WO2011111199A1 - 車両用ハイブリッド駆動装置 - Google Patents
車両用ハイブリッド駆動装置 Download PDFInfo
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- WO2011111199A1 WO2011111199A1 PCT/JP2010/054059 JP2010054059W WO2011111199A1 WO 2011111199 A1 WO2011111199 A1 WO 2011111199A1 JP 2010054059 W JP2010054059 W JP 2010054059W WO 2011111199 A1 WO2011111199 A1 WO 2011111199A1
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- engine
- motor
- travel
- traveling
- clutch
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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
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/448—Electrical distribution type
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
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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
Definitions
- the present invention relates to a vehicle hybrid drive device, and more particularly to a technique for improving responsiveness when switching from motor travel to engine travel.
- a saddle engine (b) a first electric motor connected to the engine, and (c) a first intermittent device that cuts off power transmission between the engine and the first electric motor and drive wheels; d) a second interrupting device that cuts off power transmission between the first interrupting device and the drive wheel; and (e) a second electric motor that can drive the vehicle even when the engine is stopped.
- a vehicle hybrid drive device capable of (f) motor travel that travels by stopping the engine and operating the second electric motor, and engine travel that travels by starting the engine.
- the device described in Patent Document 1 is an example, and includes a forward / reverse switching device as a first intermittent device, and a belt-type continuously variable power transmission path between the forward / backward switching device and the second intermittent device.
- a transmission is provided, and the second electric motor is connected between the second interrupting device and the drive wheel.
- power loss due to rotation of the continuously variable transmission or the like is reduced by cutting off the second interrupting device located closest to the second electric motor.
- the present invention has been made against the background of the above circumstances, and the object of the present invention is to run the engine by starting the engine and running from the motor running by stopping the engine and operating the second electric motor. This is to improve the responsiveness when switching to.
- the first invention includes (a) a soot engine, (b) a first motor connected to the engine, and (c) a soot between the engine and the first motor and drive wheels.
- the first interrupting device is disconnected and the second interrupting device is connected.
- the first intermittent device is disconnected and the second intermittent device is connected, and the first intermittent operation is performed.
- the vehicle is characterized in that it travels by selectively using two types of travels aimed at fuel consumption in which the device is connected and the second intermittent device is blocked.
- a third invention is characterized in that in the hybrid drive device of the first invention or the second invention, a transmission is disposed in a power transmission path between the first interrupting device and the second interrupting device. To do.
- the second intermittent device switches between a power transmission state in which power is transmitted at a predetermined speed ratio and a cut-off state in which the power transmission is interrupted. It is a transmission that can be used.
- the first interrupting device is disconnected and the second interrupting device is connected during motor traveling, so when starting the engine from motor traveling and shifting to engine traveling,
- the engine can be started quickly by cranking the engine with the first electric motor, and the connection control can be performed easily and quickly since it is only necessary to connect the first interrupting device after the engine is started.
- the responsiveness when shifting from motor running to engine running by an accelerator operation or the like is improved, and a large driving force by the engine can be quickly obtained. Satisfaction when driving force responsiveness is desired can be improved.
- the first interrupting device is shut off and the second interrupting device is connected, and responsive aiming traveling, and the first interrupting device is connected and the second interrupting device is shut off.
- the motor driving to the engine can be changed by switching between the driving for the responsiveness and the driving for the fuel consumption depending on the driver's preference, the vehicle speed, the vehicle state such as the SOC (the remaining amount of power stored in the power storage device) It is possible to suppress deterioration of fuel consumption as much as possible while improving the responsiveness when shifting to traveling.
- the second intermittent device close to the driving wheel is cut off, so that the number of members that are accompanied during traveling is reduced, power loss (motor load) is reduced, and excellent fuel efficiency is obtained.
- 3rd invention is a case where the transmission is arrange
- a fourth invention is a transmission in which the second interrupting device can be switched between a power transmission state in which power is transmitted at a predetermined speed ratio and a cut-off state in which the power transmission is interrupted. Since the transmission is disconnected from the engine when the first interrupting device is cut off, the inertia when the engine is cranked by the first electric motor is greatly reduced, the engine startability is improved, and the engine is driven from the motor running. The responsiveness when shifting to running is greatly improved.
- FIG. 1 is a schematic configuration diagram of a vehicle hybrid drive device according to an embodiment of the present invention, and is a diagram illustrating a control system for switching between motor travel and engine travel.
- FIG. 2 is a skeleton diagram illustrating an example of a forward / reverse switching device in FIG. 1. It is a figure which shows an example of the driving force source map used by the driving force source switching control which switches engine driving
- FIG. 6 It is a flowchart explaining another example of the motor travel switching means of FIG. 6 is a flowchart for explaining still another example of the motor travel switching means in FIG. 1.
