WO2007096718A1 - Dispositif de commande pour véhicule, procédé de commande pour véhicule et procédé d'estimation de consommation d'énergie d'un ventilateur de refroidissement - Google Patents

Dispositif de commande pour véhicule, procédé de commande pour véhicule et procédé d'estimation de consommation d'énergie d'un ventilateur de refroidissement Download PDF

Info

Publication number
WO2007096718A1
WO2007096718A1 PCT/IB2007/000168 IB2007000168W WO2007096718A1 WO 2007096718 A1 WO2007096718 A1 WO 2007096718A1 IB 2007000168 W IB2007000168 W IB 2007000168W WO 2007096718 A1 WO2007096718 A1 WO 2007096718A1
Authority
WO
WIPO (PCT)
Prior art keywords
internal combustion
combustion engine
cooling fan
fluid coupling
rotational speed
Prior art date
Application number
PCT/IB2007/000168
Other languages
English (en)
Inventor
Hideto Minekawa
Original Assignee
Toyota Jidosha Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to CN2007800064177A priority Critical patent/CN101389847B/zh
Priority to US12/087,995 priority patent/US20090007856A1/en
Priority to DE112007000432T priority patent/DE112007000432T5/de
Publication of WO2007096718A1 publication Critical patent/WO2007096718A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • F01P7/042—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using fluid couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1002—Output torque
    • F02D2200/1004—Estimation of the output torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/18—Control of the engine output torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/08—Introducing corrections for particular operating conditions for idling
    • F02D41/083—Introducing corrections for particular operating conditions for idling taking into account engine load variation, e.g. air-conditionning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2300/00—Control related aspects of engine starting
    • F02N2300/10—Control related aspects of engine starting characterised by the control output, i.e. means or parameters used as a control output or target
    • F02N2300/104—Control of the starter motor torque

Definitions

  • the present invention relates to a control device for a vehicle which comprises an internal combustion engine, and a cooling device including a cooling fan used for cooling of a device the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan; and to a control method for such a vehicle, and to a method for estimating power consumption of a cooling fan.
  • the power consumed by the cooling fan varies greatly according to the state of the fluid coupling (i.e. according to the amount of oil which is supplied to its drive chamber). Due to this, if such a predetermined value is used, the accuracy of estimation is decreased. As a result, sometimes it happens that it becomes impossible to control the operation of the internal combustion engine in an appropriate manner, which is undesirable.
  • the control device for a vehicle and the method for estimating the power consumption of a cooling fan according to the present invention take it as one of their objects to estimate the power consumption of a cooling fan of a cooling device, the cooling fan being one auxiliary unit which consumes power from the internal combustion engine, in a more accurate manner. Furthermore, the control device for a vehicle according to the present invention takes it as one of its objects to estimate the power consumption of an auxiliary unit which consumes power from the internal combustion engine more accurately, thus performing control of the operation of the internal combustion engine in a more appropriate manner. Moreover, the control device for a vehicle according to the present invention takes it as one of its objects to estimate the power consumption of an auxiliary unit which consumes power from the internal combustion engine more accurately, thus performing control of the starting of the internal combustion engine in a more appropriate manner.
  • control device for a vehicle and the method for estimating the power consumption of a cooling fan according to the present invention employ the means detailed below for attaining at least a portion of the objective described above.
  • a first aspect of the present invention relates, in a vehicle including an internal combustion engine and a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, to a control device for a vehicle.
  • this control device for a vehicle includes a fan side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the cooling fan, and a power consumption estimation means which estimates the power consumption of the cooling fan, based at least upon the rotational speed on the side of the cooling fan which has been detected.
  • the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan
  • the power consumption of the cooling fan is estimated based at least upon the rotational speed on the side of the cooling fan. This is based upon the fact that the rotational speed of the cooling fan is adjusted according to the state of the fluid coupling, and upon the fact that the state of the fluid coupling exerts a great influence upon the power consumption of the cooling fan.
