WO2022181409A1 - 車両用駆動装置 - Google Patents
車両用駆動装置 Download PDFInfo
- Publication number
- WO2022181409A1 WO2022181409A1 PCT/JP2022/006119 JP2022006119W WO2022181409A1 WO 2022181409 A1 WO2022181409 A1 WO 2022181409A1 JP 2022006119 W JP2022006119 W JP 2022006119W WO 2022181409 A1 WO2022181409 A1 WO 2022181409A1
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- Prior art keywords
- torque
- control
- transmission
- automatic transmission
- shift
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
- B60W2710/027—Clutch torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/105—Output torque
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
-
- 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
Definitions
- the present invention provides an input member that is drivingly connected to an internal combustion engine provided in a vehicle, an output member that is drivingly connected to wheels of the vehicle, a rotating electric machine that functions as a driving force source for the wheels, and transmission from the rotating electric machine side.
- a vehicle comprising an automatic transmission that shifts rotation and transmits it to an output member, an engagement device that connects and disconnects power transmission between the rotating electric machine and the automatic transmission, and a control device that controls them Regarding the drive.
- Patent Document 1 discloses an input member (34) drivingly connected to an internal combustion engine (14), an output member (22) drivingly connected to wheels (28), a first rotating electric machine (MG1), a second rotating electrical machine (MG2); an automatic transmission (20) that changes the speed of rotation transmitted from these rotating electrical machines and transmits it to the output member (22); a distributing differential gear mechanism (32) for distributing the driving force of the internal combustion engine (14) to the first rotary electric machine (MG1) and the automatic transmission (20); disclosed.
- Reference numerals shown in parentheses in the description of the background art are those of Patent Document 1.
- the automatic transmission (20) is moved from the rotary electric machine (MG1, MG2) side by the operation of the accelerator pedal by the driver while the automatic transmission (20) is switching gears. ) increases, torque reduction control is executed to reduce the torque transmitted to the automatic transmission (20).
- Torque down control reduces the torque transmitted to the automatic transmission (20) by limiting the output torque of the internal combustion engine (14) and the rotating electrical machines (MG1, MG2). According to such torque reduction control, the torque that can be transmitted to the output member (22) due to the shift operation of the automatic transmission (20) temporarily decreases, resulting in An excessive increase in the input rotation speed can be suppressed.
- the torque that is transmitted to the automatic transmission is reduced by the above-described torque down control.
- the torque transmitted to the automatic transmission can be reduced by limiting the output torque of the rotary electric machine and the internal combustion engine.
- the torque transmitted to the automatic transmission is determined by the transmission torque of the engagement device. The transmitted torque cannot be adequately reduced.
- the characteristic configuration of the vehicle drive system is as follows. an input member drivingly connected to an internal combustion engine of the vehicle; an output member drivingly connected to a wheel of the vehicle; a rotating electrical machine that functions as a driving force source for the wheels; A plurality of gear stages can be selectively formed, and the rotation transmitted from the rotating electric machine is shifted at a gear ratio corresponding to the formed gear stage among the plurality of gear stages to output the output.
- an automatic transmission that transmits to the side of the member; an engaging device that connects and disconnects power transmission between the rotating electric machine and the automatic transmission; a control device that controls the rotating electric machine, the automatic transmission, and the engagement device;
- a torque required to be transmitted from the rotary electric machine to the automatic transmission via the engagement device is defined as a required torque
- the control device is Torque response slip control in which the engagement device is placed in a slip engagement state so that the transmission torque of the engagement device has a magnitude corresponding to the required torque, and shift control for switching the gear of the automatic transmission; transmission torque limit control for limiting the transmission torque of the engagement device to a limit value smaller than the required torque, When executing the shift control, if the torque response slip control is being executed, the transmission torque limit control is executed instead of the torque response slip control.
- the transmission torque of the engagement device is limited to a limit value smaller than the required torque.
- the torque transmitted to the automatic transmission is determined by the transmission torque of the engagement device. Therefore, by restricting the transmission torque of the engagement device to the limit value or less as described above, the required torque increases while the engagement device is in the slip engagement state and the automatic transmission is switching gears. Even in this case, it is possible to appropriately limit the torque transmitted to the automatic transmission. As a result, it is possible to suppress an excessive increase in the input rotation speed of the automatic transmission due to a temporary decrease in the torque that can be transmitted to the output member due to the shift operation of the automatic transmission.
- FIG. 1 is a skeleton diagram of a vehicle drive system according to an embodiment
- 1 is a control block diagram of a vehicle drive system according to an embodiment
- FIG. 2 is a time chart showing an example of control processing of a control device when garage shift is executed;
- the vehicle drive system 100 is a system for driving a vehicle (hybrid vehicle) that uses one or both of an internal combustion engine EG and a rotating electric machine MG as a driving force source for wheels W.
- the vehicle drive device 100 is configured as a drive device for a so-called one-motor parallel hybrid vehicle.
- the vehicle drive device 100 includes an input member I, an output member O, a rotating electrical machine MG, an automatic transmission TM, and a first engagement device CL1.
- the vehicle drive device 100 further includes a second engagement device CL2, a counter gear mechanism CG, and a differential gear mechanism DF. And these are accommodated in the case 1 in this embodiment. A part of the input member I is exposed outside the case 1 .
- the rotating electrical machine MG includes a stator ST fixed to a non-rotating member (here, case 1) and a rotor RT supported rotatably relative to the stator ST.
- the rotary electric machine MG functions as a driving force source for the wheels W.
- the rotary electric machine MG has a function as a motor (electric motor) that receives power supply and generates power, and a function as a generator (generator) that receives power supply and generates power. Therefore, the rotary electric machine MG is electrically connected to a power storage device (battery, capacitor, etc.).
- the rotary electric machine MG is powered by being supplied with electric power from the power storage device, or supplies electric power generated by the torque of the internal combustion engine EG or the inertial force of the vehicle to the power storage device and stores it.
- the internal combustion engine EG functions as a driving force source for the wheels W, similar to the rotating electric machine MG.
