hydraulic control circuit 4 2 Output to.
- the speed change mechanism 10 is switched to obtain a reduction-side gear stage with a gear ratio of 1.0 or more as a whole.
- the control means 50 engages the switching clutch C 0 and releases the switching brake B 0 so that the differential section 11 can function as a sub-transmission with a fixed transmission ratio 0, for example, a transmission ratio 0 of 1. Command to output to the hydraulic control circuit 42.
- the shift control means 50 is switched to the stepped shift state by the switching control means 50, and is selectively switched to be one of the two types of shift steps in the stepped shift state.
- the moving part 1 1 is caused to function as a sub-transmission, and the automatic transmission part 20 in series with the moving part 1 1 functions as a stepped transmission, whereby the entire speed change mechanism 10 is made to function as a so-called stepped automatic transmission. .
- the switching control means 50 determines that it is within the continuously variable transmission control region for switching the transmission mechanism 10 to the continuously variable transmission state, the continuously variable transmission state is obtained as a whole of the transmission mechanism 10.
- a command for releasing the switching clutch C and the switching brake B 0 is output to the hydraulic control circuit 42 so that the differential section 11 is in a continuously variable transmission state and can be continuously variable.
- a signal for permitting the hybrid control is output to the hybrid control means 5, and a signal for fixing to a preset gear position at the time of the continuously variable transmission is output to the stepped shift control means 54.
- a signal permitting automatic shifting of the automatic transmission unit 20 is output in accordance with, for example, the shift diagram shown in FIG.
- the gear ratio between the gear stages is continuously variable and the transmission mechanism 10 as a whole is in a continuously variable transmission state, and the total gear ratio key can be obtained continuously.
- the relationship between the shifting state of the transmission mechanism 10 and the operation of the shift lever 92 in the switching device 90 as shown in FIG. 5 will be described below.
- the shift control unit 50 automatically switches the shift state of the speed change mechanism 10 based on the shift map and the switch map stored in advance as shown in FIG.
- the switching control is executed, the continuously variable transmission control of the power distribution mechanism 16 is executed by the hybrid control means 52, and the automatic transmission control of the automatic transmission unit 20 is executed by the stepped transmission control means 54.
- the speed change mechanism 10 when the speed change mechanism 10 is switched to the stepped speed change state, the speed change mechanism 10 is automatically controlled within the range of the first speed gear to the fifth speed as shown in FIG.
- the speed change mechanism 10 when the speed change mechanism 10 is switched to the stepless speed change state, the speed change mechanism 10 is set to the stepless speed ratio width of the power distribution mechanism 16 and the first speed gear of the automatic speed changer 20.
- automatic transmission control within the range of the fourth speed gear stage, automatic transmission control is performed within the change range of the total speed ratio T that can be changed by the transmission mechanism 10 obtained with each gear stage.
- This “D” position is also a shift position for selecting an automatic shift running mode (automatic mode) which is a control mode in which the automatic shift control of the speed change mechanism 10 is executed.
- the switching control means 50, the rapid control means 5 2 so as not to exceed the maximum speed side gear stage or gear ratio of the shift range.
- the step-variable shifting control means 5 4 by 3 ⁇ 4 is automatic shift control within a range of the speed change mechanism 1 0 shiftable total speed ratio ⁇ T at each shift range of, for example, is switched transmission mechanism 1 0 in the step-variable shifting state
- the speed change mechanism 10 is automatically controlled within the range of the total speed ratio T where the speed change mechanism 10 can change speed in each speed range, or the speed change mechanism 10 is switched to the continuously variable speed state.
- the gear mechanism 10 is automatically controlled within the range of the stepless gear ratio range of the power distribution mechanism 16 and the automatic transmission unit 20 corresponding to each gear range.
- Speed change mechanism obtained by the stage 1 0
- the automatic shift control. Is in the range of shiftable total speed ratio ⁇ T in each shift range.
- This “M” position is also a shift position for selecting a manual shift running mode (manual mode), which is a control mode in which manual shift control of the speed change mechanism 10 is executed.
- the control unit of the electric system such as an electric motor for operating the differential unit 11 as an electric continuously variable transmission is malfunctioning or the function is reduced, for example, the electric motor energy is generated from the occurrence of electric energy in the first electric motor M 1.
- the switching control means 50 is used to ensure vehicle travel even in the continuously variable control region.
- the speed change mechanism 10 may be preferentially in the stepped speed change state.
- FIG. 7 is a relationship (shift diagram, shift map) stored in advance in the storage means 56 that is the basis of the shift determination of the automatic transmission unit 20.
- the broken lines in FIG. 7 indicate the determination vehicle speed VI and the determination output torque T 1 for determining the stepped control region and the stepless control region by the switching control means 50.
- the broken line in FIG. 7 relates to a high vehicle speed determination line that is a series of determination vehicle speed V1, which is a predetermined high-speed driving determination value for determining high-speed traveling of the hybrid vehicle, and a driving force of the hybrid vehicle.
- Drive power related value for example, output torque of automatic transmission unit 20 0
- High output that is a series of judgment output torque T 1 that is a preset high output travel judgment value for judging high output travel where ⁇ is high output
- a traveling determination line is shown. Furthermore, as shown by the two-dot chain line with respect to the broken line in FIG.
- FIG. 7 shows that the vehicle speed V and the output torque ⁇ including the determination vehicle speed V 1 and the determination output torque T 1 are used as parameters in the stepped control region and the stepless control region by the switching control means 50.
- It is a switching diagram (switching map, relationship) stored in advance for determining whether there is an area.
- the shift map including this switching diagram may be stored in advance in the storage means 56. Further, this switching diagram may include at least one of the judgment vehicle speed V 1 and the judgment output torque T 1, and any one of the vehicle speed V and the output torque T 0UT is used as a parameter.
- a switching line stored in advance may be used.
- the above shift diagram, switching diagram, or driving force source switching diagram is not a map, but a judgment formula that compares the actual vehicle speed V with the judgment vehicle speed V 1, output torque T 0 UT and judgment output torque It may be stored as a judgment formula for comparing T1.
- the switching control means 50 sets the speed change mechanism 10 to the stepped speed change state when the vehicle state, for example, the actual vehicle speed exceeds the determination vehicle speed V 1. Further, the switching control means 50 sets the transmission mechanism 10 to the stepped speed change state when the vehicle state, for example, the output torque ⁇ ⁇ ⁇ of the automatic transmission ⁇ 0 exceeds the judgment output torque ⁇ 1.
- the determination vehicle speed V 1 is such that, for example, when the speed change mechanism 10 is set to a continuously variable speed state during high speed travel, the speed change mechanism 10 during the high speed travel suppresses deterioration of fuel consumption. It is set to be in a state.
- the determination torque ⁇ 1 is used to reduce the size of the first motor ⁇ 1 without causing the reaction torque of the first motor ⁇ 1 to correspond to the high output range of the engine 8 when the vehicle is traveling at a high output. It is set according to the characteristics of the first electric motor ⁇ 1 that can be installed with a lower maximum output of the electric energy from the first electric motor ⁇ 1.
- the driving force-related value is a parameter corresponding to the vehicle driving force on a one-to-one basis, and includes not only the driving torque or driving force at the driving wheels 38 , but also, for example, the output torque of the automatic transmission unit 20 , Engine torque T E , vehicle acceleration G, for example, accelerator opening
- throttle valve opening 0 TH (or intake air amount, air-fuel ratio, fuel injection amount) and actual value such as engine torque T E calculated based on engine speed N E , accelerator opening Acc or throttle Requirement calculated based on valve opening 0 TH, etc.
- the drive torque may be calculated from the output torque T OUT or the like in consideration of the differential ratio, the radius of the drive wheels 38, or may be directly detected by, for example, a torque sensor or the like. The same applies to the other torques described above.
- Fig. 9 is also a conceptual diagram for creating the broken line in Fig. 7. In other words, the broken line in Fig. 7 shows the vehicle speed V and output torque based on the relationship diagram (map) in Fig. 9.
- the output torque ⁇ ⁇ ⁇ ⁇ has a preset output ⁇ torque T 1 or higher torque range, or the vehicle speed V has a preset vehicle speed range V 1 or higher. Since the stepped control region is set, the stepped variable speed travel is executed at the time of high driving torque, which is a relatively high torque of the engine 8, or at a relatively high vehicle speed. The engine is executed at a low driving torque of 8 at a relatively low torque, or at a relatively low vehicle speed, that is, at the engine 8 normal output range.