  • the term “device” there is included a heat exchanger which is used for cooling the internal combustion engine, or a heat exchanger of an air conditioning device, or, in the case of a vehicle which incorporates an electric motor for propulsion, a heat exchanger or the like which is used for cooling an electrical drive system related to this electric motor.
  • an engine side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the internal combustion engine.
  • the power consumption estimation means may be a means which estimates the power consumption of the cooling fan, based upon the rotational speed on the side of the cooling fan which has been detected, and upon the rotational speed on the side of the internal combustion engine which has been detected. If this is done, it is possible to estimate the power consumption of the cooling fan yet more accurately.
  • a second aspect of the present invention relates, in a vehicle including an internal combustion engine and a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, to a control device for a vehicle.
  • this control device for a vehicle includes an engine side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the internal combustion engine, a state estimation means which estimates the state of the fluid coupling, and a power consumption estimation means which estimates the power consumption of the cooling fan, based upon the rotational speed on the side of the internal combustion engine which has been detected, and upon the state of the fluid coupling which has been estimated.
  • a cooling device including a cooling fan used for cooling of a device the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan
  • the power consumption of the cooling fan is estimated, based upon the rotational speed on the side of the internal combustion engine, and upon the state of the fluid coupling. Due to this, it is based upon the fact that the state of the fluid coupling exerts a great influence upon the power consumption of the cooling fan. Because of this, it is possible to estimate the power consumption of the cooling fan more accurately.
  • the state estimation means may include an engine side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the internal combustion engine, and a fan side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the cooling fan. And it would also be acceptable to arrange for the means to estimate the state of the fluid coupling, based upon the rotational speed on the side of the internal combustion engine which has been detected, and upon the rotational speed on the side of the cooling fan which has been detected.
  • the fluid coupling to be made so as to adjust the amount of the viscous fluid which is supplied to the power transmission unit, according to the temperature of the device, and to arrange for the state estimation means to include a temperature detection means which detects the temperature of the device, and to be a means which estimates the state of the fluid coupling based upon the temperature of the device which has been detected. This is done, it is possible to estimate the state of the fluid coupling in a more accurate manner.
  • the adjustment state of the amount of the viscous fluid which is supplied to the power transmission unit is included in the state of the fluid coupling.
  • the power consumption estimation means prefferably be a means which estimates the power consumption of an auxiliary unit which is driven from and consumes power from the internal combustion engine, and to include an operation control means which controls the operation of the internal combustion engine based upon the power consumption of the auxiliary unit which has been estimated. By doing this, it is possible to perform operation control of the internal combustion engine in a more accurate manner.
  • the operation control means it would also be acceptable to arrange for the operation control means to be a means which controls the operation of the internal combustion engine, so that the power which is lacking based upon the estimation of the power consumption of the auxiliary unit is outputted from the internal combustion engine.
  • an output setting means which sets a target output for the internal combustion engine based upon input to the vehicle.
  • the operation control means it would also be acceptable for the operation control means to be a means which controls the operation of the internal combustion engine, so that the power, obtained by integrating the target output of the internal combustion engine which has been set by the output setting means and the power consumption of the auxiliary unit which has been estimated, is outputted by the internal combustion engine.
  • the engine side rotational speed detection means to detect the time rate of change of the rotational speed of the fluid coupling on the side of the internal combustion engine.
  • the fan side rotational speed detection means to detect the time rate of change of the rotational speed of the fluid coupling on the side of the cooling fan.
  • the power consumption estimation means to estimate the power consumption of the cooling fan, based upon the time rate of change of the rotational speed of the fluid coupling on the side of the internal combustion engine which has been detected, and the time rate of change of the rotational speed of the fluid coupling on the side of the cooling fan which has been detected.
  • the power consumption estimation means it would also be acceptable to include a vehicle speed detection means which detects the speed of the vehicle.
  • the power consumption estimation means it would also be acceptable to arrange for the power consumption estimation means to estimate the power consumption of the cooling fan, based upon the vehicle speed which has been detected, upon the time rate of change of the rotational speed on the side of the internal combustion engine which has been detected, and upon the time rate of change of the rotational speed on the side of the cooling fan which has been detected.