- the internal combustion engine EG is a prime mover (gasoline engine, diesel engine, etc.) that is driven by combustion of fuel to take out power.
- the input member I is drivingly connected to an internal combustion engine EG provided in the vehicle.
- the input member I is preferably drivingly connected to the output shaft (crankshaft, etc.) of the internal combustion engine EG via a damper device (not shown) that dampens fluctuations in the torque to be transmitted.
- driving connection refers to a state in which two rotating elements are connected so as to be able to transmit a driving force, and the two rotating elements are connected so as to rotate integrally. It includes a state in which two rotating elements are connected so as to be able to transmit driving force via one or more transmission members.
- Such transmission members include various members that transmit rotation at the same speed or at different speeds, such as shafts, gear mechanisms, belts, and chains.
- the transmission member may include an engagement device for selectively transmitting rotation and driving force, such as a friction engagement device and a mesh type engagement device.
- the first engagement device CL1 is an "engagement device” that connects and disconnects power transmission between the rotary electric machine MG and the automatic transmission TM.
- the first engagement device CL1 is configured to connect and disconnect power transmission between the rotor RT of the rotary electric machine MG and the shift input shaft Ta, which is the input element of the automatic transmission TM.
- the first engagement device CL1 includes an input element that is a rotating element on the side of the input member I and the rotary electric machine MG, and an output element that is a rotating element on the side of the automatic transmission TM. It is a friction engagement device in which the state of engagement (direct engagement state/slip engagement state/released state) is controlled according to.
- the "direct engagement state” is an engagement state in which there is no rotational speed difference between the input element and the output element of the friction engagement device.
- a “slip engagement state” is an engagement state in which there is a rotational speed difference between the input element and the output element of the friction engagement device.
- the second engagement device CL2 is configured to connect and disconnect power transmission between the input member I and the rotary electric machine MG.
- the second engagement device CL2 is also a frictional engagement device like the first engagement device CL1.
- the automatic transmission TM is configured to selectively form a plurality of gear stages.
- the automatic transmission TM is an automatic stepped transmission provided with a plurality of shift engaging devices CLt (see FIG. 2) for forming a plurality of gear stages.
- the automatic transmission TM is configured to be switchable to a neutral state in which none of the gear stages are formed.
- the automatic transmission TM transmits the rotation transmitted from the rotary electric machine MG side to the output member O side after shifting the rotation at a gear ratio corresponding to the gear stage formed among the plurality of gear stages.
- the automatic transmission TM changes the speed of the rotation input to the speed change input shaft Ta and transmits it to the speed change output gear G1, which is the output element of the automatic transmission TM.
- the counter gear mechanism CG includes a counter input gear G2 and a counter output gear G3.
- the counter input gear G2 is an input element of the counter gear mechanism CG.
- the counter input gear G2 meshes with the transmission output gear G1.
- the counter output gear G3 is an output element of the counter gear mechanism CG.
- the counter output gear G3 is connected to rotate integrally with the counter input gear G2.
- the counter output gear G3 is connected to the counter input gear G2 via a counter shaft S, which is a shaft member.
- the differential gear mechanism DF has a differential input gear G4 that meshes with the counter output gear G3 of the counter gear mechanism CG.
- the differential gear mechanism DF distributes the rotation of the differential input gear G4 to the pair of wheels W via the pair of drive shafts DS.
- the differential input gear G4 corresponds to the output member O drivingly connected to the wheels W of the vehicle.
- the vehicle drive system 100 includes a control device 10 that controls the rotary electric machine MG, the automatic transmission TM, and the first engagement device CL1.
- the control device 10 includes a main control unit 11, an internal combustion engine control unit 12 that controls the internal combustion engine EG, a rotating electrical machine control unit 13 that controls the rotating electrical machine MG, a first engagement device CL1, a second An engagement control unit 14 that controls the engagement states of the two-engagement device CL2 and the shift engagement device CLt is provided.
- the main control unit 11 outputs commands to the internal combustion engine control unit 12, the rotating electric machine control unit 13, and the engagement control unit 14, respectively, to control the devices that each control unit is in charge of.
- the internal combustion engine control unit 12 controls the internal combustion engine EG so that the internal combustion engine EG outputs the target torque commanded by the main control unit 11 or achieves the target rotation speed commanded by the main control unit 11. do.
- the rotating electrical machine control unit 13 controls the rotating electrical machine MG so that the rotating electrical machine MG outputs the target torque commanded by the main control unit 11 or achieves the target rotational speed commanded by the main control unit 11. do.
- the engagement control unit 14 controls the first engagement device CL ⁇ b>1 , the second engagement device CL ⁇ b>2 , and the shift engagement device CLt so that each of the first engagement device CL ⁇ b>1 , the second engagement device CL ⁇ b>2 , and the shift engagement device CLt is in the engaged state instructed by the main control unit 11 . It controls actuators (not shown) for operating the first engagement device CL1, the second engagement device CL2, and the shift engagement device CLt.
- the main control unit 11 is configured to be able to acquire information from sensors provided in each part of the vehicle in order to acquire information of each part of the vehicle in which the vehicle drive device 100 is mounted.
- the main control unit 11 acquires information from the input rotational speed sensor Se1, the shift input rotational speed sensor Se2, the vehicle speed sensor Se3, the accelerator operation amount sensor Se4, the brake operation amount sensor Se5, and the shift position sensor Se6. configured as possible.
- the input rotation speed sensor Se1 is a sensor for detecting the input rotation speed, which is the rotation speed of the input member I.
- the main control section 11 calculates the input rotation speed based on the detection signal of the input rotation speed sensor Se1.
- the shift input rotational speed sensor Se2 is a sensor for detecting the shift input rotational speed Nt, which is the rotational speed of the shift input shaft Ta of the automatic transmission TM.
- the main control section 11 calculates the shift input rotation speed Nt based on the detection signal of the shift input rotation speed sensor Se2.