- the engine torque T E is set to a high torque region in which a predetermined value TE 1 or higher is set in advance
- the engine speed N E is set to a high value that is higher than a predetermined value NE 1 in advance. Since the engine output calculated from the engine speed T E and the engine speed N E is higher than the specified range, the stepped control area is set as the stepped control area. This is executed at relatively high torque, relatively high rotational speed, or relatively high output, and continuously variable speed running is relatively low torque, relatively low rotational speed, or relatively low output of engine 8. It is designed to be executed in the normal output area of engine 8 at the time.
- the speed change mechanism 10 is set to a continuously variable speed to ensure the fuel efficiency of the vehicle, but the actual vehicle speed V is determined as described above.
- the speed change mechanism 10 is a stepped transmission. The speed of the engine 8 is transmitted through the mechanical power transmission path to the driving wheels 3 8 and operated as an electric continuously variable transmission. The conversion loss during the period is suppressed, and the cost is improved.
- the speed change mechanism 10 is set to a stepped transmission state that operates as a stepped transmission, and mechanical power is exclusively used.
- the region where the output of engine 8 is transmitted to the drive wheels 3 8 through the transmission path and operates as an electric continuously variable transmission is the low and medium power traveling of the vehicle, and the first motor M 1
- the electric energy to be generated in other words, the maximum value of the electric energy transmitted by the first electric motor M1 can be reduced, and the first electric motor M1 or a vehicle driving device including the electric motor M1 can be further downsized.
- the predetermined value TE 1 is the first electric motor M 1 is preset as switching threshold value of the engine torque T E that is as possible out to withstand the reaction torque
- the engine torque T E exceeds the predetermined value TE 1
- the differential unit 1 1 is in the stepped speed change state, the first motor M l has the engine torque T Since it is not necessary to take charge of the reaction torque against E , the deterioration of the durability of the first electric motor M 1 is prevented while being prevented.
- the first electric motor M 1 of the present embodiment by the maximum output is smaller than the reaction torque capacity corresponding to the maximum value of the engine torque T E, to Wachisono maximum output that does not correspond to the reaction force torque capacity against the engine torque T E that exceeds the predetermined value TE 1, downsizing is realized such.
- the maximum output of the first electric motor M 1 is the rated value of the first electric motor M 1 that is experimentally obtained and set so as to be allowed in the usage environment of the first electric motor M 1.
- switching threshold value of the Enjintoruku T E is the maximum value or a predetermined value lower have value than that of the engine torque T E by the first electric motor M 1 can and Zuko pinch receiving the reaction torque, first This is a value obtained experimentally in advance so that a decrease in the durability of the motor M1 is suppressed.
- the speed change mechanism 10 (differential part 11, power distribution mechanism 16) of the present embodiment is in a continuously variable transmission state (differential state) and in a continuously variable transmission state (stepped speed change state, locked state).
- the switching control means 50 determines the shift state to be switched of the differential unit 11 based on the vehicle state, and the differential unit 11 is not switched to the continuously variable shift state. It can be selectively switched to either a continuously variable transmission state (stepped transmission state).
- the engine speed N E is controlled by the electric CVT function without being restricted by the vehicle speed V, in other words, the rotational speed of the transmission member 18. obtain. Therefore, when the engine is started, the engine speed N E is quickly increased using the first electric motor M l so that the predetermined engine speed region N ER is quickly passed by the engine start / stop control means 80. Can be raised. In the stepped shift state of the differential section 1 1, the power transmission path between the engine 8 and the drive wheels 3 8 is mechanically connected, and the engine rotation speed NE is restricted to the vehicle speed V. Therefore, the engine speed N E cannot be freely controlled.
- the first motor M 1 is used so that the predetermined engine rotation speed region N ER can be quickly passed by the engine start / stop control means 80. Since the engine speed N E could not be increased quickly, there was a possibility that vehicle noise exceeding the specified value could occur when the engine 8 was started. For example, when the differential unit 1 1 is running in the stepped speed change state, for example, when starting the engine that recovers from the fuel cut by the engine start / stop control means 8 0 during stepped running, or at point a of the solid line B in FIG. ⁇ As indicated by point c, there was a possibility that vehicle vibration noise exceeding a predetermined value could be generated when starting the engine when switching from the stepless speed change state to the stepped speed change state.
- the switching control means 50 determines that the engine start condition is satisfied by the hybrid control means 52, and when the engine 8 is started by the engine start / stop control means 80, Engine start / stop control means 8 to 0 In order to allow the predetermined engine speed range N EK to pass through more quickly, maintain the shifting state of the differential section 1 1 to the continuously variable shifting state, or release the switching clutch C 0 or the switching brake B 0. It functions as an engine start-up switching control means that preferentially (mandatoryly) changes the shifting state of the differential section 1 1 to a continuously variable shifting state.
- the power transmission path from the engine 8 to the drive wheels 38 is driven by power.
- the transmission is cut off, the power transmission path between the engine 8 and the drive wheels 3 8 is mechanically connected even if the speed change state of the differential unit 1 1 is a stepped speed change state.
- the engine speed N E is not restricted by the vehicle speed V, and the engine speed N E can be controlled. Therefore, when the engine is started when the power transmission path is in the power transmission cut-off state, regardless of whether the speed change state of the differential part 11 is a continuously variable speed change state or a stepped speed change state. not the engine start stop control means 8 0 by a predetermined engine speed range N ER can pass fast Ya crab.
- Shift position determining means 82 may determine whether the current shift lever one 9 2 based on a signal representing the shift position P SH has become one of the position, or shift small Le Bas one 9 2 is operated to either position To do.
- the shift position determination means 8 2 is based on a signal indicating the shift position P SH and the shift lever-92 is in the “P” position or “N” position, that is, the power transmission path from the engine 8 to the driving wheels 3 8 is driven by power. Judges whether or not it is a non-driving position where transmission is cut off.
- the shift position determining means 82 is Shifutopojisho down P SH on the basis of a signal representing the shift lever one 9 2 "R" position, "D" positive Chillon or "M” position, i.e. the drive from the engine 8 wheels 3 8 It is determined whether or not the power transmission / reach route is in a drive position where power transmission is possible.
- the switching control means 50 is changed from the engine 8 to the drive wheel 3 8.
- the shift position determining means 82 When the power transmission path to the power transmission is possible, that is, the shift position determining means 82 When the shift positive Chillon P SH Trevor 9 2 is determined to be the driving position, so that a predetermined engine speed range N ER is rapidly passed by the engine start stop control means 8 0, the differential unit 1 Maintain the shifting state of 1 in a continuously variable shifting state, or release the switching clutch C 0 or switching brake B 0 to make the shifting state of the differential unit 1 1 preferentially (forced) a continuously variable shifting state. .
- the speed change state of the differential section 11 is preferentially (forced) set to the continuously variable speed change state so that the predetermined engine speed region N ER can be quickly passed by the engine start / stop control means 80. There is no need to
- the case where the vibration noise of the vehicle above the predetermined value does not occur is, for example, when the engine rotation speed N E already exceeds the predetermined engine rotation speed region N ER at the time of engine start, and the engine start / stop control means 8
- the engine speed N E is set to the predetermined engine speed N e by the engine start / stop control means 80. to pass through the predetermined engine rotational speed region N ER when pulled above, there is a possibility that noise and vibration of the vehicle becomes a predetermined value or more.
- the vibration generation area determination means 84 is used to detect vehicle vibration noise. whether resonance occurs in the vibration system of the vehicle as a predetermined value or more, for example, the actual engine rotational speed N E is whether or not exceed a predetermined engine rotational speed region N ER as vibration onset generating region Judge with.
- the switching control means 50 determines that the engine start condition has been established by the hybrid control means 52, and the vehicle vibration noise is predetermined when the engine start / stop control means 80 starts the engine 8.
- the engine start / stop control means 8 0 determines that the predetermined engine speed area N ER Maintain the shifting state of the differential unit 1 1 in a continuously variable transmission state so that it can be passed quickly, or release the switching clutch C 0 or switching brake B 0 to give priority to the shifting state of the differential unit 1 1 (Forcibly) Set to the continuously variable transmission state.
- the power transmission path from the engine 8 to the drive wheels 3 8 is in a state where power transmission is possible.