  • a third aspect of the present invention is a control device for a vehicle including an internal combustion engine, a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, and a motoring means which is capable of motoring the internal combustion engine, which stops the operation of the internal combustion engine automatically when a predetermined stoppage condition has become effective, and starts the operation of the internal combustion engine automatically when, with the operation of the internal combustion engine stopped, the predetermined starting condition has become effective; and takes, as its gist, a state estimation means which estimates the state of the fluid coupling, and a starting control means which, when the predetermined starting condition has become effective, sets a target torque based upon the state of the fluid coupling which has been estimated, and controls the motoring means and the internal combustion engine, so
  • this third aspect of the present invention relates to a control device for a vehicle, in a vehicle which includes an internal combustion engine, a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, and a motoring means which is capable of motoring the internal combustion engine.
  • This control device for a vehicle estimates the state of the fluid coupling, and sets a target torque based upon the state of the fluid coupling which has been estimated and controls the motoring means and the internal combustion engine, so that the internal combustion engine is motored with the target torque which has been set, and is started. Since the state of the fluid coupling is estimated and is reflected in the target torque when motoring the internal combustion engine, accordingly it is possible to perform motoring of the internal combustion engine in an appropriate manner, and to start it, irrespective of the state of the fluid coupling, and thus it is possible to perform starting of the internal combustion engine in an appropriate manner.
  • the state of the fluid coupling includes the adjustment state of the viscous fluid which is supplied to its power transmission unit.
  • a storage means for storing data for the state estimation means to include an engine side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the internal combustion engine, and a fan side rotational speed detection means which detects the rotational speed of the fluid coupling on the side of the cooling fan, and to be a means which, along with estimating the state of the fluid coupling based upon the rotational speed on the side of the internal combustion engine, and upon the rotational speed on the side of the cooling fan, which have been detected during operation of the internal combustion engine, also stores the estimated state of the fluid coupling in the storage means.
  • the fluid coupling it would also be acceptable to arrange for the fluid coupling to be so adapted that the amount of the viscous fluid which is'supplied to the power transmission unit is adjusted according to the temperature of the device, and for the state estimation means to include a temperature detection means which detects the temperature of the device, and to be a means which estimates the state of the fluid coupling based upon the temperature which has been detected. If this is done, it is possible to estimate the state of the fluid coupling in a more accurate manner.
  • a fourth aspect of the present invention relates, for a vehicle including an internal combustion engine and a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, to a power consumption estimation method for estimating the power consumption of the cooling fan. And the power consumption of the cooling fan is estimated, based upon the rotational- speed on the side of the cooling fan, and upon the rotational speed on the side of the internal combustion engine.
  • a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, the power consumption of the cooling fan is estimated, based at least upon the rotational speed of the fluid coupling on the side of the cooling fan.
  • the term “device” there is included a heat exchanger which is used for cooling the internal combustion engine, or a heat exchanger of an air conditioning device, or, in the case of a vehicle which incorporates an electric motor for propulsion, a heat exchanger or the like which is used for cooling an electrical drive system related to this electric motor.
  • a fifth aspect of the present invention relates to, for a vehicle including an internal combustion engine and a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, a power consumption estimation method for estimating the power consumption of the cooling fan.
  • this power consumption estimation method includes a step of detecting the rotational speed of the fluid coupling on the side of the cooling fan, and a step of estimating the power consumption of the cooling fan, based upon the rotational speed on the side of the cooling fan which has been detected.
  • a sixth aspect of the present invention relates to, for a vehicle including an internal combustion engine and a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, a power consumption estimation method for estimating the power consumption of the cooling fan.
  • this power consumption estimation method includes a step of detecting the rotational speed of the fluid coupling on the side of the internal combustion engine, a step of estimating the state of the fluid coupling; and a step of estimating the power consumption of the cooling fan, based upon the rotational speed on the side of the internal combustion engine which has been detected, and upon the state of the fluid coupling which has been detected.