- FIG. 1 It is a schematic block diagram which shows another example of the hybrid drive device for vehicles with which this invention is applied suitably. It is a figure explaining the fastening release state of the starting clutch at the time of motor driving
- FIG. 11 is a flowchart for explaining an example of switching between responsiveness-oriented traveling and fuel-efficient-oriented traveling depending on whether or not the sequential mode is selected when the shift pattern of FIG. 10 is provided.
- the engine is an internal combustion engine that generates power by burning fuel
- the first electric motor and the second electric motor can be used as an electric motor that generates electric power by electric energy, or an electric motor and a generator.
- the first electric motor may be disposed coaxially with the engine and integrally coupled to a crankshaft or the like, but may be connected to the engine via a synthetic distribution mechanism such as a planetary gear device, and the like.
- Various modes are possible, such as being able to connect to the engine via a speed increasing transmission.
- the second electric motor is connected to, for example, a power transmission path between the second interruption device and the drive wheel, but is different from the drive wheel provided with the engine, the first electric motor, the first interruption device, and the second interruption device.
- the driving wheel may be provided so as to be rotationally driven.
- the first interrupting device and the second interrupting device may be simple clutches, but a forward / reverse switching device having a clutch or a brake, or a shut-off state having a plurality of shift stages with different gear ratios and shutting off power transmission (A stepped transmission such as a planetary gear type or a parallel shaft type may be used.
- a hydraulic friction engagement device is preferably used as the clutch and brake.
- the engine is stopped and travel is performed using only the second electric motor as a driving power source for traveling.
- the first motor and the second motor are used as the driving power source for traveling.
- the first motor is a motor generator
- another motor traveling may be possible, such as traveling with the second motor while generating electric power by rotating the first motor with the engine.
- the engine travel is performed using at least the engine as a driving power source for traveling, and the first electric motor or the second motor can be used as an assisting driving power source as needed.
- a motor generator is used as the first electric motor or the second electric motor, various modes are possible, such as being able to travel with the engine while generating power by regenerative control using them as a generator.
- the responsiveness aiming driving and fuel efficiency aiming driving of the second invention When is selected, the responsive driving is selected, and when the eco mode is selected, the fuel consumption is selected.
- the driver's preference for power performance is judged from the driver's operation such as accelerator operation and brake operation. If power performance is important, the vehicle may be driven for responsiveness. .
- the SOC of the power storage device battery
- the fuel consumption target mode is set. You may make it switch to.
- the second electric motor can generate a sufficient torque for the accelerator operation.
- the fuel consumption is aimed, and if the vehicle speed V1 is exceeded, that is, the second electric motor alone cannot sufficiently handle the torque.
- the engine may be switched to responsive driving so that the engine can be started quickly.
- various modes are possible such that it is possible to properly use responsiveness-targeted driving and fuel-efficient-targeted driving based on navigation information or the like, or to combine the above switching conditions.
- the second aspect of the invention is a responsive aiming travel in which the first interrupting device is shut off and the second interrupting device is connected, and a fuel consumption aiming traveling in which the first interrupting device is connected and the second interrupting device is shut off.
- various types of motor traveling are possible, it is only necessary that at least responsive aiming traveling is possible when the first invention is implemented.
- third motor traveling that interrupts both the first intermittent device and the second intermittent device may be performed. Is possible.
- the transmission according to the third aspect of the invention may be a stepped transmission such as a planetary gear type or a parallel shaft type, or a continuously variable transmission such as a belt type.
- a stepped transmission such as a planetary gear type or a parallel shaft type
- a continuously variable transmission such as a belt type.
- the selection operation means operated by the driver is operated to determine whether or not traveling that emphasizes power performance such as driving force responsiveness is requested. And when it is determined that traveling with emphasis on power performance is required, the first interrupting device is shut off and the second interrupting device is connected to switch to responsive aiming traveling.
- the selection operation means includes a sport mode selection means for selecting a sport mode in which a gear ratio (including a shift speed and a shift range) of the automatic transmission can be manually changed, and a power pattern of a shift map of the automatic transmission. When the sport mode is selected or when the power pattern is selected by the power pattern selection means for selecting, it can be determined that traveling with an emphasis on power performance is required.
- the mode selection switch that allows the driver to arbitrarily select a power mode emphasizing power performance and an eco mode emphasizing fuel efficiency corresponds to power pattern selection means.
- FIG. 1 is a schematic configuration diagram of a vehicle hybrid drive apparatus 10 according to an embodiment of the present invention.
- An engine 12 a first motor generator MG1 connected to a crankshaft 14 of the engine 12, and an intermediate shaft 16 are illustrated.
- the forward / reverse switching device 22 is connected to the first motor generator MG1 and connected to the transmission 20 via the input shaft 18, and is provided between the output shaft 24 of the transmission 20 and the first gear 25.
- a start clutch 26 that cuts off power transmission, a counter shaft 30 provided with a second gear 28 that meshes with the first gear 25, a second motor generator MG 2 connected to the counter shaft 30, and the counter shaft 30.