- the speed change state of the differential portion 11 is the stepped speed change state
- the engine speed N E uniquely determined by the vehicle speed V and the speed change ratio of the automatic speed change portion 20, that is, It is assumed that the vehicle speed V increases as the engine speed N E restricted by the vehicle speed V exceeds the predetermined engine speed range N ER .
- the engine start / stop control means 80 uses the first electric motor M l to set the engine speed N E.
- the engine 8 does not need to be increased to a predetermined engine speed N E 'or more, and the engine 8 is started by supplying the fuel as it is with the fuel injection device 98 and igniting it with the ignition device 99.
- the stepped gear shift state determining means 86 is a shift position determining means when it is determined that the engine start condition is satisfied by the hybrid control means 52, and the engine 8 is moved by the engine start / stop control means 80. If it is determined by 8 2 that the shift position P SH of the shift lever 9 2 is the drive position, the power distribution mechanism 16 is in the locked state (connected state), that is, the differential unit 1 1 is stepped. It is determined whether or not it is in a state.
- the stepped gear shift state determining means 8 6 determines whether or not the differential unit 1 1 is in the stepped gear shift state, for example, whether or not the speed change mechanism 10 is in the stepped gear shift state by the switching control means 50. Judge with. '
- the vibration generation region determining means 84 is configured such that when the stepped speed change state determining means 86 determines that the differential portion 11 is in the stepped speed change state, the vibration noise of the vehicle is not less than a predetermined value. It is determined whether or not.
- the switching control means 50 maintains the speed change state of the differential portion 11 in a continuously variable speed change state or gives priority to the speed change state of the differential portion 11 (forced). )
- the differential section 11 is set to the stepless speed change state for at least the predetermined period T s . That is, at least for the predetermined period T s, the switching control means 50 is prohibited from switching the differential portion 11 to the stepped speed change state.
- the predetermined period T s is until the engine 8 is actually supplied with fuel and ignited.
- the engine speed N E becomes equal to the predetermined engine speed N E.
- This is the predetermined start time A which is experimentally obtained and stored in advance as the time required for starting until the fuel is supplied and ignited.
- the speed change state of the differential section 11 is set to the continuously variable speed change state until the fuel is supplied to the engine 8 and ignition is actually performed after the speed is increased to the speed N E 'or higher.
- the switching control means 50 may be configured to at least change the shifting state of the differential unit 11 to the continuously variable transmission state for a predetermined starting time A required for starting after the engine start / stop control means 80 starts to start the engine 8.
- FIG. 11 is a flow chart for explaining the main part of the control operation of the electronic control unit 40, that is, the control operation for preventing the vibration noise of the vehicle exceeding a predetermined value when the engine is started, for example, several msec to several m It is repeatedly executed with an extremely short cycle time of about 10 msec.
- Fig. 12 is a time chart for explaining the control operation shown in the flowchart of Fig. 11.
- the accelerator pedal is stepped on greatly while the motor is running, the vehicle state changes to point a ⁇ point of solid line B in Fig. 7.
- it is determined that the engine start for switching to engine running and the switching of the differential unit 11 from the continuously variable transmission state to the stepped transmission state are determined by changing as shown in c. is there.
- steps corresponding to the hybrid control means 52 (hereinafter, steps are referred to as steps). (Omitted)
- steps it is determined whether or not an engine start condition for starting the engine 8 is satisfied. For example, as shown by point a-point c on solid line B in Fig. 7, the accelerator pedal is depressed and the required output torque ⁇ ⁇ ⁇ increases to
- the power distribution mechanism 16 is in the hooked state (connected state), that is, the differential unit 1 1 is stepped. Whether or not the speed change state is set is determined by, for example, the switching control means 50 based on whether or not the speed change mechanism 10 is set to a stepped speed change state.
- S4 corresponding to the vibration generation region determination means 84, whether or not the vibration of the vehicle vibration system that causes the vibration noise of the vehicle to be a predetermined value or more occurs. but for example, the actual engine rotational speed N E is determined by the absence does not exceed a predetermined engine rotational speed region N ER as vibration generation region. If the determination of S4 is affirmative, in S5 corresponding to the switching control means 50, the switching clutch C0 or the switching brake B0 is released, and the shift state of the differential section 11 is at least a predetermined period T. s is preferentially (forced) to be continuously variable.
- the shift state of the differential section 11 is maintained in a continuously variable shift state in a step (not shown) corresponding to the switching control means 50. At this time, at least for the predetermined period T s , switching of the differential section 11 to the stepped variable state by the switching control means 50 is prohibited.
- the engine start / stop control means 80 in S 6 corresponding to, so that the vibration noise of the vehicle is the vibration noise when starting to be quickly passes a predetermined Enjin speed range N ER resonance have Chasse occurrence of the vibration system of the vehicle becomes a predetermined value or more is suppressed
- the first motor M 1 is energized and the first motor rotation speed N M 1 is quickly increased, so that the engine rotation speed N E is rapidly increased to a predetermined engine rotation speed N E or more.
- the engine 8 is started by supplying the fuel and the ignition device 99.
- the power transmission path from the engine 8 to the drive wheels 3 8 is in a power transmission cut-off state, so that the vibration of the vehicle vibration system is difficult to occur, Since vibration noise is difficult to be transmitted, it is not necessary to rapidly increase the engine speed N E to the predetermined engine speed N E or more in that case. If the determination in S4 is negative and the engine speed N E has already exceeded the predetermined engine speed N E , the engine speed N E a predetermined engine speed N e, since there is no need to increase the above, the starting of the engine 8 is performed as to and the ignition device 9 9 by point the fire was fueled by intact fuel injectors 9 8.
- the predetermined period T s is determined after the start of the engine 8 is started. That is, after the engine speed N E is increased by the first electric motor M 1 until the start of the engine 8 is completed, that is, until the fuel supply and ignition are actually performed, the broken line B in FIG. As shown in Fig. 5, it may be after a predetermined time B that has been experimentally obtained in advance as an allowance time until the engine 8 is stabilized after the engine 8 is started. Further, the predetermined period T s may be the predetermined start time A required for starting after the start of the engine 8 is started.
- the shift control means 50 maintains the speed change state of the differential section 11 in a continuously variable speed change state. either, or because shifting state of the differential portion 1 1 releases the switching clutch C 0 or switching brake B 0 is a continuously variable shifting state preferentially (forcing), the E down Jin speed N E Unlike the stepped speed change state of the differential section 1 1 that may be restricted by the vehicle speed V, the engine speed N E is quickly increased to a predetermined engine speed N E 'or more, and the predetermined engine speed range N The vehicle can pass through the ER quickly, and the generation of vehicle vibration noise can be suppressed when the engine is started.
- the engine start / stop control means 80 uses the first electric motor M 1 to increase the engine rotation speed N ′ E to a predetermined engine rotation speed N E ′ or higher.
- the actual engine speed N E can be quickly passed through the predetermined engine speed range N E R.
- the switching control means 50 is configured such that when the vibration noise of the vehicle exceeds a predetermined value when the engine 8 is started, that is, when the engine 8 is started, the predetermined engine speed When passing through the area N ER , the speed change state of the differential section 1.1 is set to a continuously variable speed change state, so that when the engine 8 is started, the predetermined engine rotation speed area N ER can be quickly passed, and the engine Generation of vibration noise of the vehicle at the start of 8 can be suppressed.
- the switching control means 50 continuously changes the speed change state of the differential section 11 when the power transmission path from the engine 8 to the drive wheels 38 is in a power transmission enabled state. This is different from the case where the differential portion 1 1 is set to the stepped speed change state and the engine speed N E is restricted to the vehicle speed V when the power transmission path is in the power transmission enabled state.
- the engine speed N E can quickly pass through the predetermined engine speed range N ER, and generation of vibration noise of the vehicle can be suppressed when the engine 8 is started.
- the switching control means 50 continuously changes the speed change state of the differential section 11 until the start of the engine 8 by the engine start / stop control means 80 is completed. since the state, during the starting of Enjin 8 is Enjin rotational speed N E can rapidly transit the predetermined Enjin speed range N ER, generation of vibration noise of the vehicle can be suppressed at the start of Enjin.
- the switching control means 50 is configured such that the predetermined start time A required for starting the engine 8 after the engine start / stop control means 80 is started is the differential unit. 1 Since the shifting state of 1 is a continuously variable shifting state, the engine speed N E can quickly pass through the predetermined engine speed range N ER while the engine 8 is starting. Occurrence can be suppressed.