  • a seventh aspect of the present invention relates to, for a vehicle including an internal combustion engine, a cooling device including a cooling fan used for cooling of a device, the cooling fan being one auxiliary unit which is driven along with consuming power from the internal combustion engine, and a fluid coupling which, along with adjusting the amount of a viscous fluid which is supplied to a power transmission unit, also transmits power from the internal combustion engine to the cooling fan, and a motoring means which is capable of motoring the internal combustion engine, a control method for a vehicle.
  • this control method for a vehicle includes a step of estimating the state of the fluid coupling, a step of, when a predetermined starting condition becomes effective, setting a target torque based upon the state of the fluid coupling which has been estimated; and a step of controlling the motoring means and the internal combustion engine, so that the internal combustion engine is motored with the target torque which has been set, and is started.
  • Fig. 1 is a structural diagram showing the schematic structure of a vehicle as one embodiment of the present invention
  • Fig. 2 is a structural diagram showing the schematic structure of a fluid coupling
  • Fig. 3 is a flow chart showing an example of a drive control routine which is executed by an electronic control unit of this embodiment
  • Fig. 4 is a flow chart showing an example of auxiliary machinery energy consumption estimation processing, which is executed by the electronic control unit of this embodiment
  • Fig. 5 is an explanatory figure showing an example of a map for setting fan energy consumption
  • Fig. 6 is a flow chart showing an example of a starting control routine which is executed by the electronic control unit of this embodiment
  • Fig. 7 is a flow chart showing an example of a coupling state estimation routine which is executed by the electronic control unit of this embodiment
  • Fig. 8 is an explanatory figure showing an example of a map for setting coupling state.
  • Fig. 9 is an explanatory figure showing an example of a relationship between pulley rotational speed Np, coupling state F, and fan energy consumption Pf.
  • Fig. 1 is a structural diagram showing the schematic structure of a vehicle 20, as an embodiment of the present invention.
  • this vehicle 20 of the embodiment comprises an engine 22, an automatic transmission 26, a starter motor 28 (shown in the figure as ST), an alternator 36, a battery 38, an auxiliary machine 39, a cooling device 40, and an electronic control unit 70.
  • the engine 22 is an internal combustion engine which outputs power from a hydrocarbon type fuel such as gasoline or light oil or the like.
  • the automatic transmission 26 changes the speed of power which is outputted from a crank shaft 24 of the engine 22 and transmits it to vehicle wheels 34a and 34b via a differential gear 32.
  • the starter motor 28 is made to be capable of motoring the engine 22.
  • the alternator 36 generates electricity using power from the engine 22.
  • the battery 38 can give electrical power to the starter motor 28 and accept electrical power from the alternator 36.
  • the auxiliary unit 39 is driven by electrical power generated by the alternator 36, or by electrical power from the battery 38.
  • the cooling device 40 cools the engine 22 by power from the engine 22, using cooling water.
  • the electronic control unit 70 performs overall control of the vehicle. It should be understood that, to this vehicle 20 of this embodiment, as auxiliary units which are driven while consuming power from the engine 22, apart from the alternator 36 and the cooling device 40 described above, there are also mounted a power steering device and the compressor of an air conditioner and the like, not shown in the figures.
  • the cooling device 40 comprises a radiator 42, a water pump 44, and a cooling fan 46.
  • the radiator 42 performs heat exchange between the cooling water of the engine 22 and the external air.
  • the water pump 44 is driven by the power of the engine 22, and circulates the cooling water around a circulation path 43 which connects together the radiator 42 and the engine 22.
  • the cooling fan 46 is rotationally driven by power inputted from the engine 22, via a fluid coupling 50.
  • a pulley 50a is fixed to an input shaft 51 of the fluid coupling 50, and a belt 23 is extended between this pulley 50a and a pulley 22a of the engine 22.
  • the fluid coupling 50 is built so as to be able to transmit the power which is inputted from the engine 22 to the cooling fan 46 using a drive fluid (drive oil) such as silicon oil or the like.
  • Fig. 2 is a structural diagram showing the schematic structure of this fluid coupling 50.