- a differential gear device 36 provided with a third gear 32 and a fourth gear 34 meshing with the third gear 32; 38L, the precursor wheels 40L of the left and right that are connected via a 38R, and a 40R.
- the engine 12 is configured by an internal combustion engine that generates power by burning fuel, and the first motor generator MG1 and the second motor generator MG2 can be used as an electric motor and a generator, respectively.
- First motor generator MG1 corresponds to a first electric motor
- second motor generator MG2 corresponds to a second electric motor.
- the forward / reverse switching device 22 corresponds to a first interrupting device, and includes, for example, a double pinion type planetary gear device 42, a forward clutch C1, and a reverse brake B1, as shown in FIG.
- the sun gear of the planetary gear unit 42 is connected to the intermediate shaft 16 and the carrier is connected to the input shaft 18 and selectively connected to the intermediate shaft 16 via the forward clutch C1.
- the ring gear is selectively fixed to be non-rotatable via the reverse brake B1.
- the forward clutch C1 and the reverse brake B1 are configured by, for example, a hydraulic friction engagement device.
- various aspects such as being able to comprise using a single pinion type planetary gear apparatus, are possible.
- the transmission 20 is a belt type continuously variable transmission in this embodiment, and includes an input side pulley and an output side pulley.
- the input side pulley is arranged concentrically with the engine 12, the first motor generator MG1, and the forward / reverse switching device 22, and the output side pulley is arranged concentrically with the starting clutch 26 and the first gear 25.
- the starting clutch 26 is a hydraulic friction engagement device, and corresponds to a second interrupting device that cuts off connection of power transmission between the output shaft 24 and the first gear 25.
- the vehicle hybrid drive device 10 configured as described above stops the engine 12 and travels using only the second motor generator MG2 as a driving force source and traveling using the engine 12 as a driving force source. It is possible to run the engine, and a running control device 50 that performs control related to the motor running and the engine running is provided.
- the travel control device 50 includes a microcomputer, and performs signal processing in accordance with a program stored in advance in a ROM while using a temporary storage function of a RAM.
- a signal indicating (remaining power storage amount) is supplied.
- the mode selection switch 56 is a switch provided on an instrument panel, a steering wheel, or the like, for a driver to select a power mode that emphasizes driving performance or an eco mode that emphasizes fuel efficiency. Either the power mode or the eco mode is selected. One is selected.
- the transmission 20 has a power pattern or a vehicle speed V that allows a predetermined input speed relative to a vehicle speed V to be maintained at a relatively high speed (low gear side), for example, different speed changing conditions determined in advance depending on whether the power mode or the eco mode. Shift control is performed in accordance with an eco pattern so that the target input rotational speed with respect to is relatively low (high gear side).
- the mode selection switch 56 corresponds to pattern selection means (selection operation means). Moreover, SOC is calculated
- the traveling control device 50 functionally includes a motor traveling means 60, an engine traveling means 70, and a motor / engine switching means 72.
- the motor traveling means 60 stops the engine 12 and executes motor traveling using only the second motor generator MG2 as a driving force source.
- the engine traveling means 70 uses the engine 12 as a driving force source.
- the motor / engine switching means 72 switches between motor traveling and engine traveling in accordance with a driving force source map shown in FIG. 3, for example.
- the required output torque TOUT in FIG. 3 is obtained based on the accelerator operation amount ⁇ acc, etc., and the driving force source map has a lower vehicle speed side than the solid line A, and the lower required output torque side is a motor travel region, and the motor travel means The motor travel is executed by 60.
- the higher vehicle speed side and the higher required output torque side than the solid line A are set as the engine running region, and the engine running means 70 executes the engine running.
- assist torque is generated by the second motor generator MG2 as necessary, the first motor generator MG1 is regeneratively controlled to charge the power storage device, or power is supplied to the second motor generator MG2.
- the forward clutch C1 and the starting clutch 26 of the forward / reverse switching device 22 are both engaged when the engine is traveling, but the fuel consumption is that the forward clutch C1 is engaged and the starting clutch 26 is released when the motor is traveling.
- Two types of motor traveling are selectively executed: aiming traveling and responsive aiming traveling in which the forward clutch C1 is released and the start clutch 26 is engaged.
- the motor travel means 60 functionally includes a fuel efficiency target travel means 62, a responsiveness target travel means 64, and a motor travel switching means 66.
- the fuel efficiency target travel means 62 is a forward clutch C1. Is engaged and the starting clutch 26 is released, and the fuel consumption aiming traveling is performed using only the second motor generator MG2 as a driving force source.
