WO2015034025A1 - ハイブリッド車両用駆動装置 - Google Patents
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- WO2015034025A1 WO2015034025A1 PCT/JP2014/073404 JP2014073404W WO2015034025A1 WO 2015034025 A1 WO2015034025 A1 WO 2015034025A1 JP 2014073404 W JP2014073404 W JP 2014073404W WO 2015034025 A1 WO2015034025 A1 WO 2015034025A1
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/18—Propelling the vehicle
- B60Y2300/188—Controlling power parameters of the driveline, e.g. determining the required power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/50—Engine start by use of flywheel kinetic energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/11—Electric energy storages
- B60Y2400/112—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
- Y02T10/62—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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/904—Component specially adapted for hev
- Y10S903/915—Specific drive or transmission adapted for hev
Definitions
- the present invention relates to a hybrid vehicle drive device.
- FIG. 10 is a schematic diagram showing a configuration of a power output device in a vehicle disclosed in Patent Document 1.
- the vehicle power output apparatus disclosed in Patent Document 1 includes an engine 6, a motor 7, a battery (not shown) that supplies power to the motor 7, and a first clutch 41. Connected to the engine 6, and connected to the engine 6 via the second clutch 42, and a first speed change portion comprising a third speed gear pair 23, a fifth speed gear pair 25, and a first speed shifter 51. And a second speed change portion including a second speed gear pair 22, a fourth speed gear pair 24, and a second speed change shifter 52.
- the power of at least one of the engine 6 and the motor 7 is input to the first transmission unit, and the power of the engine 6 is input to the second transmission unit. Odd-speed traveling and EV traveling can be performed via the first transmission, and even-number traveling can be performed via the second transmission, and the first clutch 41 and the second clutch 42 can be switched. Shifting is performed.
- the torque limit value output by the motor 7 when traveling by the power of only the motor 7 is within the maximum torque range.
- a torque limit value larger than usual is set.
- the torque limit value of the motor 7 is set based only on the slope of the road surface on which the vehicle travels EV. If the torque limit value is larger than normal, the motor 7 can output torque that satisfies the acceleration request, but the motor 7 during EV traveling is driven by power supplied from the battery, so the output torque of the motor 7 increases. As a result, battery consumption increases. As described above, when the torque limit value larger than usual is set based only on the slope of the road surface, the battery power consumption based only on the climbing condition of the travel route is performed regardless of the driver's request. .
- An object of the present invention is to provide a drive device for a hybrid vehicle that can be controlled according to the driver's request based on the actual behavior of the vehicle felt by the driver.
- a hybrid vehicle drive device includes an internal combustion engine (for example, the engine 6 in the embodiment) and two or more input shafts. (E.g., the first main shaft 11 and the second intermediate shaft 16 in the embodiment) (e.g., the transmission 20 in the embodiment) and the input shaft of the transmission can be transmitted.
- An electric motor for example, the motor 7 in the embodiment
- a connecting / disconnecting portion for connecting and disconnecting the internal combustion engine and the transmission (for example, the first clutch 41 and the second clutch 42 in the embodiment).
- a hybrid vehicle drive device that is driven by the power of at least one of the internal combustion engine and the electric motor, and a maximum torque deriving unit that derives the maximum torque that can be output by the electric motor
- a maximum torque deriving unit 83 A maximum torque deriving unit 83), a starting torque deriving unit for deriving a starting torque for starting the internal combustion engine by the electric motor (for example, a starting torque deriving unit 82 in the embodiment), and the maximum torque
- a torque limit value setting unit for example, a torque limit value setting unit 84 in the embodiment that sets a limit value of a driving torque output by the motor when traveling with the power of only the motor.
- a vehicle speed acquisition unit for example, a vehicle speed determination unit 85 in the embodiment
- an accelerator pedal opening acquisition unit for example, opening the accelerator pedal in the embodiment
- Degree determining unit 81 and the torque limit value setting unit sets the limit value of the drive torque to a first drive torque value, and the vehicle is running only while the motor is running.
- the speed the accelerator pedal opening is increased does not increase, it is characterized by setting a limit value of the drive torque to the second drive torque value greater than the first driving torque value.
- the torque limit value setting unit limits the drive torque when the vehicle speed does not increase for a predetermined time or more even when the accelerator pedal opening increases.
- the value is set to the second driving torque value larger than the first driving torque value.
- the torque limit value is set.
- the setting unit is characterized in that a limit value of the drive torque is decreased from the second drive torque value.
- the torque limit value setting unit decreases the drive torque limit value from the second drive torque value to the first drive torque value
- the limit value of the driving torque is decreased stepwise according to the decrease of the accelerator pedal opening.
- the electric motor when the vehicle speed exceeds a predetermined vehicle speed, the electric motor outputs the start torque in addition to the drive torque to start the internal combustion engine. It is characterized by doing.
- the torque limit value setting unit sets the limit value of the drive torque to the first drive torque value after the internal combustion engine is started. It is a feature.
- the difference between the second drive torque value and the maximum torque is a minimum torque necessary for the electric motor to start the internal combustion engine. It is characterized by being.
- the hybrid vehicle drive device of the first to seventh aspects of the present invention it is possible to perform control according to the driver's request based on the actual vehicle behavior felt by the driver.
- the hybrid vehicle drive device of the second aspect of the present invention it is possible to prevent power consumption of the battery due to frequent increase of the torque limit value.
- an increase in the torque limit value more than necessary can be prevented.
- the hybrid vehicle drive device of the fourth aspect of the present invention it is possible to prevent the driver from feeling uncomfortable because the torque limit value is rapidly switched.
- the hybrid vehicle drive device of the fifth aspect of the present invention the driving force of the vehicle can be secured while suppressing the power consumption of the battery.