- the control operation for preventing the vibration noise of the vehicle exceeding a predetermined value when starting the engine has been described.
- the predetermined value is set when the engine is stopped, particularly when the engine is stopped while the vehicle is running. A control operation for preventing the above vibration noise of the vehicle from occurring will be described.
- FIG. 13 is a functional block diagram illustrating the main part of the control function of the electronic control unit 40, and corresponds to FIG.
- the engine start / stop control means 8 ′ 0 functioning as the engine stop control means is operated by the fuel injection device 98 when the hybrid control means 52 determines that the engine stop condition is satisfied. was performed to stop the engine 8 by ie fuel Katsuhito actuated to stop the supply, in addition, engine start stop control means 8 0, the predetermined engine rotational speed region N ER can turn promptly pass To suppress vibration and / or noise when the engine stops.
- the first motor M 1 is energized and the first motor rotation speed N M 1 is quickly reduced to positively reduce the engine rotation speed N E quickly to the predetermined engine rotation speed range N ER or less. Pull it down.
- the engine speed N E can be quickly passed through the predetermined engine speed region N ER compared to the case where the engine speed N E naturally decreases so that the engine 8 stops due to the fuel cut operation and becomes zero. Vibration noise when stopping is suppressed.
- Fig. 14 shows a predetermined engine speed region NER, that is, a vibration generation region A in which the vibration noise of the vehicle exceeds a predetermined value, and an operation of passing the vibration generation region A using the first electric motor M1 when the engine is stopped.
- NER predetermined engine speed region
- FIG. 14 is a collinear diagram for the first speed gear stage and the fourth speed gear stage of the speed change mechanism 10.
- the straight line LO b shows the engine running before switching to the motor running
- the straight line LO a shows the motor running when the engine rotation is stopped.
- a region A indicated by hatching in FIG. 14 is the vibration generation region A, which exists below the predetermined engine speed N E , below.
- the second motor rotation speed N M 2 (the rotation speed of the first ring gear R 1 and the rotation speed of the vertical line Y 3) is uniquely determined by the vehicle speed V and the gear ratio ratio of the automatic transmission 20. is the reason, it is seen that not promptly pulled E engine rotational speed N E using the first electric motor M 2.
- the transmission mechanism 10 of this embodiment can be selectively switched between the continuously variable transmission state and the continuously variable transmission state, and the differential control unit 50 based on the vehicle state by the switching control means 50.
- a shift state to be switched is determined, and the differential unit 1 1 is selectively switched between a continuously variable shift state and a non-continuously variable shift state (stepped shift state).
- the vehicle speed V in other words, the engine rotation without being restricted by the rotational speed of the transmission member 18 by the electrical CVT function.
- the speed N E can be controlled. Therefore, when the engine is stopped, the engine speed N E is quickly increased using the first electric motor M 1 so that the predetermined engine speed region N ER is quickly passed by the engine start / stop control means 80.
- the first motor M l is used so that the predetermined engine rotation speed region N ER is quickly passed by the engine start / stop control means 80. Since the engine speed N E could not be lowered quickly, there was a possibility that vehicle vibration noise exceeding the specified value would occur when the engine 8 stopped. For example, when the engine is stopped when the accelerator 11 is decelerated while the differential unit 11 is running in the stepped speed change state, there is a possibility that vehicle vibration noise exceeding a predetermined value may occur.
- the switching control means 50 is replaced with or added to the above-mentioned function as the engine starting switching control means, and the engine start condition is determined by the hybrid control means 52 when it is determined that the engine stop condition is satisfied.
- the speed change state of the differential section 11 is maintained at the continuously variable speed change state so that the predetermined engine speed region N ER is quickly passed by the engine start / stop control means 80.
- the switching clutch C 0 or the switching brake B 0 is released to function as a switching control means at the time of engine stop that preferentially (forcibly) shifts the differential section 1 1 to a continuously variable shifting state.
- the power transmission path from the engine 8 to the drive wheels 38 is the power.
- the power transmission path between the engine 8 and the drive wheels 3 8 is mechanically connected even if the speed change state of the differential section 1 1 is a stepped speed change state.
- Sarezu Enjin rotational speed NE is the engine rotational speed N E can be controlled without being bound with the vehicle speed V. Therefore, when the engine is stopped when the power transmission path is in the power transmission cut-off state, regardless of whether the speed change state of the differential unit 11 is a continuously variable speed change state or a stepped speed change state. Without The engine start / stop control means 80 can pass the predetermined engine speed region NER quickly. Therefore, the switching to the continuously variable transmission state of the differential section 11 by the switching control means 50 here is assumed to be an engine stop at the time of raining.
- the vehicle running determination means 8 8 determines whether or not the vehicle is running.
- the vehicle running determination means 8 8 is a drive in which the shift lever 9 2 is in the “D” position or the “M” position, that is, the power transmission path from the engine 8 to the drive wheels 3 8 is in a state capable of transmitting power.
- Whether or not the vehicle is traveling is determined based on whether or not the vehicle is in the position and the vehicle speed V is equal to or higher than a predetermined value for determining that the vehicle is traveling.
- the switching control means 50 determines that the vehicle running determination means when the engine stop condition is satisfied by the engine start / stop control means 80 when it is determined by the hybrid control means 52 that the engine stop condition is satisfied. 8
- the engine start / stop control means 80 allows the predetermined engine speed region N ER to pass quickly so that the speed change state of the differential section 11 Is maintained in a continuously variable transmission state, or the switching clutch C 0 or the switching brake B 0 is released, and the shifting state of the differential section 11 is preferentially (forced) set to the continuously variable transmission state.
- the engine speed N E is already below the specified engine speed range N ER when the engine is stopped. means 8 0 by the case E emissions' Gin rotational speed N E is odd, such passes through the predetermined engine rotational speed region N ER when pulled towards a stop state stop rotating.
- the engine speed N E exceeds the predetermined engine speed range N E R when the engine is stopped, the engine start / stop control To pass through the predetermined engine rotational speed region N ER by stage 8 0 when the engine rotational speed N E is lowered, there is a possibility that vibration noises of the vehicle is greater than or equal to the predetermined value.
- the vibration generation region determination means 84 determines that the engine stop condition is satisfied by the hybrid control means 52, and the engine start / stop control means 80 controls the engine 8
- the vibration of the vehicle vibration system that causes the vibration noise of the vehicle to exceed a predetermined value occurs, that is, the predetermined engine rotation speed as a vibration generation region when the engine stops.
- Whether or not to pass through the region N E R is determined by, for example, whether or not the actual engine speed N E exceeds a predetermined engine speed region N ER .
- the switching control means 50 determines that the engine stop condition is satisfied by the hybrid control means 52, and the vehicle vibration noise is predetermined when the engine start / stop control means 80 stops the engine 8.
- the engine start / stop control means 8 In order that the predetermined engine speed region N ER can be quickly passed by 0, the shifting state of the differential section 11 is maintained in the continuously variable shifting state, or the switching clutch C 0 or the switching brake B 0 is released.
- the shifting state of the differential unit 1 1 is set to the infinitely variable state with priority (forced).
- the shifting state of 1 is a stepped shifting state, that is, during stepped shifting, the vehicle speed V is low, the total speed ratio 0 is small (high speed side gear ratio, etc.) ) and, if Enjin rotational speed E, which depends on the vehicle speed V is such that at a low rotation speed than the predetermined Enjin rotational speed region NE R is assumed.
- the continuously variable transmission state determining means 8 9 is a means for determining that the vehicle is running when it is determined that the engine stop condition is satisfied by the hybrid control means 52 and the engine 8 is stopped by the engine start / stop control means 80.
- the continuously variable transmission state determination means 8 9 determines whether or not the differential unit 11 is in a continuously variable transmission state, for example, whether or not the transmission mechanism 10 is in a continuously variable transmission state by the switching control means 50. Judge with.
- the vibration generation area determining means 84 determines that the vibration noise of the vehicle is predetermined when the differential section 11 is determined not to be in the continuously variable transmission state by the continuously variable transmission state determining means 89. It is determined whether or not the value is greater than or equal to.