- the forward clutch C1 When switching from motor driving for fuel consumption to engine driving, the forward clutch C1 is engaged, and therefore when the engine 12 is cranked by the first motor generator MG1, the input side pulley or output side of the transmission 20 is used. The pulley is also rotationally driven together, and the inertia becomes large and the startability is deteriorated. However, after the engine is started, it is only necessary to engage the starting clutch 26, so that the engagement control (hydraulic control) can be easily and quickly performed. it can. Engagement of the forward clutch C1 means connection of the first interrupting device, and release of the starting clutch 26 means disconnection of the second interrupting device.
- the responsive aim traveling means 64 releases the forward clutch C1 and fastens the start clutch 26 to execute the responsive aim travel that travels using only the second motor generator MG2 as a driving force source. That is, since the forward clutch C1 of the forward / reverse switching device 22 close to the engine 12 is released, the transmission 20 is disconnected from the engine 12, so that the inertia when the engine 12 is cranked by the first motor generator MG1 is small. Thus, the startability of the engine 12 when switching from motor running to engine running is improved, and the engine 12 can be started quickly. Further, since the starting clutch 26 has already been engaged since the motor travels, it is only necessary to engage only the forward clutch C1, and the engagement control (hydraulic control) can be easily and quickly performed.
- the responsiveness when shifting from motor traveling to engine traveling by an accelerator operation or the like is improved, and a large driving force by the engine 12 can be obtained quickly.
- the starting clutch 26 since the starting clutch 26 is engaged while the motor is running, the output side pulley and the input side pulley of the transmission 20 are rotated together, and the power loss increases accordingly, resulting in poor fuel consumption.
- the release of the forward clutch C1 means disconnection of the first interrupting device, and the engagement of the starting clutch 26 means connection of the second interrupting device.
- the motor travel switching means 66 executes signal processing according to the flowchart shown in FIG. 5, and switches between the fuel-efficient travel and the response-responsive travel according to the mode selected by the mode selection switch 56. It has become.
- Step S2 in FIG. 5 corresponds to the motor travel switching means 66
- step S3 corresponds to the responsiveness aimed travel means 64
- step S4 corresponds to the fuel efficiency aimed travel means 62.
- step S1 it is determined whether or not the motor travel is set by the motor / engine switching means 72. to decide.
- step S2 is executed to determine whether or not the mode selected by the mode selection switch 56 is the power mode. If the power mode is selected, it is determined that traveling with an emphasis on power performance is required, and step S3 is executed to release the forward clutch C1 and engage the start clutch 26, thereby responding. Carry out motor driving aimed at sex. If the eco mode is selected, step S4 is executed, and the forward clutch C1 is engaged and the start clutch 26 is released, so that the motor drive for fuel efficiency is executed.
- the motor travel switching means 66 for executing step S2 corresponds to a judgment means for judging whether or not traveling with emphasis on power performance is requested by the mode selection switch 56. In this case, the power mode is selected. In this case, it is determined that traveling with emphasis on power performance is required.
- the forward clutch C1 is released by the responsive aiming traveling means 64 and the vehicle starts. Since the clutch 26 is engaged and the responsive motor drive is executed, and the engine 12 and the transmission 20 are disconnected, the first motor is started when the engine 12 is started from the motor drive and shifted to the engine drive.
- the engine 12 can be started quickly by cranking the engine 12 with the generator MG1, and since it is only necessary to engage the forward clutch C1 after the engine is started, the engagement control can be performed easily and quickly.
- the responsiveness when shifting from the motor traveling to the engine traveling due to the accelerator operation or the like is improved, and a large driving force by the engine 12 can be quickly obtained, and the driver can respond to the accelerator operation with a high driving force response. Satisfaction with the desired power mode can be improved.
- the present embodiment there are two types of driving, which are responsive aiming in which the forward clutch C1 is disengaged and the starting clutch 26 is engaged, and fuel consumption aiming traveling in which the forward clutch C1 is engaged and the starting clutch 26 is released.
- the driver selects the power mode
- the motor driving for the responsiveness is executed, and when the eco mode is selected, the motor driving for the fuel consumption is executed, so the power mode is selected.
- the eco mode is selected, the mileage deterioration is suppressed to the minimum necessary by executing the motor drive aiming at the fuel efficiency when the eco mode is selected.
- the transmission 20 is disposed in the power transmission path between the forward / reverse switching device 22 and the starting clutch 26, and the forward clutch C1 of the forward / reverse switching device 22 is released when the motor travels.
- the transmission 20 is disconnected from the engine 12, so that the inertia when the engine 12 is cranked by the first motor generator MG1 is greatly reduced, and the startability of the engine 12 is improved. The responsiveness when shifting to engine running is greatly improved.
- FIG. 6 is a diagram illustrating another example of signal processing by the motor travel switching means 66, and is a flowchart executed instead of FIG. 5, in which fuel efficiency targeted travel and responsiveness targeted travel are performed in accordance with the SOC of the power storage device. This is the case of using properly.