- the hybrid vehicle drive device of the sixth aspect of the invention since the first torque limit value is set during engine startup, battery consumption by the motor drive device can be suppressed. According to the hybrid vehicle drive device of the seventh aspect of the present invention, even if the drive torque is increased to the second drive torque value, the minimum torque necessary for starting the engine can be ensured. The driving force of the vehicle can be secured by raising the engine and starting the engine.
- FIG. 1stEV driving mode is shown, (a) is a speed diagram, (b) is a figure which shows the transmission condition of torque. It is a graph which shows the relationship between the rotational speed of the motor and engine driving force or the crankshaft of an engine, and vehicle speed in each gear stage. 1st EV traveling The hybrid vehicle drive device in the pre2 mode is shown, (a) is a speed diagram, and (b) is a diagram showing a transmission state of torque.
- FIG. 10 is a schematic diagram illustrating a configuration of a power output device in a vehicle disclosed in Patent Document 1;
- the hybrid vehicle drive device 1 of the present embodiment is for driving drive wheels DW and DW (driven parts) via drive shafts 9 and 9 of a vehicle (not shown).
- the engine 6 is, for example, a gasoline engine or a diesel engine.
- a first clutch (first connecting / disconnecting means) 41 and a second clutch (second connecting / disconnecting means) 42 of the transmission 20 are connected to the crankshaft 6 a of the engine 6. Is provided.
- the motor 7 is a three-phase brushless DC motor, and includes a stator 71 composed of 3n armatures 71a, and a rotor 72 arranged to face the stator 71.
- Each armature 71a includes an iron core 71b and a coil 71c wound around the iron core 71b.
- the armature 71a is fixed to a casing (not shown) and is arranged at substantially equal intervals in the circumferential direction around the rotation axis. Yes.
- the 3n coils 71c constitute n sets of U-phase, V-phase, and W-phase three-phase coils.
- the rotor 72 has an iron core 72a and n permanent magnets 72b arranged at almost equal intervals around the rotation axis, and the polarities of two adjacent permanent magnets 72b are different from each other.
- the fixing portion 72c for fixing the iron core 72a has a hollow cylindrical shape, is disposed on the outer peripheral side of the ring gear 35 of the planetary gear mechanism 30 described later, and is connected to the sun gear 32 of the planetary gear mechanism 30. Accordingly, the rotor 72 is configured to rotate integrally with the sun gear 32 of the planetary gear mechanism 30.
- the planetary gear mechanism 30 includes a sun gear 32, a ring gear 35 that is arranged coaxially with the sun gear 32 and that surrounds the sun gear 32, and a planetary gear 34 that meshes with the sun gear 32 and the ring gear 35. And a carrier 36 that supports the planetary gear 34 so as to be capable of rotating and revolving. In this way, the sun gear 32, the ring gear 35, and the carrier 36 are configured to be differentially rotatable with respect to each other.
- the ring gear 35 is provided with a synchronization mechanism 61 (lock mechanism) having a synchronization mechanism (synchronizer mechanism) and configured to stop (lock) rotation of the ring gear 35.
- a brake mechanism may be used instead of the synchro mechanism 61.
- the transmission 20 is a so-called twin clutch transmission including the first clutch 41 and the second clutch 42, the planetary gear mechanism 30, and a plurality of transmission gear groups described later.
- the transmission 20 includes a first main shaft 11 (first input shaft) disposed on the same axis (rotation axis A1) as the crank shaft 6a of the engine 6, a second main shaft 12, and a connecting shaft 13.
- a counter shaft 14 output shaft rotatable around a rotation axis B1 arranged in parallel with the rotation axis A1, and a first intermediate rotatable around a rotation axis C1 arranged in parallel with the rotation axis A1.
- a second intermediate shaft 16 (second input shaft) rotatable around a rotation axis D1 arranged in parallel with the rotation axis A1, and a rotation axis E1 arranged in parallel with the rotation axis A1 Is provided with a rotatable reverse shaft 17.
- the first main shaft 11 is provided with a first clutch 41 on the engine 6 side, and a sun gear 32 of the planetary gear mechanism 30 and a rotor 72 of the motor 7 are attached to the opposite side of the engine 6 side. Accordingly, the first main shaft 11 is selectively connected to the crankshaft 6 a of the engine 6 by the first clutch 41 and directly connected to the motor 7 so that the power of the engine 6 and / or the motor 7 is transmitted to the sun gear 32. It is configured.
- the second main shaft 12 is configured to be shorter and hollow than the first main shaft 11, and is disposed so as to be relatively rotatable so as to cover the periphery of the first main shaft 11 on the engine 6 side.
- the second main shaft 12 is provided with a second clutch 42 on the engine 6 side, and an idle drive gear 27a is integrally attached to the opposite side to the engine 6 side. Accordingly, the second main shaft 12 is selectively connected to the crankshaft 6a of the engine 6 by the second clutch 42, and the power of the engine 6 is transmitted to the idle drive gear 27a.
- the connecting shaft 13 is configured to be shorter and hollow than the first main shaft 11, and is disposed so as to be relatively rotatable so as to cover the periphery of the first main shaft 11 on the side opposite to the engine 6 side. Further, a third speed drive gear 23 a is integrally attached to the connecting shaft 13 on the engine 6 side, and a carrier 36 of the planetary gear mechanism 30 is integrally attached to the opposite side of the engine 6 side. Therefore, the carrier 36 attached to the connecting shaft 13 and the third-speed drive gear 23a are configured to rotate integrally by the revolution of the planetary gear 34.
- first main shaft 11 is rotatable relative to the first main shaft 11 between a third speed drive gear 23 a attached to the connecting shaft 13 and an idle drive gear 27 a attached to the second main shaft 12.