- the vehicle speed sensor Se3 is a sensor for detecting the traveling speed (vehicle speed) of the vehicle in which the vehicle drive device 100 is mounted.
- the vehicle speed sensor Se3 is a sensor for detecting the rotation speed of the output member O.
- the main control section 11 calculates the rotation speed of the output member O based on the detection signal of the vehicle speed sensor Se3. Since the rotation speed of the output member O is proportional to the vehicle speed, the main control section 11 can calculate the vehicle speed based on the detection signal of the vehicle speed sensor Se3.
- the accelerator operation amount sensor Se4 is a sensor for detecting the operation amount (accelerator opening) of the accelerator pedal provided in the vehicle in which the vehicle drive device 100 is mounted.
- the main control unit 11 calculates the accelerator opening based on the detection signal of the accelerator operation amount sensor Se4.
- the brake operation amount sensor Se5 is a sensor for detecting the amount of operation by the driver of the brake pedal provided in the vehicle in which the vehicle drive device 100 is mounted.
- the main control unit 11 calculates the amount of operation of the brake pedal by the driver based on the detection signal of the brake operation amount sensor Se5.
- the shift position sensor Se6 is a sensor for detecting the selected position (shift position) of the shift lever operated by the driver of the vehicle in which the vehicle drive system 100 is mounted.
- the main control section 11 calculates the shift position based on the detection signal of the shift position sensor Se6.
- the shift lever is configured to select a parking range (P range), a reverse travel range (R range), a neutral range (N range), a forward travel range (D range), and the like.
- the control device 10 is configured to be able to execute torque response slip control, shift control, and transmission torque limit control.
- the torque response slip control is control to put the first engagement device CL1 into a slip engagement state so that the transmission torque T of the first engagement device CL1 has a magnitude corresponding to the required torque Tr.
- the transmission torque T is torque transmitted by the first engagement device CL1.
- the required torque Tr is a torque required to be transmitted from the input member I and the rotary electric machine MG to the automatic transmission TM via the first engagement device CL1.
- the engagement control unit 14 controls the transmission torque T of the first engagement device CL1 to correspond to the required torque Tr commanded by the main control unit 11.
- the 1 engagement device CL1 is brought into the slip engagement state.
- the transmission torque T of the first engagement device CL1 in the slip engagement state is determined according to the engagement pressure between the input element and the output element of the friction engagement device as the first engagement device CL1. Therefore, the engagement control unit 14 controls the engagement pressure of the first engagement device CL1 according to the required torque Tr.
- the shift control is the control to switch the shift stages of the automatic transmission TM.
- the engagement control section 14 controls the states of engagement of the plurality of shift engagement devices CLt so that the automatic transmission TM is in the state commanded by the main control section 11. .
- the engagement control unit 14 controls the engagement states of the plurality of shift engagement devices CLt so that the gear position instructed by the main control unit 11 is formed in the automatic transmission TM.
- the engagement control unit 14 controls engagement states of a plurality of shift engagement devices CLt so that the automatic transmission TM is in a neutral state.
- the transmission torque limit control is a control that limits the transmission torque T of the first engagement device CL1 to a limit value LM or less, which is smaller than the required torque Tr.
- the vehicle drive system 100 an input member I drivingly connected to an internal combustion engine EG provided in the vehicle; an output member O drivingly connected to a wheel W of the vehicle; a rotating electric machine MG that functions as a driving force source for the wheels W; A plurality of gear stages can be selectively formed, and the rotation transmitted from the side of the rotary electric machine MG is changed at a gear ratio corresponding to the formed gear stage among the plurality of gear stages, and the output member O an automatic transmission TM that transmits to the side of a first engagement device CL1 for connecting and disconnecting power transmission between the rotary electric machine MG and the automatic transmission TM; a control device 10 that controls the rotary electric machine MG, the automatic transmission TM, and the first engagement device CL1, A torque required to be transmitted from the rotary electric machine MG to the automatic transmission TM via the first engagement device CL1 is defined as a required torque Tr, The control device 10 Torque response slip control that puts the first engagement device CL1 into a slip engagement state so that the transmission torque T of the first
- transmission control and transmission torque limit control for limiting the transmission torque T of the first engagement device CL1 to a limit value LM smaller than the request torque Tr or less, If torque response slip control is being executed when executing shift control, transmission torque limit control is executed instead of torque response slip control.
- the transmission torque T of the first engagement device CL1 is limited to the limit value LM which is smaller than the required torque Tr.
- the torque transmitted to the automatic transmission TM is determined by the transmission torque T of the first engagement device CL1. Therefore, by limiting the transmission torque T of the first engagement device CL1 to the limit value LM or less as described above, it is possible to prevent the automatic transmission TM from switching gears when the first engagement device CL1 is in the slip engagement state. Even if the required torque Tr increases during execution, the torque transmitted to the automatic transmission TM can be appropriately limited.
- the shift input rotational speed Nt which is the input rotational speed of the automatic transmission TM
- the shift input rotational speed Nt becomes excessive due to a temporary decrease in the torque that can be transmitted to the output member O due to the shift operation of the automatic transmission TM. You can prevent it from rising.
- the limit value LM is a value corresponding to the transmittable torque of the automatic transmission TM during execution of shift control.
- the transmittable torque of the automatic transmission TM during execution of shift control is the maximum torque that can be transmitted by the shift engagement device CLt in the slip engagement state during the shift operation of the automatic transmission TM, that is, is the transmission torque capacity.
- the limit value LM is applied to the transmission torque capacity of the gear shift engagement device CLt that is in the slip-engaged state during execution of the shift control, and the power between the gear shift engagement device CLt and the shift input shaft Ta. It can be set based on the torque multiplied by the gear ratio in the transmission path.
- the transmission torque T of the first engagement device CL1 is limited to the limit value LM corresponding to the transmittable torque of the automatic transmission TM during execution of the shift control.
- the shift input rotational speed Nt which is the input rotational speed of the automatic transmission TM, becomes excessive due to a temporary decrease in the torque that can be transmitted to the output member O due to the shift operation of the automatic transmission TM. It is possible to appropriately suppress the rise.