- Steps R2 and R3 in FIG. 6 correspond to the motor travel switching means 66
- step R5 corresponds to the fuel efficiency target travel means 62
- step R6 corresponds to the responsiveness target travel means 64.
- step R1 it is determined whether the motor / engine switching means 72 is set to motor travel. If the motor is running, step R2 is executed to determine whether or not the SOC detected by the SOC sensor 58 is greater than a predetermined first set value SOC1.
- the first set value SOC1 is an upper limit value at which it is desired to reduce the SOC of the power storage device and save fuel consumption with respect to the operation of the first motor generator MG1 and the second motor generator MG2. Therefore, if SOC> SOC1, since there is sufficient SOC and there is no need to particularly save fuel consumption, step R4 is subsequently executed, and a series of signal processing is terminated without specially specifying motor travel.
- the driving is aimed at the fuel consumption or the responsiveness based on the SOC. For example, whether the mode selection switch 56 is in the power mode or not, whether the driving aimed at the fuel consumption is a response. It is determined whether to drive for sex.
- step R3 is executed to determine whether or not the SOC is equal to or greater than a predetermined second set value SOC2, in other words, whether or not it is within the range of SOC1 ⁇ SOC ⁇ SOC2. .
- the second set value SOC2 may cause the SOC of the power storage device to be reduced with respect to the operation of the first motor generator MG1 and the second motor generator MG2, and may start the engine 12 to switch to engine running or charge the power storage device. It is a higher value.
- step R3 determines whether the motor intended for fuel consumption is obtained. Run the run. Thereby, the fuel consumption (consumption amount of the power storage device) can be reduced and the travel distance of the motor travel can be extended. Further, if the determination in step R3 is NO, that is, if SOC2> SOC, step R6 is executed, and the forward clutch C1 is released and the start clutch 26 is engaged, thereby executing the motor drive for the purpose of responsiveness. . Thereby, the responsiveness at the time of starting the engine 12 is improved, and it is possible to quickly switch from motor traveling to engine traveling.
- the responsiveness aiming running means 64 is used.
- the forward clutch C1 is disengaged and the start clutch 26 is engaged to execute the responsive motor travel, and the engine 12 and the transmission 20 are disconnected. Therefore, the engine 12 is started from the motor travel and the engine travels.
- the engine 12 can be started quickly by cranking the engine 12 with the first motor generator MG1, and the forward clutch C1 only needs to be engaged after the engine is started. It can be carried out. Thereby, the responsiveness at the time of shifting from motor traveling to engine traveling is improved, and a large driving force by the engine 12 can be obtained quickly.
- a responsive aim in which the forward clutch C1 is released and the start clutch 26 is fastened
- a fuel efficiency target in which the forward clutch C1 is fastened and the start clutch 26 is released
- FIG. 7 is a diagram showing still another example of signal processing by the motor travel switching means 66, and is a flowchart executed instead of FIG. 5, in which fuel efficiency targeted travel and responsiveness targeted travel are performed according to the vehicle speed V. Is the case of switching.
- Step Q2 in FIG. 7 corresponds to the motor travel switching means 66
- step Q3 corresponds to the fuel efficiency targeted travel means 62
- step Q4 corresponds to the responsiveness targeted travel means 64.
- step Q1 it is determined whether or not the motor / engine switching means 72 is set to motor travel (advance).
- step Q2 is executed to determine whether or not the vehicle speed V detected by the vehicle speed sensor 54 is equal to or less than a predetermined set value V1.
- the set value V1 is obtained by the second motor generator MG2 so that a large torque can be obtained only by the second motor generator MG2 for the driver's accelerator operation. It is the upper limit vehicle speed that is unlikely to be switched to.
- step Q3 is executed, the forward clutch C1 is engaged, and the start clutch 26 is released, so that the motor drive aimed at fuel efficiency is executed. Further, if the determination in step Q2 is NO, that is, if V1 ⁇ V, step Q4 is executed, and the forward clutch C1 is released and the start clutch 26 is engaged, so that the motor drive for responsiveness is executed. . Thereby, the responsiveness at the time of starting the engine 12 is improved, and it is possible to quickly switch from motor traveling to engine traveling.
- the forward clutch C1 is released by the responsive aim travel means 64.
- the start clutch 26 is engaged and the motor drive for the responsiveness is executed, and the engine 12 and the transmission 20 are disconnected. Therefore, when the engine 12 is started from the motor drive and shifted to the engine drive, The engine 12 can be started quickly by cranking the engine 12 by the motor generator MG1, and since the forward clutch C1 only needs to be engaged after the engine is started, the engagement control can be performed easily and quickly. Thereby, the responsiveness at the time of shifting from motor traveling to engine traveling is improved, and a large driving force by the engine 12 can be obtained quickly.