- a fifth driven gear 25a is provided, and a reverse driven gear 28b that rotates integrally with the first main shaft 11 is attached.
- a first main shaft 11 and a third speed drive gear 23a or a fifth speed drive gear 25a are connected or released between the third speed drive gear 23a and the fifth speed drive gear 25a.
- a shift shifter 51 is provided. When the first speed-shifting shifter 51 is in-gear at the third speed connection position, the first main shaft 11 and the third speed drive gear 23a are connected to rotate integrally and in-gear at the fifth speed connection position.
- the first main shaft 11 and the fifth speed drive gear 25a rotate integrally, and when the first speed change shifter 51 is in the neutral position, the first main shaft 11 has the third speed drive gear 23a and the fifth speed drive gear 25a. It rotates relative to the drive gear 25a.
- the sun gear 32 attached to the first main shaft 11 and the carrier 36 connected to the third speed drive gear 23a by the connecting shaft 13 are provided.
- the ring gear 35 While rotating integrally, the ring gear 35 also rotates together, and the planetary gear mechanism 30 is united.
- a first idle driven gear 27b that meshes with an idle drive gear 27a attached to the second main shaft 12 is integrally attached to the first intermediate shaft 15.
- the second intermediate shaft 16 is integrally attached with a second idle driven gear 27c that meshes with the first idle driven gear 27b attached to the first intermediate shaft 15.
- the second idle driven gear 27c constitutes the first idle gear train 27A together with the idle drive gear 27a and the first idle driven gear 27b described above.
- the second intermediate shaft 16 is rotatable relative to the second intermediate shaft 16 at positions corresponding to the third speed drive gear 23a and the fifth speed drive gear 25a provided around the first main shaft 11, respectively.
- a second speed drive gear 22a and a fourth speed drive gear 24a are provided.
- the second intermediate shaft 16 includes a second intermediate shaft 16 and a second speed drive gear 22a or a fourth speed drive gear 24a between the second speed drive gear 22a and the fourth speed drive gear 24a.
- a second shifter 52 for shifting or connecting the two.
- the second shifter 52 shifts in-gear at the second speed connection position
- the second intermediate shaft 16 and the second speed drive gear 22a rotate together
- the second shifter 52 shifts to the fourth speed.
- the second intermediate shaft 16 and the fourth speed drive gear 24a rotate together, and when the second shifter shifter 52 is in the neutral position, the second intermediate shaft 16 is in the second speed.
- the drive gear 22a and the fourth speed drive gear 24a rotate relative to each other.
- a first shared driven gear 23b, a second shared driven gear 24b, a parking gear 21, and a final gear 26a are integrally attached to the counter shaft 14 in order from the side opposite to the engine 6 side.
- the first shared driven gear 23b meshes with the third speed drive gear 23a attached to the connecting shaft 13 to form the third speed gear pair 23 together with the third speed drive gear 23a
- the second speed gear pair 22 is configured together with the second speed drive gear 22a by meshing with the second speed drive gear 22a provided on the intermediate shaft 16.
- the second shared driven gear 24b meshes with the fifth speed drive gear 25a provided on the first main shaft 11 to form the fifth speed gear pair 25 together with the fifth speed drive gear 25a, and the second intermediate shaft.
- a third idle driven gear 27d that meshes with the first idle driven gear 27b attached to the first intermediate shaft 15 is integrally attached to the reverse shaft 17.
- the third idle driven gear 27d constitutes a second idle gear train 27B together with the above-described idle drive gear 27a and first idle driven gear 27b.
- the reverse shaft 17 is provided with a reverse drive gear 28 a that meshes with a reverse driven gear 28 b attached to the first main shaft 11 so as to be rotatable relative to the reverse shaft 17.
- the reverse drive gear 28a constitutes the reverse gear train 28 together with the reverse driven gear 28b.
- a reverse shifter 53 for connecting or releasing the reverse shaft 17 and the reverse drive gear 28a is provided on the opposite side of the reverse drive gear 28a from the engine 6 side.
- the first shifter 51, the second shifter 52, and the reverse shifter 53 use a clutch mechanism having a synchronizing mechanism (synchronizer mechanism) that matches the rotational speed of the shaft to be connected with the gear.
- a synchronizing mechanism synchronizer mechanism
- the transmission 20 configured as described above has an odd-numbered gear group consisting of a third speed drive gear 23a and a fifth speed drive gear 25a on the first main shaft 11, which is one of the two transmission shafts.
- a first gear group) and an even-stage gear group (first gear group) composed of a second-speed drive gear 22a and a fourth-speed drive gear 24a on the second intermediate shaft 16, which is the other of the two transmission shafts. 2 gear groups) are provided.
- the vehicle drive device 1 is further provided with an air conditioner compressor 112 and an oil pump 122.
- the oil pump 122 is disposed on an oil pump auxiliary shaft 19 arranged in parallel with the rotation axis A1 to E1. It is attached so as to be rotatable together with the auxiliary machine shaft 19.
- An oil pump driven gear 28c meshing with the reverse drive gear 28a and an air conditioner drive gear 29a are attached to the oil pump auxiliary shaft 19 so as to be integrally rotatable, and the engine 6 that rotates the first main shaft 11 and // The power of the motor 7 is transmitted.
- the air conditioner compressor 112 is provided on the air conditioner auxiliary shaft 18 arranged in parallel with the rotation axes A1 to E1 via the air conditioner clutch 121.
- An air conditioner driven gear 29b to which power is transmitted from an air conditioner drive gear 29a via a chain 29c is attached to the air conditioner auxiliary shaft 18 so as to be integrally rotatable with the air conditioner auxiliary shaft 18, and an oil pump auxiliary shaft 19 is provided.
- the power of the engine 6 and / or the motor 7 is transmitted through an air conditioner transmission mechanism 29 including an air conditioner drive gear 29a, a chain 29c, and an air conditioner driven gear 29b.