- the switching control means 50 maintains the speed change state of the differential section 11 at the stepless speed change state when the engine 8 is stopped or gives priority to the speed change state of the differential section 11 (forced). ) when the continuously variable shifting state, is at least a predetermined time period t D is the differential part 1 1 and the continuously variable shifting state. That is, at least the switching of the predetermined time t D is the step-variable shifting state of the differential portion 1 1 by the switching control means 5 0 is prohibited.
- the engine speed N E is actually stopped after the engine 8 is stopped, that is, after the engine speed N E is reduced by the first electric motor M l.
- This is the predetermined stop time A that is obtained experimentally and stored in advance as the time required to stop until it is brought into a state.
- the predetermined time t D is from the start stop of the engine 8, as time required to stop until pulled to speed the engine rotational speed N E is actually below the Jo Tokoro engine speed range N ER It may be a predetermined stop time B that has been obtained experimentally and stored in advance.
- the switching control means 50 makes at least the speed change state of the differential section '11 until the engine start / stop control means 80 completes the stop of the engine 8.
- FIG. 15 is a flowchart for explaining the main part of the control operation of the electronic control unit 40, that is, the control operation for preventing the vibration noise of the vehicle exceeding a predetermined value when the engine is stopped. It is repeatedly executed with an extremely short cycle time of, for example, several milliseconds to several tens of milliseconds.
- FIG. 16 is a time chart for explaining the control operation shown in the flowchart of FIG. 15. For example, when the accelerator pedal is returned while the engine is running in the stepped speed change state of the differential section 11. This is an example when it is determined that the engine stops for fuel.
- S B 1 corresponding to the hybrid control means 52 it is determined whether or not an engine stop condition for stopping the engine 8 is satisfied. For example, when the accelerator pedal is returned and the accelerator is turned off, it is determined that the engine stop condition is satisfied.
- the time t i in Fig. 16 indicates that it was determined that the engine 8 stop condition was satisfied due to the accelerator off.
- SB 4 corresponding to the vibration generation area determination means 84, is there any vibration in the vehicle vibration system that causes the vehicle vibration noise to exceed a predetermined value? whether, for example the actual engine rotational speed N E is determined by whether it exceeds a predetermined engine speed range N ER.
- the switching clutch C 0 or the switching brake B 0 is released and the shift state of the differential section 11 is at least a predetermined time t D. Is preferentially (forced) to be continuously variable. If the determination of SB 3 is affirmed, a diagram corresponding to the switching control means 50 is shown. In no step, the shift state of the differential ⁇ ⁇ 1 is maintained in the continuously variable shift state. At least switching of the a predetermined time period t D step-variable shifting state of the differential portion 1 1 by the switching control means 5 0 At this time are prohibited.
- FIG. 16 is an example in which the fuel cut operation of SB 6 is executed when the determination of SB 2 is affirmed in the flowchart of FIG.
- t 3 time points 1 6, directive for switching the differential portion 1 1 after the predetermined time t B elapsed fuel Katsuhito operation is determined whether we advance the start of the engine 8 to the continuously variable shifting state is output It shows that.
- the predetermined time t D is the time when the engine 8 is instructed to stop, that is, after the engine speed N E is reduced by the first electric motor M 1, the engine 8 is stopped. Is the predetermined stop time C until the stop of the engine 8 is completed after the command to switch the differential unit 11 to the continuously variable transmission state is output.
- the output torque of the motor I 2 may be increased in order to compensate for pumping loss caused by dragging of the engine 8 that has been fueled. .
- the switching control means 50 maintains the speed change state of the differential section 11 in a continuously variable speed change state.
- the switching clutch C 0 or the switching brake B 0 is released and the shifting state of the differential section 1 1 is preferentially (forced) to be a continuously variable shifting state, so that the engine speed N E is Unlike the stepped speed change state of the differential section 1 1 that may be constrained by the vehicle speed V, the engine speed N E is quickly lowered below the predetermined engine speed range N ER and the predetermined engine speed By passing the area N ER quickly, the generation of vehicle vibration and noise can be suppressed when the engine stops.
- the engine start stop control means 8 since reduced pull the engine speed N E to or less than a predetermined engine speed range N ER using the first electric motor M l, stopping of the engine 8 Sometimes the actual engine speed N E can be quickly passed through a predetermined engine speed range N ER .
- the switching control means 50 is configured so that the predetermined engine speed when the vehicle vibration noise exceeds a predetermined value when the engine 8 is stopped, that is, when the engine 8 is stopped.
- the speed change state of the differential section 11 is set to a continuously variable speed change state, so that when the engine 8 is stopped, the predetermined engine rotation speed region N ER can be passed quickly, and the engine 8 Reduces vehicle vibration and noise when stopping Le Protect
- the switching control means 50 is configured such that, when the power transmission path from the engine 8 to the drive wheels 38 is in a state where power can be transmitted, for example, during traveling of the vehicle, the differential unit 1 1 When the power transmission path is in a state where power transmission is possible, the differential section 11 is set to the stepped speed change state and the engine rotation speed ⁇ ⁇ is restricted to the vehicle speed V. Unlike the engine speed ⁇ ⁇ ⁇ ⁇ ⁇ , the engine speed ⁇ ⁇ can be quickly passed through the predetermined engine speed range ⁇ ER, and the generation of vibration noise of the vehicle can be suppressed when the engine 8 is stopped.
- the switching control means 50 continuously changes the shifting state of the differential section 11 until the stop of the engine 8 by the engine start / stop control means 80 is completed. since the state, during the stop of the engine 8 is the engine rotational speed New E can rapidly transit the predetermined Enjin rotational speed region NER, generation of vibration noise of the vehicle can be suppressed during shutdown of Enjin.
- the switching control means 50 is configured such that the predetermined stop time ⁇ ⁇ ⁇ required to stop the engine 8 after the engine start / stop control means 80 starts to stop is the differential unit. 1 Since the shifting state of 1 is a continuously variable shifting state, the engine speed N E can quickly pass through the predetermined engine speed range N ER while the engine 8 is stopped. Occurrence can be suppressed. [Example 3]
- FIG. 17 is a skeleton diagram illustrating the configuration of the speed change mechanism 70 according to another embodiment of the present invention.
- FIG. 18 is a combination of the gear position of the speed change mechanism 70 and the engagement of the hydraulic friction engagement device.
- FIG. 19 is a collinear diagram illustrating the speed change operation of the speed change mechanism 70.
- the speed change mechanism 70 includes a differential unit 1 1 having a first motor M 1, a power distribution mechanism 16 and a second motor M 2, and the differential unit 11 and the output
- a forward three-stage automatic transmission portion 7 2 connected in series with a shaft 2 2 via a transmission member 18 is provided.
- the power distribution mechanism 16 is, for example, a predetermined gear of about “0.4 1 8”.
- a single pinion type first planetary gear unit 24 having a ratio / 0 1, a switching clutch C 0 and a switching brake B 0 are provided.
- the automatic transmission unit 72 includes, for example, a single pinion type second planetary gear unit 16 having a predetermined gear ratio p 2 of about 0.5 3 2 J and a predetermined gear ratio of, for example, about “0.4 18”.
- a single pinion type third planetary gear device 28 having 0 3.
- the second sun gear S 2 of the second planetary gear unit 26 and the third sun gear S 3 of the third planetary gear unit 28 are integrally connected to be selected as the transmission member 18 via the second clutch C 2.
- R 3 is connected to the output shaft 1 2 and the second ring gear R 2 is selectively connected to the transmission member 1 8 via the first clutch C 1, and the third carrier CA 3 Is selectively connected to the case 1 1 via the second brake B 2.
- the power distribution mechanism 16 is provided with a switching clutch C 0 and a switching brake ⁇ 0, and either of the switching clutch C 0 and the switching brake ⁇ 0 is engaged and operated.
- the moving part 11 can constitute a constant transmission state that operates as a transmission having a constant gear ratio. Therefore, in the speed change mechanism 70, a stepped speed change is made between the differential portion 11 and the automatic speed change portion 7 that are brought into a constant speed change state by engaging and operating either the switching clutch C0 or the switching brake ⁇ 0.
- a stepped gear shifting state that operates as a machine is configured, and the differential portion 11 and the automatic transmission portion 7 2 that are set to a continuously variable shifting state by engaging neither the switching clutch C 0 nor the switching brake ⁇ 0 operates as an electric continuously variable transmission
- a step shift state is configured.