- a responsive aim in which the forward clutch C1 is released and the start clutch 26 is fastened
- a fuel efficiency target in which the forward clutch C1 is fastened and the start clutch 26 is released
- both the forward clutch C1 and the starting clutch 26 may be released. In that case, when the vehicle speed V exceeds the set value V1 and the vehicle is switched to the responsiveness aiming at step Q4, it is only necessary to engage the starting clutch 26, and the switching control becomes easy.
- FIG. 8 is a schematic configuration diagram showing another example of a vehicle hybrid drive apparatus to which the present invention is preferably applied.
- the engine 12 is cranked by a starter motor 102 connected to a crankshaft 14 via a belt or the like, and a plurality of clutches and brakes are engaged and released.
- a stepped automatic transmission 104 such as a planetary gear type in which a plurality of shift stages are established according to the power transmission is provided, and power transmission is disconnected between the input shaft 106 and the crankshaft 14 of the automatic transmission 104.
- a starting clutch 108 is provided.
- the starter motor 102 corresponds to a first electric motor, and is configured by a motor generator that also has a function as a generator.
- the automatic transmission 104 can establish a neutral for interrupting power transmission by releasing a predetermined forward clutch 105 when the vehicle is traveling forward, and a predetermined speed change can be achieved by engaging the forward clutch 105. Power transmission is performed in the ratio.
- the starting clutch 108 corresponds to a first interrupting device
- the automatic transmission 104 corresponds to a second interrupting device.
- the first gear 25 is provided on the output shaft 110 of the automatic transmission 104, and the driving force is transmitted to the front drive wheels 40L and 40R.
- the second motor generator MG2 is not provided.
- this vehicle hybrid drive device 100 is provided with a rear wheel drive device 120, and by rotating and driving a differential gear device 126 through a fifth gear 122 and a sixth gear 124 by a rear motor generator RMG.
- the left and right rear drive wheels 130L and 130R are rotationally driven via the left and right axles 128L and 128R.
- Rear motor generator RMG corresponds to a second electric motor.
- the vehicle hybrid drive device 100 also includes a travel control device 50 as in the vehicle hybrid drive device 10 of the above embodiment, and the motor travel means 60 stops the engine 12 and only the rear motor generator RMG.
- the motor driving is performed by driving the rear driving wheels 130L and 130R to rotate.
- the engine running means 62 executes engine running in which the front drive wheels 40L and 40R are driven to rotate using the engine 12 as a driving force source. In this engine running, it is possible to run in a four-wheel drive state by rotating the rear drive wheels 130L and 130R by the rear motor generator RMG as necessary. Further, the motor / engine switching means 72 switches between motor traveling and engine traveling according to the driving force source map shown in FIG.
- the start clutch 108 and the forward clutch 105 of the automatic transmission 104 are both engaged when the engine is running, but when the motor is running, the start clutch 108 is engaged and the forward clutch 105 is released.
- Two types of motor traveling are selectively executed, namely traveling and releasing the start clutch 108 and engaging the forward clutch 105.
- the fuel efficiency targeted travel means 62 executes the fuel efficiency targeted travel in which the rear wheel generator travels using only the rear motor generator RMG as a drive power source in a state where the start clutch 108 is engaged and the forward clutch 105 is disengaged.
- the forward clutch 105 of the automatic transmission 104 By disengaging the forward clutch 105 of the automatic transmission 104 close to the front drive wheels 40L, 40R, the number of members that are accompanied when the motor is running is minimized, power loss is reduced, and fuel efficiency is improved accordingly.
- the start clutch 108 When switching from motor driving for fuel consumption to engine driving, since the start clutch 108 is engaged, when the engine 12 is cranked by the starter motor 102, a part of the automatic transmission 104 is also rotationally driven together. Although the inertia is increased and the startability is deteriorated, it is only necessary to engage the forward clutch 105 after the engine is started, so that the engagement control (hydraulic control) can be easily and quickly performed.
- the engagement of the start clutch 108 means connection of the first interrupting device, and the release of the forward clutch 105 means disconnection of the second interrupting device.
- the responsiveness aiming means 64 performs the responsiveness aiming running with the rear wheel driving using only the rear motor generator RMG as a driving force source in a state where the starting clutch 108 is disengaged and the forward clutch 105 is engaged. To do. When the start clutch 108 close to the engine 12 is released and the automatic transmission 104 is disconnected from the engine 12, the inertia when the engine 12 is cranked by the starter motor 102 is reduced. The startability of the engine 12 is improved and the engine 12 can be started quickly. Further, since the forward clutch 105 is already engaged since the motor travels, it is only necessary to engage only the starting clutch 108, and the engagement control (hydraulic control) can be easily and quickly performed.
- the responsiveness when shifting from motor traveling to engine traveling by an accelerator operation or the like is improved, and a large driving force by the engine 12 can be obtained quickly.
- the forward clutch 105 since the forward clutch 105 is engaged while the motor is running, the automatic transmission 104 is rotated, and the power loss increases accordingly, resulting in poor fuel consumption.