- the air conditioner compressor 112 is configured such that power transmission can be interrupted by connecting and disconnecting the air conditioner clutch 121 by an air conditioner operating solenoid (not shown).
- the vehicle drive device 1 of the present embodiment has the following first to fifth transmission paths.
- the crankshaft 6a of the engine 6 includes the first main shaft 11, the planetary gear mechanism 30, the connecting shaft 13, and the third speed gear pair 23 (third speed drive gear 23a, first common use).
- This is a transmission path connected to the drive wheels DW and DW via the driven gear 23b), the counter shaft 14, the final gear 26a, the differential gear mechanism 8, and the drive shafts 9 and 9.
- the reduction gear ratio of the planetary gear mechanism 30 is set so that the engine torque transmitted to the drive wheels DW and DW via the first transmission path corresponds to the first speed. That is, the reduction ratio obtained by multiplying the reduction ratio of the planetary gear mechanism 30 and the reduction ratio of the third speed gear pair 23 is set to be equivalent to the first speed.
- the crankshaft 6a of the engine 6 has the second main shaft 12, the first idle gear train 27A (the idle drive gear 27a, the first idle driven gear 27b, the second idle driven gear 27c), the second 2 intermediate shaft 16, second speed gear pair 22 (second speed drive gear 22a, first shared driven gear 23b) or fourth speed gear pair 24 (fourth speed drive gear 24a, second shared driven gear) 24b), a transmission path connected to the drive wheels DW and DW via the counter shaft 14, the final gear 26a, the differential gear mechanism 8, and the drive shafts 9 and 9.
- the first idle gear train 27A the idle drive gear 27a, the first idle driven gear 27b, the second idle driven gear 27c
- the second 2 intermediate shaft 16 second speed gear pair 22 (second speed drive gear 22a, first shared driven gear 23b) or fourth speed gear pair 24 (fourth speed drive gear 24a, second shared driven gear) 24b
- a transmission path connected to the drive wheels DW and DW via the counter shaft 14, the final gear 26a, the differential gear mechanism 8, and the drive shafts 9 and
- the crankshaft 6a of the engine 6 is used for the first main shaft 11, the third speed gear pair 23 (the third speed drive gear 23a, the first shared driven gear 23b) or the fifth speed.
- the gear pair 25 (the fifth speed drive gear 25a and the second shared driven gear 24b)
- the counter shaft 14 the final gear 26a, the differential gear mechanism 8, and the drive shafts 9 and 9, without the planetary gear mechanism 30.
- the motor 7 is connected to the planetary gear mechanism 30 or the third speed gear pair 23 (third speed drive gear 23a, first shared driven gear 23b) or fifth speed gear pair 25 ( 5th speed drive gear 25a, second shared driven gear 24b), counter shaft 14, final gear 26a, differential gear mechanism 8, and drive shafts 9 and 9 are connected to drive wheels DW and DW. It is.
- crankshaft 6a of the engine 6 is connected to the second main shaft 12, the second idle gear train 27B (idle drive gear 27a, first idle driven gear 27b, third idle driven gear 27d), reverse Shaft 17, reverse gear train 28 (reverse drive gear 28a, reverse driven gear 28b), planetary gear mechanism 30, connecting shaft 13, third speed gear pair 23 (third speed drive gear 23a, first common use)
- This is a transmission path connected to the drive wheels DW and DW via the driven gear 23b), the counter shaft 14, the final gear 26a, the differential gear mechanism 8, and the drive shafts 9 and 9.
- the motor 7 is connected to a power drive unit (hereinafter referred to as PDU) 2 that controls the operation thereof.
- PDU 2 is connected to a battery 3 that supplies power to the motor 7 or charges power from the motor 7.
- the motor 7 is driven by electric power supplied from the battery 3 via the PDU 2.
- the motor 7 can perform regenerative power generation by rotation of the drive wheels DW and DW during deceleration traveling and power of the engine 6 to charge the battery 3 (energy recovery).
- the PDU 2 is connected to an electric control unit (hereinafter referred to as ECU) 5.
- the ECU 5 is a control device for performing various controls of the entire vehicle, and is connected to an inclination sensor 55 that detects the inclination of the road surface during traveling and a vehicle speed sensor 56 that detects the current vehicle speed.
- the detection result of the vehicle speed sensor 56 is input to the ECU 5, the accelerator pedal opening indicating the acceleration request, the brake pedal depression force indicating the braking request, the engine speed, the motor speed, the first and second main spindles 11, 12. , The rotation speed of the counter shaft 14, the vehicle speed, the gear position, the shift position, and the like are input.
- a signal for controlling the engine 6 a signal for controlling the PDU 2, a signal for controlling the motor 7, a signal indicating the power generation state / charge state / discharge state of the battery 3, the first and second shift shifters 51. 52, a signal for controlling the reverse shifter 53, a signal for controlling the engagement (lock) and release (neutral) of the synchro mechanism 61, an output signal for controlling the engagement and release of the air conditioner clutch 121, and the like.
- the ECU 5 outputs an accelerator pedal opening degree determination unit 81 that determines the accelerator pedal opening degree based on an input of a signal that indicates the accelerator pedal opening degree, and an output from the motor 7 to start the engine 6.
- a torque limit value setting unit 84 a vehicle speed determination unit 85 that determines the vehicle speed based on an input from the vehicle speed sensor 56, and a battery state detection unit that detects states such as the remaining capacity (SOC: State of Charge) and temperature of the battery 3 86, a maximum energy amount deriving unit 87a for deriving the maximum energy amount that can be output from the battery 3 based on the state of the battery 3, and a maximum energy Has a maximum energy amount determining unit 87b determines Energy amount.