  • the fluid coupling 50 comprises a housing 54, a disk 56, a partition plate 58, and an actuator unit 60.
  • the cooling fan 46 is fitted upon the outer circumferential edge of the housing 54, which is supported upon the input shaft 51 via a bearing 52 so as to be free to rotate thereupon. And, along with being contained within the housing 54, the disk 56 is fixed upon the end of the input shaft 51, so as to transmit power which has been inputted to the input shaft 51 to the housing 54 using drive oil.
  • the partition plate 58 along with partitioning the space within the housing 54 into a reservoir chamber 61 which stores drive oil and a drive chamber 62 which contains the disk 56, is also formed with supply orifices 58a which can be opened so as to supply drive oil from the reservoir chamber 61 to the drive chamber 62, or can be closed.
  • the actuator unit 60 opens and closes these supply orifices 58a in the partition plate 58.
  • the housing 54 comprises a main body portion 54b and a cover portion 54a, and these are connected together by bolts 55. Although this feature is not shown in the figure, in this housing 54 there are formed passages to circulate the drive oil charged in the drive chamber 62 back to the reservoir chamber 61 by using the rotation of the disk 56.
  • the actuator unit 60 comprises a bimetal 60a, which is disposed at the front thereof with respect to the direction of forward movement of the vehicle, and at the rear of the radiator 42.
  • the supply orifices 58a in the partition plate 58 are opened and closed along with deformation of this bimetal 60, and thereby it becomes possible to adjust the amount of drive oil which is supplied from the reservoir chamber 61 to the drive chamber 62.
  • the temperature of the ambient atmosphere in the vicinity of the bimetal 60a i.e.
  • the supply orifices 58a of the partition plate 58 are closed due to the deformation of the bimetal 60a, and the amount of drive oil which is supplied from the reservoir chamber 61 into the drive chamber 62 becomes smaller. Accordingly, the torque which is transmitted from the disk 56 to the housing 54 becomes smaller. As a result, the rotational speed of the cooling fan 46 becomes lower.
  • the supply orifices 58a of the partition plate 58 are opened due to the deformation of the bimetal 60a, and the amount of drive oil which is supplied from the reservoir chamber 61 into the drive chamber 62 becomes larger. Accordingly, the torque which is transmitted from the disk 56 to the housing 54 becomes larger. As a result, the rotational speed of the cooling fan 46 becomes higher. In this manner, the actuator unit 60 adjusts the rotational speed of the cooling fan 46.
  • the belt 23 is also extended between the pulley 22a of the engine 22 and a pulley 36a which is mounted upon the rotation shaft of the alternator 36.
  • the alternator 36 it becomes possible for the alternator 36 to be driven by the power from the engine 22 and to generate electricity. This electrical power which has been generated by the alternator
  • the electronic control unit 70 comprises a micro processor, a main portion of which is a CPU 72. And, apart from the CPU 72, the electronic unit 70 comprises a ROM 74 which stores a processing program, a RAM 76 which temporarily stores data, and input ports and output ports not shown in the figure.
  • the engine rotational speed Ne is detected by a rotational speed sensor 25 which is fitted to the crank shaft 24 of the engine 22.
  • the fan rotational speed Nf is detected by a rotational speed sensor 47 which is fitted to the cooling fan 46.
  • the shift position SP is detected by a shift position sensor 82 which detects the actuation position of a shift lever 81.
  • the accelerator opening amount Ace is detected by an accelerator pedal position sensor 84 which detects the amount by which an accelerator pedal 83 is stepped upon.
  • the brake pedal position BP is detected by a brake pedal position sensor 86 which detects the amount by which a brake pedal 85 is stepped upon.
  • the vehicle speed V is detected by a vehicle speed sensor 88. And from the electronic control unit 70, via output ports thereof, there are outputted a control signal to the engine 22, a control signal for the automatic transmission 26, a drive signal to the starter motor 28, a drive signal to the alternator 36, and the like.
  • Fig. 3 is a flow chart showing an example of a drive control routine which is executed by the electronic control unit 70 of this embodiment. This routine is executed repeatedly at a predetermined time cycle.