- the release of the starting clutch 108 means disconnection of the first interrupting device, and the engagement of the forward clutch 105 means connection of the second interrupting device.
- the motor travel switching means 66 performs the travel aimed at fuel consumption and the travel aimed at responsiveness in the same manner as in the first to third embodiments, based on the selection mode by the mode selection switch 56, the SOC of the power storage device or the vehicle speed V, for example. Configured for proper use. As a result, the same effects as those of the first to third embodiments can be obtained.
- FIG. 10 is a diagram showing the shift pattern 82 of the embodiment of FIG. 1, and the shift lever 80 disposed in the vicinity of the driver's seat has five lever positions “P”, “R”, “N”. , “D”, or “S” is manually operated.
- the “P” position is a neutral state (neutral state) in which both the forward clutch C1 and the reverse brake B1 of the forward / reverse switching device 22 are released to interrupt power transmission, and the countershaft 30 is mechanically rotated by a mechanical parking mechanism.
- the “R” position is a reverse travel position (position) where the reverse brake B1 is engaged for reverse travel, and the “N” position is “N” position.
- the forward travel position (position) for engaging the forward clutch C1.
- the transmission gear ratio (target input rotation speed, etc.) of the transmission 20 is automatically and continuously changed according to a predetermined shift condition according to the accelerator operation amount ⁇ acc, the vehicle speed V, and the like.
- the “S” position is a forward travel position that establishes a sequential mode in which the gear ratio is changed stepwise in accordance with manual operation of the shift lever 80.
- An upshift position “+” for shifting the speed ratio to the up side and a downshift position “ ⁇ ” for shifting the speed ratio to the down side each time the shift lever 80 is operated are provided.
- the upshift position “+” and the downshift position “ ⁇ ” are both unstable, and the shift lever 80 is automatically returned to the “S” position by a biasing means such as a spring.
- the gear ratio is changed according to the number of operations to the “+” or downshift position “ ⁇ ” or the holding time.
- the sequential mode corresponds to a sports mode in which the gear ratio can be switched manually, and the shift lever 80 corresponds to a sports mode selection unit (selection operation unit).
- the motor travel switching means 66 may switch between the responsive targeted travel and the fuel targeted travel depending on whether the sequential mode is selected as shown in FIG.
- the flowchart in FIG. 11 is used in place of FIG. 5, and it is determined whether or not the sequential mode is selected in step S2-1. Specifically, whether or not the shift lever 80 is operated to the “S” position. The point of judging is different. If the sequential mode is selected, it is determined that traveling with an emphasis on power performance is required, and step S3 is executed to release the forward clutch C1 and engage the start clutch 26, thereby responding. Carry out motor driving aimed at sex.
- step S4 is executed to engage the forward clutch C1 and release the start clutch 26.
- Execute motor driving aiming at fuel efficiency.
- the motor travel switching means 66 for executing step S2-1 corresponds to a judgment means for judging whether or not traveling with emphasis on power performance is requested by the shift lever 80. In this case, the sequential mode is selected. It is determined that traveling with an emphasis on power performance is required.
- the fifth embodiment can be executed in combination with any or all of the first to third embodiments. Moreover, it is also possible to apply to the vehicle hybrid drive apparatus 100 shown in FIG.