- SOC State of Charge
- the hybrid vehicle drive device 1 configured as described above controls connection / disconnection of the first and second clutches 41, 42 and connects the first shifter 51, the second shifter 52, and the reverse shifter 53. By controlling the position, the engine 6 can perform first to fifth speed traveling and reverse traveling.
- the driving force is transmitted to the drive wheels DW and DW through the first transmission path by fastening the first clutch 41 and connecting the synchro mechanism 61.
- the driving force is transmitted to the drive wheels DW and DW via the second transmission path by engaging the second clutch 42 and in-gearing the second shifter shifter 52 at the second speed connection position.
- the first clutch 41 is engaged and the first shifter 51 is in-geared at the third speed connection position, whereby the driving force is transmitted to the drive wheels DW and DW via the third transmission path. Is done.
- the driving force is transmitted to the drive wheels DW and DW through the second transmission path by in-gearing the second shifter shifter 52 at the fourth speed connecting position, and the fifth speed traveling is performed.
- the driving force is transmitted to the drive wheels DW and DW via the second transmission path by in-gearing the first shifter 51 at the fifth speed connection position.
- the second clutch 42 is engaged and the reverse shifter 53 is connected, whereby reverse travel is performed via the fifth transmission path.
- the engine 7 is assisted or regenerated by the motor 7 by connecting the synchro mechanism 61 while the engine is running, or by pre-shifting the first and second shift shifters 51 and 52, and the motor 7 is operated by the motor 7 even during idling. 6 can be started or the battery 3 can be charged. Further, the first and second clutches 41 and 42 can be disconnected and the EV 7 can be driven by the motor 7.
- the EV travel mode includes a first speed EV travel mode in which the first and second clutches 41 and 42 are disconnected and a synchro mechanism 61 is connected to travel via the fourth transmission path, and a first shift.
- a first speed EV travel mode in which the first and second clutches 41 and 42 are disconnected and a synchro mechanism 61 is connected to travel via the fourth transmission path, and a first shift.
- the first speed EV travel (1st EV travel mode) will be described with reference to FIGS. 4 (a) and 4 (b).
- the first speed EV traveling is performed by setting the synchro mechanism 61 to the locked state (OWC lock ON) from the initial state.
- the sun gear 32 of the planetary gear mechanism 31 connected to the rotor 72 is rotated in the forward direction as shown in FIG.
- the first and second clutches 41 and 42 are disengaged, the power transmitted to the sun gear 32 is transmitted from the first main shaft 11 to the crankshaft 6a of the engine 6. It will never be done.
- the motor torque is decelerated from the sun gear 32 to the carrier 36 and transmitted to the drive wheels DW and DW via the fourth transmission path passing through the third speed gear pair 23. Communicated. Further, the reverse travel in the 1st EV travel mode can be performed by driving the motor 7 in the reverse direction and applying the motor torque in the reverse direction.
- FIG. 5 is a graph showing the relationship between the motor and engine driving force or the engine crankshaft rotation speed and the vehicle speed at each gear position.
- the three lines indicated by the thin line A indicate the maximum driving force that can be output by the motor 7 during traveling in the first speed EV traveling mode, the third speed EV traveling mode, and the fifth speed EV traveling mode, respectively. Yes.
- the first main shaft 11 and the crankshaft 6a of the engine 6 are connected by connecting the first clutch 41. Connect directly.
- torque is transmitted from the first main shaft 11 to the crankshaft 6a of the engine 6, cranking the crankshaft 6a, and starting the engine 6 at the first speed.
- the torque output by the motor 7 is transmitted to both the counter shaft 14 and the first main shaft 11 in order to start the engine 6 while continuing the running of the vehicle. Therefore, if the torque output by the motor 7 at the time of starting the engine is the same amount as that in the first speed EV traveling mode, the torque transmitted to the drive wheels DW and DW via the counter shaft 14 decreases, and a shock occurs. There is a risk that. Therefore, normally, when starting the engine 6 during traveling in the EV traveling mode, a torque equivalent to the torque transmitted to the engine 6 side (starting torque) is output from the motor 7 and smoothly without causing a shock. Control is performed so that the engine 6 can be started.
- the motor 7 used as a driving force leaves a margin for torque for starting the engine 6 in preparation for starting the engine 6 in the future.
- the torque is limited. Therefore, the torque output by the motor 7 during traveling in the EV traveling mode is not the maximum torque that can be output by the motor 7, but a value obtained by subtracting the starting torque for starting the engine 6 from this maximum torque (torque limit value). ).
- three lines indicated by a thin broken line B are output as driving force by the motor 7 when traveling in the first speed EV traveling mode, the third speed EV traveling mode, and the fifth speed EV traveling mode, respectively.
- the limit value of the driving force is shown. That is, the driving force that can be output by the motor 7 when traveling in the first speed EV traveling mode is not the maximum driving force that can be output by the motor 7 (indicated by 1st of the thin line A), but the engine 6 is started. Is a driving force limit value (indicated by 1st of a thin broken line B) that is limited by removing the driving force used in the above.
- the PDU 2 and the motor 7 are normally controlled by the ECU 5 so that the output torque of the motor 7 is within the range of the torque limit value.
- five lines indicated by thick lines C indicate the relationship between the vehicle speed and the rotational speed of the crankshaft of the engine 6 when the engine runs from the first speed to the fifth speed.
- Five lines indicated by a thick broken line D indicate the maximum driving force that can be output by the engine 6 when traveling from the first speed to the fifth speed.
- the five lines indicated by the thick dashed-dotted line E indicate the maximum driving force that can be output by the engine 6 and the motor 7 when traveling with the driving force of both the engine 6 and the motor 7 from the first speed to the fifth speed. Indicates the total.