  • the auxiliary unit energy consumption Pa of the auxiliary units which are being driven while consuming power from the engine 22, such as the cooling fan 46 and the alternator 36 and the like, is estimated (in a step S 120).
  • This auxiliary unit energy consumption estimation processing of the step S120 is shown in Fig. 4.
  • the data which is necessary for the processing is inputted (in a step S 122), such as the engine rotational speed Ne and the fan rotational speed from the rotational speed sensor 47, the energy consumption Px of the auxiliary units which consume power from the engine 22 apart from the cooling fan 46, and the like.
  • a pulley rotational speed Np which is the rotational speed of the input shaft 51 of the fluid coupling 50 (i.e. of the pulley 50a), is calculated (in a step S 124) by multiplying the engine rotational speed Ne which has been inputted in the step S 122 by a conversion coefficient (the pulley ratio).
  • the fan energy consumption Pf which is the energy consumed by the cooling fan 46, is estimated (in a step S 126), based upon the pulley rotational speed Np which has been calculated in the step S 124 and upon the fan rotational speed Nf which has been inputted.
  • the auxiliary unit energy consumption Pa is set (in a step S 128) by adding the energy consumption Px which has been inputted to this fan energy consumption Pf which has been estimated in the step S126.
  • the energy consumption Px may be obtained by adding together the energy consumptions of the various auxiliary units.
  • the derivation of the energy consumption of each of the auxiliary units may be performed in the following manner. For example, the electrical power which is being generated by the alternator 36 is detected. Or, for the energy consumption of an auxiliary unit such as the water pump 44, or a power steering device, a compressor of an air conditioner, or the like, a value according to its ON/OFF state and the engine rotational speed Ne may be used.
  • the relationship between the pulley rotational speed Np, the fan rotational speed Nf, and the fan energy consumption Pf is obtained in advance and is stored as a map for energy consumption estimation in the ROM 74.
  • the pulley rotational speed Np and the fan rotational speed Nf are given, the corresponding fan energy consumption Pf is set by derivation from the stored map.
  • An example of such a map for setting the fan energy consumption is shown in Fig. 5.
  • the fan energy consumption Pf is estimated based upon the pulley rotational speed Np (the engine rotational speed Ne) and the fan rotational speed Nf.
  • the reason for this is based upon the fact that the fan rotational speed Nf corresponding to the pulley rotational speed Np is governed by the state of the fluid coupling 50 (i.e., by the amount of the drive oil which is being charged into the drive chamber 62 from the reservoir chamber 61), and by the fact that the state of the fluid coupling 50 exert a great influence upon the fan energy consumption Pf.
  • the value obtained by dividing the auxiliary unit energy consumption Pa which has been estimated by the rotational speed Ne of the engine which has been inputted is set as a compensation opening amount THset (in a step S 130).
  • the target throttle opening amount TH* is compensated (in a step S 140) by adding the compensation opening amount THset which is set in the step S 130 to the target throttle opening amount TH*.
  • the automatic transmission 26 is drive controlled to a target speed change ratio ⁇ (in a step S 150). And then this routine ends.
  • FIG. 6 is a flow chart showing an example of a starting control routine which is executed by the electronic control unit 70 of this embodiment. This routine is executed when a predetermined starting condition becomes effective.
  • the CPU 72 of the electronic control unit 70 inputs the coupling state F, which is the state of the fluid coupling 50 when the engine is operated the previous time.
  • This coupling state F is set as the amount of drive oil which, according to estimation, is charged from the reservoir chamber 61 into the drive chamber 62.
  • the coupling state F may be inputted by reading in a value which is stored in a predetermined region of the RAM 76, and which is estimated by a coupling state estimation routine of which an example is shown in Fig. 7.
  • a coupling state estimation routine of Fig. 7 first, the engine rotational speed Ne from the rotational speed sensor 25 and the fan rotational speed Nf from the rotational speed sensor 47 are inputted (in a step S202). Then (in a step S204) the pulley rotational speed Np is calculated as the rotational speed of the pulley 50a which is obtained by multiplying the engine rotational speed Ne which is inputted in the step S202 by a conversion coefficient k.