- the transmission mechanism 70 is switched to the stepped shift state by engaging and operating either the switching clutch CO or the switching brake B 0, and both the switching clutch C 0 and the switching brake B 0 are engaged.
- the shift clutch C 0, the first clutch C 1, and the second brake B 2 are engaged to change the speed.
- the engagement of C 2 establishes the third speed gear stage in which the speed ratio 3 is smaller than that of the second speed gear stage, for example, about “1.0 00”, and the first clutch C 1, Due to the engagement of the clutch C 2 and the switching brake B 0, the gear ratio 4 is smaller than the third gear stage, for example, about “0.7.05”.
- a 4th gear is established. Further, due to the engagement of the second clutch C 2 and the second brake B 2, the transmission gear ratio R is a value between the first speed gear stage and the second speed gear stage, for example, about “2.3 9 3”. The reverse gear is established. When the neutral “N” state is set, for example, only the switching clutch C 0 is engaged.
- a transmission mechanism 70 comprising a differential unit 11 that functions as a continuously variable transmission unit or a first transmission unit and an automatic transmission unit 7 that functions as a stepped transmission unit or a first transmission unit.
- Fig. 2 shows a collinear diagram that can represent on a straight line the relative relationship between the rotational speeds of the rotating elements that are connected in different gear stages.
- the four vertical lines Y4, Y5, Y6, Y7 of the automatic transmission unit 7 2 in Fig. 9 correspond to the fourth rotation element (fourth element) R ⁇ 4 and are connected to each other in order from the left.
- the first sun gear S 2 and the third sun gear S 3 correspond to the third carrier CA 3 corresponding to the fifth rotation element (fifth element) RE 5, and the sixth rotation element (sixth element) RE 6
- the second carrier CA2 and the third ring gear R3 connected to each other represent the second ring gear R1 corresponding to the seventh rotation element (seventh element) RE7.
- the fourth rotating element RE 4 is selectively connected to the transmission member 18 via the second clutch C 2 and is selectively connected to the case 12 via the first brake B 1.
- the fifth rotating element RE 5 is selectively connected and connected to the case 12 via the second brake B 2 and the sixth rotating element RE 6 is connected to the output shaft 22 of the automatic transmission unit 72.
- the seventh rotating element RE 7 is selectively coupled to the transmission member 18 via the first clutch C 1.
- the vertical line Y indicating the rotational speed of the seventh rotating element RE 7 is obtained by engaging the first clutch C 1 and the second brake B 2.
- the diagonal straight line L 1 passing through the intersection of the horizontal line X and the vertical line Y 5 indicating the rotation speed of the fifth rotating element RE 5 CA3
- the rotational speed of the first speed output shaft 22 is shown at the intersection with the vertical line Y 6 indicating the rotational speed of the sixth rotational element RE 6 (CA2, R 3).
- an oblique straight line L 2 determined by engaging the first clutch C 1 and the first brake B 1 and a vertical line indicating the rotational speed of the sixth rotating element RE 6 connected to the output shaft 2 2.
- the rotation speed of the 2nd speed output shaft 2 2 is shown at the intersection with Y6, and the horizontal straight line L '3 and the output shaft 2 2 determined by engaging the first clutch C 1 and the second clutch C Rotating speed of output shaft 12 of the 3rd speed at the intersection with the vertical line Y 6 indicating the rotating speed of RE 6 Is shown.
- the result shift clutch C 0 is that has been engaged, the power input from the differential unit 1 1 to the seventh rotary element RE 7 at the same speed as the engine speed N E Is done.
- the switching brake B 0 is engaged instead of the switching clutch C 0, the power from the differential unit 1 1 is input at a rotational speed higher than the engine rotational speed N E.
- the rotation speed of the output shaft 22 of the 4th speed is shown at the intersection with the vertical line Y6.
- the speed change mechanism 70 of this embodiment also includes a differential part 11 that functions as a continuously variable transmission part or a first transmission part, and an automatic transmission part 7 2 that functions as a stepped transmission part or a first transmission part. Therefore, the same effect as the above-described embodiment can be obtained.
- Fig. 20 shows the selection of switching between the differential state and non-differential state (locked state) of the power distribution mechanism 16 by manual operation, that is, switching between the continuously variable transmission state and the stepped transmission state of the transmission rod structure 10.
- This is an example of a seesaw type switch 44 (hereinafter referred to as a switch 44) as a shift state manual selection device, and is provided in a vehicle so that it can be manually operated by a user.
- This switch 44 allows the user to select vehicle travel in a desired speed change state, and is a continuously variable variable speed travel command button displayed as continuously variable of the switch 44 corresponding to continuously variable speed travel.
- the continuously variable-speed travel that is, the speed change mechanism 1 0 can be operated as an electric continuously variable transmission. It is possible to select whether to enter a continuously variable transmission state, or a stepped transmission state, that is, a stepped transmission state in which the transmission mechanism 10 can operate as a stepped transmission.
- the automatic switching control operation of the shift state of the speed change mechanism 10 based on the change of the vehicle state has been described from the relationship diagram of FIG. 7, for example.
- the speed change state of the speed change mechanism 10 is controlled manually. That is, the switching control means 50 is connected to the switch 4 4
- the transmission mechanism 10 is preferentially switched between the continuously variable transmission state and the stepped transmission state in accordance with the selection operation of the stepless transmission state or the stepped transmission state. For example, if the user desires to drive a continuously variable transmission with a fuel efficiency improvement effect, the transmission mechanism
- Manual selection is performed so that 0 is set to a continuously variable transmission state.
- the user selects by a manual operation as the transmission mechanism 1 0 is placed in the step-variable shifting state if desired changes in the rhythmic engine rotational speed N E due to the shifting of the stepped transmission.
- the engine control condition is satisfied by the hybrid control means 52 even if the switching control means 50 is operated to select the switch 44 so that the speed change mechanism 10 is in the stepped speed change state.
- a constant engine rotational speed region N ER is rapidly transit where the engine start stop control means 8 0 , Keep the shifting state of the differential unit 1 1 preferentially in the continuously variable shifting state, or release the switching clutch C 0 or the switching brake B 0 to give priority to the shifting state of the differential unit 1 1 (forced) To a continuously variable speed.
- the switching control means 50 is satisfied with the hybrid stop!] Means 52.
- the difference between the engine start / stop control means 80 and the engine start / stop control means 80 so that the predetermined engine speed region N ER can be quickly passed. Maintain the shifting state of the moving part 1 1 preferentially in the continuously variable shifting state, or release the switching clutch C 0 or the switching brake B 0 so that the shifting state of the differential part 1 1 is prioritized (forced). Set to the step shifting state.
- the switch 44 when the switch 44 is provided with a neutral position in which neither continuously variable speed traveling nor stepped speed variable traveling is selected, it is desired that the switch 44 is in the neutral position, that is, desired by the user.
- the speed change state to be selected is not selected, or when the desired speed change state is automatic switching, it is only necessary to execute the automatic speed change control operation of the speed change mechanism 10.
- the stepped shift state determining means 8 6 determines whether or not the differential unit 11 is in the stepped shift state by the switching control means 50.
- the speed change mechanism 1 0 is determined by whether there is a step-variable shifting state, for example stepped control based on the vehicle condition represented by Figure 7 shows to switching diagram with the vehicle speed V and the output torque T Omikuron'upushirontau You may determine by whether it is in an area
- the continuously variable transmission state determining means 8 9 determines whether or not the differential section 11 is in the continuously variable transmission state by the switching control means 50. Judgment was made based on whether or not the transmission ⁇ 1 0 was in a continuously variable transmission state. For example, from the switching diagram shown in FIG. 7, continuously controlled based on the vehicle state represented by the vehicle speed V and output torque ⁇ . You may determine by whether it is in an area
- the engine start / stop control means 80 is for starting and stopping the engine 8, but in the first embodiment, it functions as an engine start control means for starting at least the engine 8.
- the engine stop control means for stopping the engine 8 may be provided separately from the engine start control means.
- the engine start / stop control means 80 is for starting and stopping the engine 8, but in the second embodiment, it can function as at least an engine stop control means for stopping the engine 8.
- the engine start control means for starting the engine 8 may be provided separately from the engine stop control means.
- the engine start / stop control means 80 increased the engine speed N E using the first motor M l and started the engine, but increased the engine speed N E using a motor dedicated to engine start. The engine may be started.