- the running resistance increases according to the slope, so that the driver steps on the accelerator pedal and the required driving force also increases.
- the output torque of the motor 7 is the same as normal when the vehicle is traveling on an inclined uphill road in the first speed EV traveling mode as shown in FIGS. 4 (a) and 4 (b). If the control is performed so that is within the range of the torque limit value, a sufficient speed or acceleration may not be obtained. Further, when starting the engine 6 during traveling in the EV traveling mode, it is desirable that the vehicle speed has reached a predetermined vehicle speed according to the gear position at which the engine 6 is started, but the output torque of the motor 7 is set to a torque limit value. If it is controlled within the range, it may take time to reach the vehicle speed because sufficient acceleration cannot be obtained.
- the torque limit value setting unit 84 sets the torque limit value to the first torque limit value To that is derived by subtracting sufficient starting torque from the maximum torque.
- the ECU 5 controls the PDU 2 and the motor 7 so that the torque output from the motor 7 is within the range of the first torque limit value To.
- the sufficient starting torque is a torque larger than the minimum torque necessary for starting the engine 6 in which the motor 7 is stopped.
- the torque limit value setting unit 84 first determines that the vehicle speed does not increase even after a predetermined time has elapsed.
- the torque limit value is set to a second torque limit value Ts that is larger than the torque limit value To.
- the second torque limit value Ts is set to be larger than the first torque limit value To within the range of the maximum torque that can be output by the motor 7.
- the second torque limit value Ts is set so that the difference between the second torque limit value Ts and the maximum torque becomes the minimum torque necessary for starting the engine 6 by the motor 7.
- the ECU 5 controls the PDU 2 and the motor 7 so that the torque output from the motor 7 falls within the range of the second torque limit value Ts.
- the ECU 5 outputs the starting torque in addition to the driving torque.
- the engine 6 may be started.
- the ECU 5 increases the engagement torque of the first clutch 41 with an increase in the starting torque of the motor 7 and increases the rotational speed of the engine 6.
- ignition is performed together with fuel supply, and the engine 6 is started.
- the torque limit value setting unit 84 of the ECU 5 sets the first torque limit value To to the torque limit value.
- the engine 6 is controlled to start.
- the maximum energy amount E that can be output from the battery 3 is derived by the maximum energy amount deriving unit 87 a based on the SOC, temperature, and the like of the battery 3 detected by the battery state detecting unit 86.
- the maximum energy amount determination unit 87b determines whether the maximum energy amount E is less than a predetermined value Eth.
- the EV traveling is performed by driving the energy output from the battery 3 to the motor 7, so that the maximum energy amount E ⁇ Eth that the battery 3 can output is sufficient to continue the EV traveling mode. It is determined that it is difficult to obtain sufficient energy from the battery 3. Therefore, in such a case, the engine 6 is started and controlled so that the driving force can be output by the engine 6.
- the predetermined value Eth can be determined based on the current shift speed, or can be determined in accordance with the slope of the traveling road surface or the like.
- the engine 6 is controlled to start.
- the vehicle speed V is equal to or higher than the predetermined value Vth, it is determined that the required driving force is high and the driver's acceleration intention is high, so it is determined that it is difficult to continue the EV travel mode. Therefore, when the vehicle speed determination unit 85 determines that the vehicle speed V ⁇ Vth, the engine 6 is started and the engine 6 is controlled so that the driving force can be output.
- the predetermined value Vth can be determined based on the current shift speed, or may be determined according to the slope of the traveling road surface or the like.
- the engine 6 When starting the engine 6 when the vehicle is traveling in the first speed EV traveling mode, the engine 6 can be started at the first speed by engaging the first clutch 41 as described above. In addition, during traveling in the first speed EV traveling mode, the second shift shifter 52 is in-geared at the second speed connecting position, and then the second clutch 42 is engaged, so that the engine 6 is operated at the second speed. It can also be started. In this way, if the engine 6 can be started at a speed higher than the current speed, the torque required to start the engine 6 can be reduced. As can be seen from the thick line C in FIG. 5, when comparing the rotation speed of the crankshaft 6a of the engine 6 at the same point, the higher the gear position, the higher the vehicle speed required when starting the engine 6.
- the motor 7 when the vehicle speed does not increase even when the accelerator pedal is depressed, the motor 7 is limited within the range of the second torque limit value Ts that is larger than the normal first torque limit value To. Since the vehicle can be reached earlier at a higher vehicle speed, for example, the engine can be started at the second speed while traveling in the 1st EV traveling mode.
- FIG. 6A and FIG. 6B show the torque transmission state in the 1st EV travel Pre2 mode.
- 1st EV travel The transmission state of torque in the Pre2 mode is the same as that in the 1st EV travel mode shown in FIGS. 4 (a) and 4 (b).
- the second shift shifter 52 is connected to the second speed connection position.
- the second speed drive gear 22a and the second intermediate shaft 16 are rotated together as a result of being preshifted.
- the second main shaft 12 rotates from the second idle driven gear 27c attached to the second intermediate shaft 16 via the first idle driven gear 27b and the idle drive gear 27a.
- FIG. 8 is a timing chart showing an example of changes in each parameter during EV traveling on an uphill road or the like.
- the accelerator pedal has the first threshold value ( The vehicle speed does not increase even when the AP opening Hi) is reached at time t1, and the counter value shown in (b) counted by counting up from this time becomes the threshold value at time t2.
- the torque limit value change flag is set as shown in (c), and the torque limit value of the motor 7 is set to the second torque limit value Ts.
- the threshold value of the counter value shown in FIG. 8B is set to a different value depending on the vehicle speed.
- the output torque of the motor 7 when the vehicle speed does not increase even when the accelerator pedal opening increases during traveling in the EV traveling mode.