  • the coupling state F is estimated (in a step S206) based upon the pulley rotational speed Np which has been calculated in the step S204 and upon the fan rotational speed Nf.
  • the coupling state F which has been estimated in the step S206 is stored in a predetermined region of the RAM 76 (in a step S208).
  • the coupling state F the relationship between the fan rotational speed Nf and the pulley rotational speed Np, and the coupling state F, is obtained in advance and is stored in the ROM 74 as a map for setting the coupling state.
  • the fan rotational speed Nf and the pulley rotational speed Np are provided, it is arranged to derive and to set the coupling state F which correspond thereto, based upon the map stored in the ROM 74.
  • An example of this map for setting the coupling state is shown in Fig. 8.
  • the estimation of the coupling state F is broken down as three states: an ON state in which the supply orifices 58a of the partition plate 58 are approximately fully open, a MID state in which they are half open, and an OFF state in which they are approximately fully closed.
  • the coupling state F is estimated based upon the fan rotational speed Nf and the pulley rotational speed Np.
  • the fan rotational speed Nf is adjusted with respect to the pulley rotational speed Np according to the state of the fluid coupling 50 (i.e. according to the amount of drive oil which is charged from the reservoir chamber 61 into the drive chamber 62).
  • a target motoring torque Tm* which must be outputted from the starter motor 24 is set (in a step S210) based upon this coupling state F which has been inputted.
  • the target motoring torque Tm* has a tendency to become larger, the larger is the amount of drive oil which is charged into the drive chamber 62 (in this embodiment, in order, the OFF State, the MID state, and the ON state), which is the coupling state F; and the relationship between the coupling state F and the target motoring torque Tm* is obtained in advance and is stored in the ROM 74 as a map.
  • the coupling state F is supplied, it is arranged to derive and to set the corresponding target motoring torque Tm* from the map which is stored in the ROM 74. This is based upon the fact that, the greater is the amount of drive oil which is charged into the drive chamber 62, the greater does the resistance when motoring the engine 22 with the starter motor 24 become.
  • the starter motor 24 is controlled (in a step S220) according to this target motoring torque Tm* which has thus been set. And fuel injection control and ignition control are performed for the engine 22
  • the vehicle 20 of this embodiment it is possible to estimate the fan energy consumption Pf of the cooling fan 46, based upon the engine rotational speed Ne on the engine 22 side of the fluid coupling 50 (i.e. the pulley rotational speed Np of the pulley 50a) and the fan rotational speed Nf on the cooling fan 46 side of the fluid coupling 50.
  • the engine 22 is drive controlled by compensating the target throttle opening amount TH* based upon the fan energy consumption Pf. Due to this, it is possible to perform driving control of the engine 22 in a more appropriate manner, and it is possible further to enhance the driving feeling.
  • the coupling state F of the fluid coupling 50 is estimated and stored in the RAM 76.
  • the engine 22 is motored with the starter motor whose target motoring torque Tm* is set based upon the estimated coupling state F which is stored in the RAM 76. Accordingly, it is possible to perform the starting of the engine 22 in a more appropriate manner.
  • the vehicle 20 of this embodiment it is arranged for the estimation of the fan energy consumption Pf to be performed based upon the engine rotational speed Ne (the pulley rotational speed Np) and the fan rotational speed Nf, using the map for setting the fan energy consumption shown in the example of Fig. 5.
  • the present invention is not limited to this case; it would also be acceptable to arrange for the fan energy consumption Pf to be estimated by calculation according to an approximation equation, instead of from a map.
  • the fan energy consumption Pf is estimated based upon the engine rotational speed Ne (the pulley rotational speed Np) and the fan rotational speed Nf.
  • the fan energy consumption Pf is estimated based upon the engine rotational speed Ne (the pulley rotational speed Np) and the fan rotational speed Nf.