- Hybrid drive device for vehicle 12 Engine 20: Transmission 22: Forward / reverse switching device (first intermittent device) 26: Starting clutch (second intermittent device) 50: Travel control device 62: Driving means for fuel consumption 64 : Responsive aim travel means 66: motor travel switching means 102: starter motor (first electric motor) 104: automatic transmission (second intermittent device) 108: start clutch (first intermittent device) MG1: first motor generator (first motor generator) 1 motor) MG2: second motor generator (second motor) RMG: rear motor generator (second motor)
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- Combustion & Propulsion (AREA)
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- Automation & Control Theory (AREA)
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
図1は、本発明の一実施例である車両用ハイブリッド駆動装置10の概略構成図で、エンジン12と、エンジン12のクランク軸14に連結された第1モータジェネレータMG1と、中間軸16を介して第1モータジェネレータMG1に連結されるとともに入力軸18を介して変速機20に連結された前後進切換装置22と、変速機20の出力軸24と第1歯車25との間に設けられて動力伝達を接続遮断する発進クラッチ26と、第1歯車25と噛み合う第2歯車28が設けられたカウンタシャフト30と、カウンタシャフト30に連結された第2モータジェネレータMG2と、カウンタシャフト30に設けられた第3歯車32と、その第3歯車32と噛み合う第4歯車34が設けられた差動歯車装置36と、差動歯車装置36に左右の車軸38L、38Rを介して連結された左右の前駆動輪40L、40Rとを備えている。エンジン12は、燃料の燃焼で動力を発生する内燃機関にて構成されており、第1モータジェネレータMG1、第2モータジェネレータMG2はそれぞれ電動モータおよび発電機として用いることができる。第1モータジェネレータMG1は第1電動機に相当し、第2モータジェネレータMG2は第2電動機に相当する。
Claims (4)
- エンジンと、
該エンジンに接続された第1電動機と、
前記エンジンおよび前記第1電動機と駆動輪との間の動力伝達を接続遮断する第1断続装置と、
該第1断続装置と前記駆動輪との間の動力伝達を接続遮断する第2断続装置と、
前記エンジンの停止時でも車両を走行させることができる第2電動機と、
を有し、前記エンジンを停止するとともに前記第2電動機を作動させて走行するモータ走行、および該エンジンを始動して走行するエンジン走行が可能な車両用ハイブリッド駆動装置において、
前記モータ走行時に、前記第1断続装置が遮断されるとともに前記第2断続装置が接続される
ことを特徴とする車両用ハイブリッド駆動装置。 - 前記モータ走行時には、前記第1断続装置が遮断されるとともに前記第2断続装置が接続される応答性狙い走行、および該第1断続装置が接続されるとともに該第2断続装置が遮断される燃費狙い走行の2種類を使い分けて走行する
ことを特徴とする請求項1に記載の車両用ハイブリッド駆動装置。 - 前記第1断続装置と前記第2断続装置との間の動力伝達経路には変速機が配設されている
ことを特徴とする請求項1または2に記載の車両用ハイブリッド駆動装置。 - 前記第2断続装置は、所定の変速比で動力伝達する動力伝達状態と該動力伝達を遮断する遮断状態とに切り換えることができる変速機である
ことを特徴とする請求項1または2に記載の車両用ハイブリッド駆動装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/583,734 US20130005530A1 (en) | 2010-03-10 | 2010-03-10 | Vehicular hybrid drive system |
| JP2012504227A JP5392398B2 (ja) | 2010-03-10 | 2010-03-10 | 車両用ハイブリッド駆動装置 |
| PCT/JP2010/054059 WO2011111199A1 (ja) | 2010-03-10 | 2010-03-10 | 車両用ハイブリッド駆動装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/054059 WO2011111199A1 (ja) | 2010-03-10 | 2010-03-10 | 車両用ハイブリッド駆動装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011111199A1 true WO2011111199A1 (ja) | 2011-09-15 |
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ID=44563041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/054059 Ceased WO2011111199A1 (ja) | 2010-03-10 | 2010-03-10 | 車両用ハイブリッド駆動装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20130005530A1 (ja) |
| JP (1) | JP5392398B2 (ja) |
| WO (1) | WO2011111199A1 (ja) |
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| WO2013146175A1 (ja) * | 2012-03-26 | 2013-10-03 | ジヤトコ株式会社 | ハイブリッド車両の電気走行減速時変速制御装置 |
| WO2013145100A1 (ja) * | 2012-03-26 | 2013-10-03 | トヨタ自動車株式会社 | ハイブリッド車両の駆動制御装置 |
| JP2014065480A (ja) * | 2012-07-03 | 2014-04-17 | Ferrari Spa | 内燃機関と電気機械とを備えるハイブリッド車のための自動化手動変速機 |
| WO2014065302A1 (ja) * | 2012-10-25 | 2014-05-01 | ジヤトコ株式会社 | ハイブリッド車両のモード切り替え制御装置 |
| WO2019111458A1 (ja) * | 2017-12-04 | 2019-06-13 | 三菱自動車工業株式会社 | 車両の制御装置 |
| CN113272194A (zh) * | 2019-01-18 | 2021-08-17 | 三菱自动车工业株式会社 | 车辆的控制装置 |
| JP2024176136A (ja) * | 2023-06-07 | 2024-12-19 | トヨタ自動車株式会社 | 車両制御装置、車両制御方法、車両制御プログラム、及び車両 |
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| US9630627B2 (en) * | 2015-09-10 | 2017-04-25 | Ford Global Technologies, Llc | Method and apparatus for adaptive drive control including fuel-economic mode engagement |
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| WO2013146175A1 (ja) * | 2012-03-26 | 2013-10-03 | ジヤトコ株式会社 | ハイブリッド車両の電気走行減速時変速制御装置 |
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| WO2014065302A1 (ja) * | 2012-10-25 | 2014-05-01 | ジヤトコ株式会社 | ハイブリッド車両のモード切り替え制御装置 |
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| JP2024176136A (ja) * | 2023-06-07 | 2024-12-19 | トヨタ自動車株式会社 | 車両制御装置、車両制御方法、車両制御プログラム、及び車両 |
| GB2639640A (en) * | 2024-03-20 | 2025-10-01 | Ricardo Uk Ltd | Hybrid powertrain |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130005530A1 (en) | 2013-01-03 |
| JP5392398B2 (ja) | 2014-01-22 |
| JPWO2011111199A1 (ja) | 2013-06-27 |
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