- the acceleration and the vehicle speed according to the request from the driver can be maintained in the EV traveling mode, and the traveling performance can be maintained.
- the hybrid vehicle drive device 1 has an odd-numbered stage gear disposed on the first main shaft 11 that is an input shaft to which a motor 7 of a twin clutch transmission is connected, and is an input shaft that is not connected to the motor 7. 2 Even-numbered gears are arranged on the intermediate shaft 16, but the present invention is not limited to this, and an input shaft in which even-numbered gears are arranged on the first main shaft 11 that is an input shaft to which the motor 7 is connected and the motor 7 is not connected. An odd gear may be disposed on the second intermediate shaft 16.
- gears may be provided as sixth, eighth,... Further, the slope S may be derived in consideration of the load capacity of the vehicle.
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Abstract
Description
請求項2に記載の発明のハイブリッド車両用駆動装置によれば、頻繁にトルク制限値が増加することによるバッテリの電力消費を防止可能である。
請求項3に記載の発明のハイブリッド車両用駆動装置によれば、必要以上なトルク制限値の増加を防止できる。
請求項4に記載の発明のハイブリッド車両用駆動装置によれば、トルク制限値が急激に切り替わることで運転者に違和感を与えることを防止できる。
請求項5に記載の発明のハイブリッド車両用駆動装置によれば、バッテリの電力消費を抑えながら車両の駆動力を確保できる。
請求項6に記載の発明のハイブリッド車両用駆動装置によれば、エンジンの始動中は第1トルク制限値に設定されるため、モータの駆動装置によるバッテリの消費を抑えることができる。
請求項7に記載の発明のハイブリッド車両用駆動装置によれば、駆動トルクを第2駆動トルク値に増加させたとしても、エンジン始動に必要な最小限のトルクは確保できるので、モータによって車速を上げて,エンジンを始動することで、車両の駆動力を確保できる。
本実施形態のハイブリッド車両用駆動装置1は、図1に示すように、車両(図示せず)の駆動軸9,9を介して駆動輪DW,DW(被駆動部)を駆動するためのものであり、駆動源である内燃機関(以下「エンジン」という)6と、電動機(以下「モータ」という)7と、動力を駆動輪DW,DWに伝達するための変速機20と、を備えている。
ここで、第1共用従動ギヤ23bは、連結軸13に取り付けられた第3速用駆動ギヤ23aと噛合して第3速用駆動ギヤ23aと共に第3速用ギヤ対23を構成し、第2中間軸16に設けられた第2速用駆動ギヤ22aと噛合して第2速用駆動ギヤ22aと共に第2速用ギヤ対22を構成する。
第2共用従動ギヤ24bは、第1主軸11に設けられた第5速用駆動ギヤ25aと噛合して第5速用駆動ギヤ25aと共に第5速用ギヤ対25を構成し、第2中間軸16に設けられた第4速用駆動ギヤ24aと噛合して第4速用駆動ギヤ24aと共に第4速用ギヤ対24を構成する。
ファイナルギヤ26aは差動ギヤ機構8と噛合して、差動ギヤ機構8は、駆動軸9,9を介して駆動輪DW,DWに連結されている。従って、カウンタ軸14に伝達された動力はファイナルギヤ26aから差動ギヤ機構8、駆動軸9,9、駆動輪DW,DWへと出力される。
(1)第1伝達経路は、エンジン6のクランク軸6aが、第1主軸11、遊星歯車機構30、連結軸13、第3速用ギヤ対23(第3速用駆動ギヤ23a、第1共用従動ギヤ23b)、カウンタ軸14、ファイナルギヤ26a、差動ギヤ機構8、駆動軸9,9を介して、駆動輪DW,DWに連結される伝達経路である。ここで、遊星歯車機構30の減速比は、第1伝達経路を介して駆動輪DW,DWに伝達されるエンジントルクが第1速相当となるように設定されている。即ち、遊星歯車機構30の減速比と第3速用ギヤ対23の減速比をかけ合わせた減速比が第1速相当となるように設定されている。
第1速EV走行は、初期状態からシンクロ機構61をロック状態(OWC ロックON)にすることによりなされる。この状態で、モータ7を駆動(正転方向にトルクを印加)すると、図4(a)に示すように、ロータ72に接続された遊星歯車機構31のサンギヤ32が正転方向に回転する。このとき、図4(b)に示すように、第1及び第2クラッチ41、42が切断されているため、サンギヤ32に伝達された動力は第1主軸11からエンジン6のクランク軸6aに伝達されることはない。そして、シンクロ機構61のロックがなされているため、モータトルクがサンギヤ32からキャリア36に減速して伝達され、第3速用ギヤ対23を通る第4伝達経路を介して駆動輪DW,DWに伝達される。
また、この1st EV走行モードでの後進走行は、モータ7を逆転方向に駆動し、逆転方向にモータトルクを印加することで行うことができる。
例えば、ハイブリッド車両用駆動装置1は、ツインクラッチ式変速機のモータ7が接続された入力軸である第1主軸11に奇数段ギヤを配置し、モータ7が接続されていない入力軸である第2中間軸16に偶数段ギヤを配置したが、これに限定されず、モータ7が接続された入力軸である第1主軸11に偶数段ギヤを配置し、モータ7が接続されていない入力軸である第2中間軸16に奇数段ギヤを配置してもよい。
3 バッテリ(蓄電器)
5 ECU
6 エンジン(内燃機関)
7 モータ(電動機)
11 第1主軸(第1入力軸)
14 カウンタ軸(出力軸)
16 第2中間軸(第2入力軸)
41 第1クラッチ(第1断接手段)
42 第2クラッチ(第2断接手段)
51 第1変速用シフター
52 第2変速用シフター
20 変速機
81 アクセルペダル開度判定部
82 始動トルク導出部
83 最大トルク導出部
84 トルク制限値設定部
85 車速判定部
86 バッテリ状態検出部
87a 最大エネルギー量導出部
87b 最大エネルギー量判定部
Claims (7)