- the control device 10 gradually increases the limit value LM in the transmission torque limit control in accordance with the timing at which the shift control of the automatic transmission TM completes the shift of the gear position.
- the control device 10 gradually increases the limit value LM at the same time as the shift control of the automatic transmission TM completes the shift of the gear position.
- the control device 10 controls the combined output torque of the internal combustion engine EG and the rotary electric machine MG during execution of the torque response slip control so as to approach the required torque Tr.
- the internal combustion engine control unit 12 controls the internal combustion engine EG so that the combined torque of the internal combustion engine EG and the rotary electric machine MG approaches the required torque Tr
- the rotary electric machine control unit 13 controls the rotary electric machine MG.
- the gear shift control includes downshifting from the second gear stage having a relatively small gear ratio to the first gear stage having a relatively large gear ratio, and shifting the automatic transmission TM from the neutral state to any one of a plurality of gear stages.
- a garage shift that transitions to a state that allows the Then, the control device 10 executes the transmission torque limit control when a prescribed condition is satisfied when downshifting or garage shifting is executed.
- the garage shift normally allows the driver of the vehicle to select the range of the automatic transmission TM from "parking range (P range)” or “neutral range (N range)” to "forward running range (D range)” or " This is executed by switching to the reverse running range (R range).
- the automatic transmission TM is shifted from the neutral state to a plurality of shift stages by the control of the control device 10 in accordance with the running state of the vehicle without depending on the driver's operation. Formation of either shall be included in Garage Shift.
- FIG. 3 is a flowchart showing an example of control processing of the control device 10 when downshifting is executed.
- step #1: Yes the control device 10 starts this control process.
- the engagement control unit 14 starts controlling the plurality of shift engaging devices CLt so that the second gear is switched to the first gear.
- the control device 10 determines whether the vehicle is running while the internal combustion engine EG is operating and the input rotation speed, which is the rotation speed of the input member I, is less than the idle rotation speed of the internal combustion engine EG, or when the vehicle is running. It is determined whether or not the internal combustion engine EG is being started (step #2).
- the main control unit 11 makes the above determination based on the input rotation speed calculated based on the detection signal of the input rotation speed sensor Se1 and the vehicle speed calculated based on the detection signal of the vehicle speed sensor Se3. .
- the control device 10 is controlled whether the vehicle is running with the internal combustion engine EG operating and the input rotation speed is less than the idle rotation speed of the internal combustion engine EG, or when the vehicle is running and the internal combustion engine EG is being started. If it is determined that it is not (Step #2: No), a downshift is executed so that the automatic transmission TM is set to the first speed without executing the transmission torque limit control, and when the downshift is completed ( Step #7: Yes), the control ends.
- control device 10 controls whether the vehicle is running while the internal combustion engine EG is operating and the input rotation speed is less than the idle rotation speed of the internal combustion engine EG, or when the vehicle is running and the internal combustion engine EG is being started. If it is determined that there is (step #2: Yes), it is determined whether or not an increase in accelerator opening has been detected (step #3).
- the main control unit 11 makes the above determination based on the accelerator opening calculated based on the detection signal of the accelerator operation amount sensor Se4.
- step #3: No If the control device 10 does not detect an increase in the accelerator opening (step #3: No), the control device 10 executes a downshift without executing the transmission torque limit control, and when the downshift is completed (step #7: Yes), end the control.
- step #4 determines whether or not the torque response slip control is being executed.
- the above determination is made by the main control section 11 determining whether or not the first engagement device CL1 is in the slip engagement state via the engagement control section 14 .
- step #4: Yes When the control device 10 determines that torque response slip control is being executed (step #4: Yes), it executes transmission torque limit control (step #5).
- the engagement control unit 14 controls the engagement pressure of the first engagement device CL1 so that the transmission torque T of the first engagement device CL1 is limited to the limit value LM or less.
- the limit value LM is set to It is set so as not to exceed the synchronous rotation speed in the first gear.
- step #4: No When the control device 10 determines that the torque response slip control is not being executed (step #4: No), that is, when it determines that the first engagement device CL1 is in the direct engagement state, the wheels W are driven.
- the output torque of the internal combustion engine EG and the rotary electric machine MG as power sources is limited.
- the internal combustion engine control unit 12 controls the internal combustion engine EG and the rotating electric machine control unit 12 controls the internal combustion engine EG so that the combined output torque of the internal combustion engine EG and the rotating electric machine MG is limited to the limit value LM or less. 13 controls the rotary electric machine MG.
- the output torques of the internal combustion engine EG and the rotary electric machine MG which are controlled according to the required torque Tr, are reduced to the limit value LM or less. Restrict.
- the required torque Tr increases while the automatic transmission TM is switching gears, it is possible to appropriately limit the torque transmitted to the automatic transmission TM.
- the shift input rotational speed Nt which is the input rotational speed of the automatic transmission TM, becomes excessive due to a temporary decrease in the torque that can be transmitted to the output member O due to the shift operation of the automatic transmission TM. You can prevent it from rising.
- step #7: No the control device 10 executes the control of steps #2 to #6. Then, when the downshift is completed (step #7: Yes), the control ends.
- FIG. 4 shows the case where the internal combustion engine EG is in operation and the vehicle is driven while the input rotation speed is less than the idle rotation speed of the internal combustion engine EG, or the internal combustion engine EG is started while the vehicle is running.
- 4 is a time chart showing an example of control processing of the control device 10 when downshifting is performed while torque response slip control is being performed;
- the main control section 11 commands the engagement control section 14 to downshift.
- the target engagement pressure (The first engagement pressure command P1, which is the engagement pressure command)
- the target engagement pressure (engagement pressure command)
- the second engagement pressure command P2 decreases.
- the control device 10 executes transmission torque limit control to reduce limit value LM.
- the main control unit 11 increases the required torque Tr as the accelerator opening increases.