- the engine start / stop control means 80 reduced the engine rotation speed N E using the first motor M l and stopped the engine, but reduced the engine rotation speed NE using a motor dedicated to engine stop. You may stop the engine. Alternatively, the engine start / stop control means 80 may lower the engine rotation speed N E by lowering the first motor rotation speed N M , before the fuel cutlet. 6
- the transmission mechanisms 10 and 70 in the above-described embodiment are configured so that the differential unit 11 (power distribution mechanism 16) can operate as an electric continuously variable transmission and the non-operation state. By switching to a non-differential state (locked state), it is possible to switch between a continuously variable transmission state and a stepped transmission state. 1 is switched between the differential state and the non-differential state.
- the differential unit 1 1 does not necessarily need to be configured to be switchable between the continuously variable transmission state and the stepped transmission state, and the transmission mechanism 1 0, 7 0 (differential unit 1 1, power distribution mechanism 1 6) Can be switched between a differential state and a non-differential state, the present invention can be applied.
- the first carrier CA 1 is connected to the engine 8, the first sun gear S 1 is connected to the first electric motor M 1, and the first ring gear R 1 is connected to the transmission member 1.
- the connection relationship between them is not necessarily limited to that.
- the engine 8, the first motor M l, and the transmission member 18 are composed of three elements CA of the first planetary gear unit 24. It can be connected to any one of 1, S 1 and R 1.
- the engine 8 is directly connected to the input shaft 14.
- the engine 8 only needs to be operatively connected via a gear, a belt, etc., and is disposed on a common shaft center. There is no need.
- the first motor M 1 and the second motor M 2 are arranged concentrically with the input shaft 14, and the first motor M 1 is connected to the first sun gear S 1 and is connected to the second motor M 2. Is connected to the transmission member 18, but is not necessarily arranged as such.
- the first motor M 1 is operatively connected to the first sun gear S 1 via a gear, a belt, a speed reducer, or the like.
- the second electric motor M 2 may be connected to the transmission member 18.
- the second electric motor M 2 is connected to the transmission member 18, but may be connected to the output shaft 12, or may be connected to the rotating member in the automatic transmission units 20, 72. Also good. 7
- a configuration in which the second motor M 2 is connected to the transmission member 18, the output shaft 22, etc. via gears, belts, reduction gears, etc. is also provided in the power transmission path from the transmission member to the drive wheels. -A mode.
- the power distribution mechanism 16 described above is provided with the switching clutch C 0 and the switching brake B 0, both the switching clutch C 0 and the switching brake B 0 are not necessarily provided.
- the above-mentioned switching clutch CO selectively connects the sun gear S 1 and the carrier CA 1, but is connected between the sun gear S 1 and the ring gear R 1 or between the carrier CA 1 and the ring gear R 1. It may be one that selectively connects the gaps. In short, any one of the three elements of the first planetary gear unit 24 may be connected to each other.
- the switching clutch C 0 is engaged when the neutral “N” is set, but it is not always necessary to be engaged.
- the hydraulic friction engagement devices such as the switching clutch C 0 and the switching brake B 0 are magnetic powder type electromagnetic methods such as powder (magnetic powder) clutches, electromagnetic clutches, and meshing type dog clutches. It may be composed of a mechanical engagement device.
- the first clutch C that constitutes a part of the automatic transmission units 20 and 72 as an engagement device that selectively switches the power transmission path between the power transmission enabled state and the power transmission cut-off state.
- the first clutch C 1 and the second clutch C 2 were used, and the first clutch C 1 and the second clutch C 2 were disposed between the automatic transmission units 20 and 72 and the differential unit 11 1.
- the first clutch C 1 and the second clutch C 2 are not necessarily required, and at least one engagement device that can selectively switch the power transmission path between the power transmission enabled state and the power transmission cut-off state is provided. That's fine.
- the engaging device may be connected to the output shaft 22 or may be connected to a rotating member in the automatic transmission units 20 and 72. Further, the engaging device does not need to constitute part of the automatic transmission units 20 and 72, and may be provided separately from the automatic transmission unit 20.7.
- the automatic transmission units 20, 7 are provided in the power transmission path between the differential member 11, that is, the transmission member 18, which is an output member of the power distribution mechanism 16, and the drive wheels 3, 8.
- a continuously variable transmission which is a type of automatic transmission
- An automatic transmission that is well-known as a dynamic transmission and is a continuously coupled parallel two-shaft type, but the gear stage can be automatically switched by a select cylinder and a shift cylinder.
- Other types of power transmission devices (transmissions) such as a mating type manual transmission may be provided.
- the power distribution mechanism 16 is brought into a constant speed change state, and the stepped speed change state is made as a whole.
- the stepped speed change state means that power is transmitted exclusively through a mechanical transmission path without using an electric path.
- a plurality of fixed gear ratios are stored in advance so as to correspond to the gear positions in the stepped transmission, and the automatic transmission unit 20 is used by using the plurality of fixed gear ratios. , 72 may be changed.
- the present invention can be applied even if the automatic transmission units 20 and 72 are not necessarily provided.
- the transmission gear 15 material 18 and the drive A power transmission path with the wheel 38 is provided with a single engagement device, and the power transmission path is switched between a power transmission enable state and a power transmission cutoff state by controlling the engagement and release of the engagement device.
- the automatic transmission units 20 and 72 are connected in series with the differential unit 11 via the transmission member 18.
- a counter shaft is provided in parallel with the input shaft 14.
- the automatic transmission units 20 and 72 may be arranged concentrically on the counter shaft.
- the differential unit 11 and the automatic transmission units 20 and 7 2 are connected via, for example, a pair of transmission members including a pair of gears as a transmission member 18 and a sprocket and a chain. Then, they are connected so that power can be transmitted.
- the power distribution mechanism 16 as the differential mechanism of the above-described embodiment includes, for example, a pinion that is rotationally driven by an engine and a pair of bevel gears meshing with the pinion. It may be a differential gear unit operatively connected to the motor M2. '
- the power distribution mechanism 16 of the above-described embodiment is composed of one set of planetary gear units, but is composed of two or more planetary gear units, and is 3 in the non-differential state (constant speed change state). It may function as a transmission having more than one stage.
- the planetary gear The device is not limited to the single pinion type, and may be a double pinion type planetary gear device.
- the switching device 90 of the above-described embodiment includes the shift lever 92 that is operated to select a plurality of types of shift positions.
- a push button type This switch is a switch that can select multiple types of shift positions, such as a slide-type switch, or a device that can switch between multiple types of shift positions in response to the driver's voice regardless of manual operation and multiple operations by foot operation. A device that can switch several types of shift positions may be used.
- the shift lever 92 is operated to the “M” position, the shift range is set, but the shift stage is set, that is, the highest speed shift stage of each shift range is set as the shift stage. May be.
- the automatic transmission units 20 and 72 change gears and execute a shift.
- the shift lever 9 2 is manually operated to the upshift position “10” or the downshift position “1” in the “M” position
- the automatic transmission unit 20 has the first to fourth gears.
- One of the stages is set according to the operation of the shift lever.
- the switch 44 in the above-described embodiment is a seesaw type switch.
- a push button type switch a single push button type switch that can hold a pressed state only, a lever Any switch that can switch at least between continuously variable shifting (differential state) and stepped variable shifting (non-differential state), such as a set switch or a slide switch, may be used.