- 内燃機関と、2つ以上の入力軸を有する変速機と、前記変速機の入力軸のいずれか一方に伝達可能に接続された電動機と、前記内燃機関と前記変速機とを断接する断接部と、を備え、前記内燃機関および前記電動機の少なくとも一方の動力により駆動されるハイブリッド車両用駆動装置において、
前記電動機によって出力可能な最大トルクを導出する最大トルク導出部と、
前記電動機によって前記内燃機関を始動させるための始動トルクを導出する始動トルク導出部と、
前記最大トルクと前記始動トルクとに基づき、前記電動機のみの動力により走行する際に前記電動機が出力する駆動トルクの制限値を設定するトルク制限値設定部と、
車両の速度を取得する車速取得部と、
アクセルペダルの開度を取得するアクセルペダル開度取得部と、を備え、
前記トルク制限値設定部は、前記駆動トルクの制限値を第1駆動トルク値に設定し、前記車両が前記電動機のみで走行中に前記アクセルペダル開度が増加しても前記速度が増加しないときは、前記駆動トルクの制限値を前記第1駆動トルク値よりも大きい第2駆動トルク値に設定することを特徴とするハイブリッド車両用駆動装置。 - 請求項1に記載のハイブリッド車両用駆動装置であって、
前記トルク制限値設定部は、前記アクセルペダル開度が増加しても前記車速が所定時間以上増加しないとき、前記駆動トルクの制限値を前記第1駆動トルク値よりも大きい前記第2駆動トルク値に設定することを特徴とするハイブリッド車両用駆動装置。 - 請求項1又は2に記載のハイブリッド車両用駆動装置であって、
前記駆動トルクの制限値が前記第2駆動トルク値に設定された状態で前記アクセルペダル開度が減少した場合、前記トルク制限値設定部は、前記駆動トルクの制限値を前記第2駆動トルク値から減少させることを特徴とするハイブリッド車両用駆動装置。 - 請求項3に記載のハイブリッド車両用駆動装置であって、
前記トルク制限値設定部は、前記駆動トルクの制限値を前記第2駆動トルク値から前記第1駆動トルク値に減少させるとき、前記駆動トルクの制限値を前記アクセルペダル開度の減少に応じて段階的に減少させることを特徴とするハイブリッド車両用駆動装置。 - 請求項1~4のいずれか一項に記載のハイブリッド車両用駆動装置であって、
前記車速が所定車速以上になったとき、前記電動機は、前記駆動トルクに加えて前記始動トルクを出力して前記内燃機関を始動することを特徴とするハイブリッド車両用駆動装置。 - 請求項5に記載のハイブリッド車両用駆動装置であって、
前記トルク制限値設定部は、前記内燃機関の始動後は前記駆動トルクの制限値を前記第1駆動トルク値に設定することを特徴とするハイブリッド車両用駆動装置。 - 請求項1~6のいずれか一項に記載のハイブリッド車両用駆動装置であって、
前記第2駆動トルク値と前記最大トルクとの差は、前記電動機が前記内燃機関を始動するのに必要な最小限のトルクであることを特徴とするハイブリッド車両用駆動装置。
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US14/916,256 US9561714B2 (en) | 2013-09-04 | 2014-09-04 | Hybrid electric vehicle drive apparatus |
MYPI2016700744A MY188975A (en) | 2013-09-04 | 2014-09-04 | Hybrid electric vehicle drive apparatus |
CN201480048535.4A CN105517828A (zh) | 2013-09-04 | 2014-09-04 | 混合动力车辆用驱动装置 |
KR1020167005944A KR20160040691A (ko) | 2013-09-04 | 2014-09-04 | 하이브리드 차량용 구동 장치 |
JP2015535523A JPWO2015034025A1 (ja) | 2013-09-04 | 2014-09-04 | ハイブリッド車両用駆動装置 |
EP14843121.6A EP3042818B1 (en) | 2013-09-04 | 2014-09-04 | Hybrid vehicle drive device |
CA2923015A CA2923015A1 (en) | 2013-09-04 | 2014-09-04 | Hybrid electric vehicle drive apparatus |
US15/385,073 US9925976B2 (en) | 2013-09-04 | 2016-12-20 | Hybrid electric vehicle drive apparatus |
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- 2014-09-04 MY MYPI2016700744A patent/MY188975A/en unknown
- 2014-09-04 KR KR1020167005944A patent/KR20160040691A/ko not_active Application Discontinuation
- 2014-09-04 WO PCT/JP2014/073404 patent/WO2015034025A1/ja active Application Filing
- 2014-09-04 CA CA2923015A patent/CA2923015A1/en not_active Abandoned
- 2014-09-04 EP EP14843121.6A patent/EP3042818B1/en not_active Not-in-force
- 2014-09-04 CN CN201480048535.4A patent/CN105517828A/zh active Pending
- 2014-09-04 US US14/916,256 patent/US9561714B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
US20170120900A1 (en) | 2017-05-04 |
EP3042818A4 (en) | 2017-07-19 |
CN105517828A (zh) | 2016-04-20 |
US9925976B2 (en) | 2018-03-27 |
EP3042818B1 (en) | 2019-04-10 |
MY188975A (en) | 2022-01-17 |
US20160207393A1 (en) | 2016-07-21 |
CA2923015A1 (en) | 2015-03-12 |
EP3042818A1 (en) | 2016-07-13 |
KR20160040691A (ko) | 2016-04-14 |
JPWO2015034025A1 (ja) | 2017-03-02 |
US9561714B2 (en) | 2017-02-07 |
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