- the engagement control unit 14 increases the transmission torque T of the first engagement device CL ⁇ b>1 in accordance with the increase in the required torque Tr commanded by the main control unit 11 .
- the required torque Tr and the transmission torque T reach the limit value LM.
- the main control unit 11 increases the required torque Tr to Tmax according to the accelerator opening.
- the engagement control unit 14 limits the transmission torque T of the first engagement device CL1 so as not to exceed the limit value LM.
- the transmission torque T of the first engagement device CL1 is maintained at the limit value LM.
- the shift input rotation speed Nt excessively increases and exceeds the synchronous rotation speed in the first gear (shift input rotation speed Nt indicated by the dashed line in FIG. 4). ) can be suppressed, and the shift input rotation speed Nt can be gradually increased (see the shift input rotation speed Nt indicated by the solid line in FIG. 4).
- the first engagement pressure command P1 reaches a value required for forming the first gear, and the shift engagement device CLt that forms the first gear is brought into a direct engagement state, whereby a downshift is performed. complete.
- the control device 10 determines that the downshift is completed, the control device 10 gradually increases the limit value LM.
- the control device 10 increases the limit value LM at a constant rate over time.
- the control device 10 ends the transmission torque limit control and returns the limit value LM to the original value. return.
- the plurality of gear stages include a first gear stage and a second gear stage having a smaller gear ratio than the first gear stage
- the control device 10 determines whether the vehicle is running while the internal combustion engine EG is operating and the input rotation speed, which is the rotation speed of the input member I, is less than the idle rotation speed of the internal combustion engine EG, or when the vehicle is running.
- the input rotation speed which is the rotation speed of the input member I
- the idle rotation speed of the internal combustion engine EG or when the vehicle is running.
- Torque response slip control is executed when the vehicle is driven while the internal combustion engine EG is operating and the input rotational speed is less than the idle rotational speed of the internal combustion engine EG, or when the internal combustion engine EG is started while the vehicle is running. It is preferred that Then, when switching from the second gear stage to the first gear stage is executed by the shift control during execution of the torque response slip control resulting from these, if the accelerator opening increases during execution of the shift control, The shift input rotation speed Nt, which is the input rotation speed of the automatic transmission TM, tends to increase excessively. Therefore, by starting the transmission torque limiting control in response to an increase in the accelerator opening of the vehicle, it is possible to appropriately suppress an excessive increase in the shift input rotational speed Nt even when the required torque Tr increases. .
- FIG. 5 is a flowchart showing an example of control processing of the control device 10 when garage shift is executed.
- step #11 when control of the garage shift is started (step #11: Yes), the control device 10 starts this control process.
- the main control unit 11 based on the detection signal of the shift position sensor Se6, shifts the shift lever from the parking range (P range) or neutral range (N range) to the forward travel range (D range) or reverse travel range. (R range), the engagement control unit 14 controls the plurality of shift engagement devices CLt so that the automatic transmission TM is shifted from the neutral state to the state in which the shift stage is formed. to start.
- control device 10 determines whether or not the torque response slip control is being executed (step #12).
- the control device 10 determines that torque response slip control is being executed (step #12: Yes), it executes transmission torque limit control (step #13).
- the engagement control unit 14 controls the engagement pressure of the first engagement device CL1 so that the transmission torque T of the first engagement device CL1 is limited to the limit value LM or less.
- the limit value LM is set so that the amount of heat generated by the first engagement device CL1 resulting from the increase in the shift input rotation speed Nt is less than the specified threshold value.
- it is set so that the running performance of the vehicle is ensured above the prescribed level.
- step #12 determines that the torque response slip control is not being executed (step #12: No), that is, when it determines that the first engagement device CL1 is in the direct engagement state, the wheels W are driven.
- the output torque of the internal combustion engine EG and the rotary electric machine MG as power sources is limited.
- the internal combustion engine control unit 12 controls the internal combustion engine EG and the rotating electric machine control unit 12 controls the internal combustion engine EG so that the combined output torque of the internal combustion engine EG and the rotating electric machine MG is limited to the limit value LM or less. 13 controls the rotary electric machine MG.
- step #15: No the control device 10 executes the control of steps #12 to #14. Then, when the garage shift is completed (step #15: Yes), the control ends.
- FIG. 6 is a time chart showing an example of the control processing of the control device 10 when the garage shift is performed while the torque response slip control is being performed.
- the shift lever is operated from the parking range (P range) or neutral range (N range) to the forward travel range (D range) or reverse travel range (R range).
- the main control unit 11 issues a command to the engagement control unit 14 to form a gear stage.
- the target engagement pressure (engagement pressure command) of the shift engagement devices CLt which is the target engagement pressure (engagement pressure command)
- the target engagement pressure (engagement pressure command) of the plurality of shift engagement devices CLt which shifts from the released state to the engaged state along with the formation of the shift stage, is 1 engagement pressure command P1 increases.
- control device 10 executes transmission torque limit control to reduce the limit value LM.
- the main control unit 11 increases the required torque Tr in accordance with the increase in the accelerator opening.
- the engagement control unit 14 increases the transmission torque T of the first engagement device CL ⁇ b>1 in accordance with the increase in the required torque Tr commanded by the main control unit 11 .
- the required torque Tr and the transmission torque T reach the limit value LM.
- the main control unit 11 increases the required torque Tr to Tmax according to the accelerator opening.
- the engagement control unit 14 limits the transmission torque T of the first engagement device CL1 so as not to exceed the limit value LM.
- the transmission torque T of the first engagement device CL1 is maintained at the limit value LM.
- the first engagement pressure command P1 reaches the value required for forming the gear stage, and the gear shifting engagement device CLt that forms the gear stage enters the direct engagement state, thereby completing the garage shift.
- the control device 10 determines that the garage shift is completed, it gradually increases the limit value LM. In this example, the control device 10 increases the limit value LM at a constant rate over time. Then, at time t16, when the limit value LM and the transmission torque T of the first engagement device CL1 reach the required torque Tr, the control device 10 terminates the transmission torque limit control and returns the limit value LM to the original value. return.