- a neutral position is provided in switch 44, a switch that can select whether the selection state of switch 44 is valid or invalid, that is, equivalent to the neutral position, is provided separately from switch 44. May be.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Structure Of Transmissions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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DE112006000524.3T DE112006000524B4 (de) | 2005-03-04 | 2006-03-03 | Steuervorrichtung für eine Antriebsvorrichtung für ein Fahrzeug |
CN2006800071250A CN101133268B (zh) | 2005-03-04 | 2006-03-03 | 车用驱动设备的控制设备 |
US11/817,726 US7771309B2 (en) | 2005-03-04 | 2006-03-03 | Control device for vehicle drive device |
Applications Claiming Priority (4)
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JP2005-061570 | 2005-03-04 | ||
JP2005061570 | 2005-03-04 | ||
JP2005184437A JP4259494B2 (ja) | 2005-03-04 | 2005-06-24 | 車両用駆動装置の制御装置 |
JP2005-184437 | 2005-06-24 |
Publications (1)
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WO2006093356A1 true WO2006093356A1 (ja) | 2006-09-08 |
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PCT/JP2006/304675 WO2006093356A1 (ja) | 2005-03-04 | 2006-03-03 | 車両用駆動装置の制御装置 |
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US (1) | US7771309B2 (ja) |
JP (1) | JP4259494B2 (ja) |
CN (1) | CN101133268B (ja) |
DE (1) | DE112006000524B4 (ja) |
WO (1) | WO2006093356A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8007402B2 (en) * | 2007-04-20 | 2011-08-30 | Toyota Jidosha Kabushiki Kaisha | Control apparatus for hybrid vehicle drive system |
US8052570B2 (en) * | 2007-09-14 | 2011-11-08 | Toyota Jidosha Kabushiki Kaisha | Control device for vehicular power transmitting apparatus |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4840135B2 (ja) * | 2006-12-30 | 2011-12-21 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
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US7463968B2 (en) * | 2007-05-03 | 2008-12-09 | Gl Global Technology Operations, Inc. | Method and apparatus to control engine stop for a hybrid powertrain system |
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US8292012B2 (en) * | 2008-06-30 | 2012-10-23 | GM Global Technology Operations LLC | Apparatus and method for a quick start engine and hybrid system |
US9764726B2 (en) | 2009-01-02 | 2017-09-19 | Ford Global Technologies, Llc | Methods and systems for assisted direct start control |
JP4726966B2 (ja) * | 2009-01-30 | 2011-07-20 | エンパイア テクノロジー ディベロップメント エルエルシー | ハイブリッド車両用駆動装置、ハイブリッド車両及び駆動方法 |
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US11846085B2 (en) | 2020-02-17 | 2023-12-19 | Deere & Company | Energy management system for a hybrid vehicle with an electrically powered hydraulic system |
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US11820361B2 (en) | 2021-11-30 | 2023-11-21 | Deere & Company | Transmission assembly with electrical machine unit for improved shift quality |
US11585412B1 (en) | 2021-12-22 | 2023-02-21 | Deere & Company | Electronically-variable, dual-path power shift transmission for work vehicles |
US11607948B1 (en) | 2021-12-22 | 2023-03-21 | Deere & Company | Electronically-variable power shift transmission for work vehicles |
US11913528B1 (en) | 2022-10-28 | 2024-02-27 | Deere & Company | Multi-mode continuously variable transmission assembly with drop set arrangement |
CN117780888B (zh) * | 2023-12-27 | 2024-07-26 | 山东卫禾传动股份有限公司 | 拖拉机hmt机械液压无级变速箱 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0932707A (ja) * | 1995-07-24 | 1997-02-04 | Hino Motors Ltd | エンジンの強制停止装置 |
JPH1182088A (ja) * | 1997-09-04 | 1999-03-26 | Hino Motors Ltd | ハイブリッド自動車のエンジン停止方法および装置 |
JP2000006676A (ja) * | 1998-06-23 | 2000-01-11 | Honda Motor Co Ltd | ハイブリッド車両 |
JP2000209706A (ja) * | 1999-01-13 | 2000-07-28 | Toyota Motor Corp | 動力出力装置およびハイブリッド車両並びにその制御方法 |
JP2003127679A (ja) * | 2001-10-22 | 2003-05-08 | Toyota Motor Corp | クランキング支持トルク増大手段付きhv駆動構造および方法 |
JP2004042834A (ja) * | 2002-07-15 | 2004-02-12 | Nissan Motor Co Ltd | 車両の駆動制御装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3045019B2 (ja) | 1994-10-21 | 2000-05-22 | トヨタ自動車株式会社 | ハイブリッド電気自動車の発電制御装置 |
JP3129204B2 (ja) | 1995-10-18 | 2001-01-29 | トヨタ自動車株式会社 | ハイブリッド駆動装置 |
JP3456329B2 (ja) * | 1995-12-08 | 2003-10-14 | アイシン・エィ・ダブリュ株式会社 | 車両用駆動装置の制御装置 |
JP3554435B2 (ja) * | 1996-06-27 | 2004-08-18 | 本田技研工業株式会社 | 車両のアンチロックブレーキ制御装置 |
JP4171948B2 (ja) | 1999-04-27 | 2008-10-29 | 株式会社デンソー | 車両用動力装置 |
JP3747842B2 (ja) | 2001-11-27 | 2006-02-22 | トヨタ自動車株式会社 | 変速機を備えたハイブリッド車駆動構造の運転方法 |
JP3815401B2 (ja) | 2002-08-09 | 2006-08-30 | アイシン・エィ・ダブリュ株式会社 | ハイブリッド車用の制御装置 |
JP4193623B2 (ja) | 2003-07-29 | 2008-12-10 | トヨタ自動車株式会社 | 駆動装置およびその制御方法並びに自動車 |
US6953409B2 (en) | 2003-12-19 | 2005-10-11 | General Motors Corporation | Two-mode, compound-split, hybrid electro-mechanical transmission having four fixed ratios |
US7607220B2 (en) | 2004-03-22 | 2009-10-27 | Gm Global Technology Operations, Inc. | Method for establishing electrical connections in a hybrid electro-mechanical transmission |
US7276006B2 (en) | 2004-03-22 | 2007-10-02 | General Motors Corporation | Transmission case for lube return and method |
US7129595B2 (en) | 2004-03-22 | 2006-10-31 | General Motors Corporation | Hybrid electro-mechanical vehicular transmission having multiple modular motor/generators assembled from like components |
US7810622B2 (en) | 2004-03-22 | 2010-10-12 | Gm Global Technology Operations, Inc. | Transmission clutches |
US7255021B2 (en) | 2004-03-22 | 2007-08-14 | General Motors Corporation | Apparatus for selectively configuring a hybrid electro-mechanical vehicular transmission |
JP4192911B2 (ja) * | 2005-03-29 | 2008-12-10 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
WO2006123841A1 (ja) * | 2005-05-19 | 2006-11-23 | Toyota Jidosha Kabushiki Kaisha | 車両用駆動装置の制御装置 |
JP4998164B2 (ja) * | 2007-09-14 | 2012-08-15 | トヨタ自動車株式会社 | 車両用動力伝達装置の制御装置 |
-
2005
- 2005-06-24 JP JP2005184437A patent/JP4259494B2/ja active Active
-
2006
- 2006-03-03 DE DE112006000524.3T patent/DE112006000524B4/de not_active Expired - Fee Related
- 2006-03-03 US US11/817,726 patent/US7771309B2/en active Active
- 2006-03-03 CN CN2006800071250A patent/CN101133268B/zh not_active Expired - Fee Related
- 2006-03-03 WO PCT/JP2006/304675 patent/WO2006093356A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0932707A (ja) * | 1995-07-24 | 1997-02-04 | Hino Motors Ltd | エンジンの強制停止装置 |
JPH1182088A (ja) * | 1997-09-04 | 1999-03-26 | Hino Motors Ltd | ハイブリッド自動車のエンジン停止方法および装置 |
JP2000006676A (ja) * | 1998-06-23 | 2000-01-11 | Honda Motor Co Ltd | ハイブリッド車両 |
JP2000209706A (ja) * | 1999-01-13 | 2000-07-28 | Toyota Motor Corp | 動力出力装置およびハイブリッド車両並びにその制御方法 |
JP2003127679A (ja) * | 2001-10-22 | 2003-05-08 | Toyota Motor Corp | クランキング支持トルク増大手段付きhv駆動構造および方法 |
JP2004042834A (ja) * | 2002-07-15 | 2004-02-12 | Nissan Motor Co Ltd | 車両の駆動制御装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8007402B2 (en) * | 2007-04-20 | 2011-08-30 | Toyota Jidosha Kabushiki Kaisha | Control apparatus for hybrid vehicle drive system |
US8052570B2 (en) * | 2007-09-14 | 2011-11-08 | Toyota Jidosha Kabushiki Kaisha | Control device for vehicular power transmitting apparatus |
Also Published As
Publication number | Publication date |
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DE112006000524B4 (de) | 2017-02-02 |
US20090048050A1 (en) | 2009-02-19 |
JP2006273305A (ja) | 2006-10-12 |
CN101133268B (zh) | 2013-03-27 |
JP4259494B2 (ja) | 2009-04-30 |
US7771309B2 (en) | 2010-08-10 |
CN101133268A (zh) | 2008-02-27 |
DE112006000524T5 (de) | 2008-04-30 |
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