- the automatic transmission TM is configured to be switchable to a neutral state in which no gear is formed.
- shift control for shifting the automatic transmission TM from a neutral state to a state in which any one of a plurality of gear stages is formed is started during execution of torque response slip control
- the control device 10 controls the start of the shift control. Accordingly, transmission torque limit control is started.
- the automatic transmission TM When the automatic transmission TM is controlled to shift from the neutral state to one of a plurality of gear stages, there is a high possibility that the accelerator opening will be increased next and the vehicle will start accelerating. If such shift control and an increase in accelerator opening occur during execution of torque response slip control, the shift input rotation speed Nt, which is the input rotation speed of the automatic transmission TM, tends to excessively increase. According to this configuration, in such a case, without waiting for an increase in the accelerator opening, the automatic transmission TM is shifted from the neutral state to the state in which any one of the plurality of gear stages is formed. By starting the transmission torque limit control after that, even if the demanded torque Tr increases due to an increase in the accelerator opening, an excessive increase in the shift input rotational speed Nt can be appropriately suppressed.
- the control device 10 gradually increases the limit value LM at the same time as the shift control of the automatic transmission TM is completed in the transmission torque limit control. did.
- the configuration is not limited to such a configuration. A configuration in which LM is gradually increased may be employed.
- the control device 10 may stepwise increase the limit value LM to the required torque Tr after the shift of the gear of the automatic transmission TM by the shift control is completed.
- the transmission torque limit control is terminated when the limit value LM reaches the required torque Tr.
- the transmission torque limit control may be ended when the limit value LM reaches a specified value less than the required torque Tr.
- the prescribed value can be set, for example, to a value lower than the required torque Tr by a preset value.
- the vehicle drive system (100) includes: an input member (I) drivingly connected to an internal combustion engine (EG) provided in the vehicle; an output member (O) drivingly connected to a wheel (W) of the vehicle; a rotating electrical machine (MG) that functions as a driving force source for the wheels (W); A plurality of gear stages can be selectively formed, and the rotation transmitted from the rotating electric machine (MG) is shifted at a gear ratio corresponding to the formed gear stage among the plurality of gear stages.
- an automatic transmission (TM) for transmitting to the side of the output member (O); an engagement device (CL1) for connecting and disconnecting power transmission between the rotary electric machine (MG) and the automatic transmission (TM); a control device (10) that controls the rotating electrical machine (MG), the automatic transmission (TM), and the engagement device (CL1);
- a torque required to be transmitted from the rotary electric machine (MG) side to the automatic transmission (TM) via the engagement device (CL1) is defined as a required torque (Tr),
- the control device (10) Torque response slip control that puts the engagement device (CL1) in a slip engagement state so that the transmission torque (T) of the engagement device (CL1) has a magnitude corresponding to the required torque (Tr); Shift control for switching the gear stage of the transmission (TM), and transmission torque for limiting the transmission torque (T) of the engagement device (CL1) to a limit value (LM) smaller than the required torque (Tr) or less. is configured to enable limit control and When executing the shift control, if the torque response slip control is being executed,
- the transmission torque (T) of the engagement device (CL1) is limited to a limit value (LM) smaller than the required torque (Tr).
- LM limit value
- Tr required torque
- the torque transmitted to the automatic transmission (TM) is determined by the transmission torque (T) of the engagement device (CL1). Therefore, by limiting the transmission torque (T) of the engagement device (CL1) to the limit value (LM) or less as described above, the engagement device (CL1) is in the slip engagement state and the automatic transmission (TM) Even if the required torque (Tr) increases during the execution of the shift stage change, the torque transmitted to the automatic transmission (TM) can be appropriately limited.
- the limit value (LM) is a value corresponding to the transmittable torque of the automatic transmission (TM) during execution of the shift control.
- the transmission torque (T) of the engagement device (CL1) is equal to or less than the limit value (LM) according to the transmittable torque of the automatic transmission (TM) during execution of the shift control. limit to As a result, the torque that can be transmitted to the output member (O) due to the shift operation of the automatic transmission (TM) temporarily decreases, resulting in a shift input that is the input rotation speed of the automatic transmission (TM). An excessive increase in the rotational speed (Nt) can be appropriately suppressed.
- the control device (10) gradually increases the limit value (LM) according to the timing at which the shift stage of the automatic transmission (TM) by the shift control is completed. raise.
- the control device (10) brings the combined output torque of the internal combustion engine (EG) and the rotary electric machine (MG) closer to the required torque (Tr). to control.
- the plurality of gear stages include a first gear stage and a second gear stage having a smaller gear ratio than the first gear stage,
- the control device (10) controls that the vehicle is running while the internal combustion engine (EG) is operating and the rotation speed of the input member (I) is less than the idle rotation speed of the internal combustion engine (EG). Or, during execution of the torque response slip control caused by starting the internal combustion engine (EG) while the vehicle is running, the shift control shifts from the second gear to the first gear. , the transmission torque limit control is started according to an increase in the accelerator opening of the vehicle.
- the torque response slip control is executed when the slip control is to be performed. Then, when switching from the second gear stage to the first gear stage is executed by the shift control during execution of the torque response slip control resulting from these, if the accelerator opening increases during execution of the shift control, The shift input rotation speed (Nt), which is the input rotation speed of the automatic transmission (TM), tends to increase excessively. Therefore, by starting the transmission torque limit control according to the increase in the accelerator opening of the vehicle, even if the required torque (Tr) increases, the shift input rotational speed (Nt) does not excessively increase. It can be suppressed appropriately.
- the automatic transmission (TM) is configured to be switchable to a neutral state in which none of the gear stages are formed.
- the control device (10) starts the shift control for shifting the automatic transmission (TM) from the neutral state to one of the plurality of gear stages during execution of the torque response slip control. If so, the transmission torque limit control is started in response to the start of the shift control.
- shift control When shift control is performed to shift the automatic transmission (TM) from a neutral state to a state in which one of a plurality of gear stages is formed, there is a high possibility that the accelerator opening will be increased next and the vehicle will start accelerating. . If there is such shift control and an increase in accelerator opening during the execution of torque response slip control, the shift input rotation speed (Nt), which is the input rotation speed of the automatic transmission (TM), tends to excessively increase. situation. According to this configuration, in such a case, without waiting for an increase in the accelerator opening, shift control is started to shift the automatic transmission (TM) from a neutral state to a state in which one of a plurality of gear stages is formed. By starting the transmission torque limit control in response to , even if the accelerator opening increases after that and the required torque (Tr) increases, the shift input rotation speed (Nt) does not increase excessively. It can be suppressed appropriately.
- the technology according to the present disclosure includes an input member that is drivingly connected to an internal combustion engine provided in a vehicle, an output member that is drivingly connected to wheels of the vehicle, a rotating electric machine that functions as a driving force source for the wheels, and a rotating electric machine.
- An automatic transmission that shifts the transmitted rotation and transmits it to the side of an output member, an engagement device that connects and disconnects power transmission between the rotating electric machine and the automatic transmission, and a control device that controls them. It can be used for a vehicle drive system.
- Vehicle drive device 10: Control device, I: Input member, O: Output member, MG: Rotary electric machine, TM: Automatic transmission, CL1: First engagement device (engagement device), EG: Internal combustion engine , W: wheel
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Abstract
Description
車両が備える内燃機関に駆動連結される入力部材と、
前記車両の車輪に駆動連結される出力部材と、
前記車輪の駆動力源として機能する回転電機と、
複数の変速段を選択的に形成可能に構成され、前記回転電機の側から伝達される回転を、複数の前記変速段のうちの形成された変速段に応じた変速比で変速して前記出力部材の側へ伝達する自動変速機と、
前記回転電機と前記自動変速機との間の動力伝達を断接する係合装置と、
前記回転電機、前記自動変速機、及び前記係合装置を制御する制御装置と、を備え、
前記係合装置を介して前記回転電機の側から前記自動変速機に伝達することが要求されるトルクを要求トルクとして、
前記制御装置は、
前記係合装置の伝達トルクが前記要求トルクに応じた大きさとなるように前記係合装置をスリップ係合状態とするトルク応答スリップ制御と、前記自動変速機の前記変速段を切り替える変速制御と、前記係合装置の前記伝達トルクを前記要求トルクよりも小さい制限値以下に制限する伝達トルク制限制御と、を実行可能に構成されており、
前記変速制御を実行する際に、前記トルク応答スリップ制御を実行中である場合には、前記トルク応答スリップ制御に代えて前記伝達トルク制限制御を実行する点にある。
車両が備える内燃機関EGに駆動連結される入力部材Iと、
車両の車輪Wに駆動連結される出力部材Oと、
車輪Wの駆動力源として機能する回転電機MGと、
複数の変速段を選択的に形成可能に構成され、回転電機MGの側から伝達される回転を、複数の変速段のうちの形成された変速段に応じた変速比で変速して出力部材Oの側へ伝達する自動変速機TMと、
回転電機MGと自動変速機TMとの間の動力伝達を断接する第1係合装置CL1と、
回転電機MG、自動変速機TM、及び第1係合装置CL1を制御する制御装置10と、を備え、
第1係合装置CL1を介して回転電機MGの側から自動変速機TMに伝達することが要求されるトルクを要求トルクTrとして、
制御装置10は、
第1係合装置CL1の伝達トルクTが要求トルクTrに応じた大きさとなるように第1係合装置CL1をスリップ係合状態とするトルク応答スリップ制御と、自動変速機TMの変速段を切り替える変速制御と、第1係合装置CL1の伝達トルクTを要求トルクTrよりも小さい制限値LM以下に制限する伝達トルク制限制御と、を実行可能に構成されており、
変速制御を実行する際に、トルク応答スリップ制御を実行中である場合には、トルク応答スリップ制御に代えて伝達トルク制限制御を実行する。
制御装置10は、内燃機関EGが動作中且つ入力部材Iの回転速度である入力回転速度が内燃機関EGのアイドル回転速度未満の状態で車両が走行していること、又は、車両の走行中に内燃機関EGを始動させること、に起因するトルク応答スリップ制御の実行中に、変速制御にて第2変速段から第1変速段への切り替えを実行する場合、車両のアクセル開度の上昇に応じて伝達トルク制限制御を開始する。
制御装置10は、トルク応答スリップ制御の実行中に、自動変速機TMをニュートラル状態から複数の変速段のいずれかを形成させる状態に移行させる変速制御が開始された場合、当該変速制御の開始に応じて伝達トルク制限制御を開始する。
(1)上記の実施形態では、制御装置10が、伝達トルク制限制御において、変速制御による自動変速機TMの変速段の切り替えが完了したと同時に、制限値LMを次第に上昇させる構成を例として説明した。しかし、そのような構成に限定されることなく、例えば、制御装置10が、伝達トルク制限制御において、変速制御による自動変速機TMの変速段の切り替えが完了した後、規定時間の経過後に制限値LMを次第に上昇させる構成としても良い。或いは、制御装置10が、伝達トルク制限制御において、変速制御による自動変速機TMの変速段の切り替えが完了した後、ステップ的に制限値LMを要求トルクTrまで上昇させる構成としても良い。
以下では、上記において説明した車両用駆動装置(100)の概要について説明する。
車両が備える内燃機関(EG)に駆動連結される入力部材(I)と、
前記車両の車輪(W)に駆動連結される出力部材(O)と、
前記車輪(W)の駆動力源として機能する回転電機(MG)と、
複数の変速段を選択的に形成可能に構成され、前記回転電機(MG)の側から伝達される回転を、複数の前記変速段のうちの形成された変速段に応じた変速比で変速して前記出力部材(O)の側へ伝達する自動変速機(TM)と、
前記回転電機(MG)と前記自動変速機(TM)との間の動力伝達を断接する係合装置(CL1)と、
前記回転電機(MG)、前記自動変速機(TM)、及び前記係合装置(CL1)を制御する制御装置(10)と、を備え、
前記係合装置(CL1)を介して前記回転電機(MG)の側から前記自動変速機(TM)に伝達することが要求されるトルクを要求トルク(Tr)として、
前記制御装置(10)は、
前記係合装置(CL1)の伝達トルク(T)が前記要求トルク(Tr)に応じた大きさとなるように前記係合装置(CL1)をスリップ係合状態とするトルク応答スリップ制御と、前記自動変速機(TM)の前記変速段を切り替える変速制御と、前記係合装置(CL1)の前記伝達トルク(T)を前記要求トルク(Tr)よりも小さい制限値(LM)以下に制限する伝達トルク制限制御と、を実行可能に構成されており、
前記変速制御を実行する際に、前記トルク応答スリップ制御を実行中である場合には、前記トルク応答スリップ制御に代えて前記伝達トルク制限制御を実行する。
前記制御装置(10)は、前記内燃機関(EG)が動作中且つ前記入力部材(I)の回転速度が前記内燃機関(EG)のアイドル回転速度未満の状態で前記車両が走行していること、又は、前記車両の走行中に前記内燃機関(EG)を始動させること、に起因する前記トルク応答スリップ制御の実行中に、前記変速制御にて前記第2変速段から前記第1変速段への切り替えを実行する場合、前記車両のアクセル開度の上昇に応じて前記伝達トルク制限制御を開始する。
前記制御装置(10)は、前記トルク応答スリップ制御の実行中に、前記自動変速機(TM)を前記ニュートラル状態から複数の前記変速段のいずれかを形成させる状態に移行させる前記変速制御が開始された場合、当該変速制御の開始に応じて前記伝達トルク制限制御を開始する。
Claims (6)
- 車両が備える内燃機関に駆動連結される入力部材と、
前記車両の車輪に駆動連結される出力部材と、
前記車輪の駆動力源として機能する回転電機と、
複数の変速段を選択的に形成可能に構成され、前記回転電機の側から伝達される回転を、複数の前記変速段のうちの形成された変速段に応じた変速比で変速して前記出力部材の側へ伝達する自動変速機と、
前記回転電機と前記自動変速機との間の動力伝達を断接する係合装置と、
前記回転電機、前記自動変速機、及び前記係合装置を制御する制御装置と、を備え、
前記係合装置を介して前記回転電機の側から前記自動変速機に伝達することが要求されるトルクを要求トルクとして、
前記制御装置は、
前記係合装置の伝達トルクが前記要求トルクに応じた大きさとなるように前記係合装置をスリップ係合状態とするトルク応答スリップ制御と、前記自動変速機の前記変速段を切り替える変速制御と、前記係合装置の前記伝達トルクを前記要求トルクよりも小さい制限値以下に制限する伝達トルク制限制御と、を実行可能に構成されており、
前記変速制御を実行する際に、前記トルク応答スリップ制御を実行中である場合には、前記トルク応答スリップ制御に代えて前記伝達トルク制限制御を実行する、車両用駆動装置。 - 前記制限値は、前記変速制御の実行中における前記自動変速機の伝達可能トルクに応じた値である、請求項1に記載の車両用駆動装置。
- 前記制御装置は、前記伝達トルク制限制御において、前記変速制御による前記自動変速機の前記変速段の切り替えが完了するタイミングに応じて、前記制限値を次第に上昇させる、請求項1又は2に記載の車両用駆動装置。
- 前記制御装置は、前記トルク応答スリップ制御の実行中、前記内燃機関と前記回転電機との出力トルクを合せたトルクを、前記要求トルクに近付けるように制御する、請求項1から3のいずれか一項に記載の車両用駆動装置。
- 複数の前記変速段は、第1変速段と、当該第1変速段よりも変速比が小さい第2変速段と、を含み、
前記制御装置は、前記内燃機関が動作中且つ前記入力部材の回転速度が前記内燃機関のアイドル回転速度未満の状態で前記車両が走行していること、又は、前記車両の走行中に前記内燃機関を始動させること、に起因する前記トルク応答スリップ制御の実行中に、前記変速制御にて前記第2変速段から前記第1変速段への切り替えを実行する場合、前記車両のアクセル開度の上昇に応じて前記伝達トルク制限制御を開始する、請求項1から4のいずれか一項に記載の車両用駆動装置。 - 前記自動変速機は、いずれの前記変速段も形成しないニュートラル状態に切り替え可能に構成され、
前記制御装置は、前記トルク応答スリップ制御の実行中に、前記自動変速機を前記ニュートラル状態から複数の前記変速段のいずれかを形成させる状態に移行させる前記変速制御が開始された場合、当該変速制御の開始に応じて前記伝達トルク制限制御を開始する、請求項1から4のいずれか一項に記載の車両用駆動装置。
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JP2020101219A (ja) | 2018-12-20 | 2020-07-02 | トヨタ自動車株式会社 | 車両の制御装置 |
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JP2012090445A (ja) * | 2010-10-20 | 2012-05-10 | Nissan Motor Co Ltd | モータ制御装置 |
JP2013154723A (ja) * | 2012-01-27 | 2013-08-15 | Aisin Aw Co Ltd | 制御装置 |
JP2013169925A (ja) * | 2012-02-22 | 2013-09-02 | Nissan Motor Co Ltd | ハイブリッド車両の制御装置 |
WO2014034319A1 (ja) * | 2012-08-31 | 2014-03-06 | 日産自動車株式会社 | ニュートラル判定装置および車両の制御装置 |
JP2020101219A (ja) | 2018-12-20 | 2020-07-02 | トヨタ自動車株式会社 | 車両の制御装置 |
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JPWO2022181409A1 (ja) | 2022-09-01 |
US20240059273A1 (en) | 2024-02-22 |
EP4299361A1 (en) | 2024-01-03 |
JP7448085B2 (ja) | 2024-03-12 |
CN116806201A (zh) | 2023-09-26 |
EP4299361A4 (en) | 2024-07-24 |
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