  • the fan energy consumption Pf it would also be acceptable to arrange for, in addition, the fan energy consumption Pf to be estimated in consideration of the influence due to an inertia force based upon the time rate of change of the engine rotational speed Ne or the time rate of change of the fan rotational speed Nf.
  • the fan energy consumption Pf to be estimated in consideration of the influence of an operating pressure which operates upon the cooling fan 46 due to the wind of motion based upon the vehicle speed V.
  • the fan energy consumption Pf is estimated based upon the engine rotational speed Ne (the pulley rotational speed Np) and the fan rotational speed Nf.
  • the fan energy consumption Pf it would also be acceptable to arrange for, along with the coupling state F being estimated, the fan energy consumption Pf to be estimated based upon the coupling state F which has thus been estimated and the engine rotational speed Ne (the pulley rotational speed Np).
  • An example of a relationship between the coupling state F, the pulley rotational speed Np, and the fan energy consumption Pf is shown in Fig. 9.
  • the coupling state F may be estimated based upon the engine rotational speed Ne (the pulley rotational speed Np) and the fan rotational speed Nf, using the map shown by way of example in Fig. 8. Furthermore, the coupling state F (the amount of the drive oil which is charged into the drive chamber 62) may be adjusted according to the temperature of the ambient atmosphere in the vicinity of the radiator 42.
  • a temperature sensor could be fitted to the rear of the vehicle, and the coupling state F could also be estimated based upon the temperature detected by this temperature sensor.
  • the vehicle 20 of this embodiment is arranged to estimate the coupling state F by dividing it into three cases: an ON state in which the supply orifices 58a of the partition plate 58 are approximately fully open, a MID state in which they are half open, and an OFF state in which they are approximately fully closed.
  • the cooling fan 46 which is connected to the engine 22 via the fluid coupling 50 for blowing air through the radiator 42 which is used for cooling the engine 22.
  • the present invention is not limited to this case.
  • the vehicle 20 of this embodiment is arranged to perform idling stop control, in which, when a predetermined stoppage condition becomes effective, the engine is automatically stopped, and when a predetermined starting condition becomes effective, the engine is automatically started.
  • idling stop control in which, when a predetermined stoppage condition becomes effective, the engine is automatically stopped, and when a predetermined starting condition becomes effective, the engine is automatically started.
  • the vehicle 20 of this embodiment is arranged to transmit the power from the engine 22 to the driving wheels 34a and 34b while changing its speed with the automatic transmission 26.
  • the present invention it would be possible to apply the present invention to the case of any vehicle which is equipped with a cooling fan 46 which is driven by input of power from an engine 22 via a fluid coupling 50.
  • the present invention can be applied in the vehicle manufacturing industry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Control Of Transmission Device (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Conjointement avec un détecteur de vitesse de rotation (25) monté sur le vilebrequin (24) d'un moteur (22), un détecteur de vitesse de rotation (47) est monté sur un ventilateur de refroidissement (46) et la consommation d'énergie du ventilateur de refroidissement est estimée au moyen d'une carte basée sur une vitesse de rotation du moteur (vitesse de rotation de poulie Np) et une vitesse de rotation de ventilateur Nf, ces vitesses étant détectées par les détecteurs de vitesse de rotation. La commande du fonctionnement du moteur sur la base de la consommation d'énergie du ventilateur de refroidissement ainsi estimée permet de commander le fonctionnement du moteur de façon plus appropriée.
PCT/IB2007/000168 2006-02-22 2007-01-24 Dispositif de commande pour véhicule, procédé de commande pour véhicule et procédé d'estimation de consommation d'énergie d'un ventilateur de refroidissement WO2007096718A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2007800064177A CN101389847B (zh) 2006-02-22 2007-01-24 车辆控制装置、车辆控制方法及估计冷却风扇动力消耗的方法
US12/087,995 US20090007856A1 (en) 2006-02-22 2007-01-24 Control Device for Vehicle, Control Method for Vehicle, and Method for Estimating Power Consumption of Cooling Fan
DE112007000432T DE112007000432T5 (de) 2006-02-22 2007-01-24 Steuerungsvorrichtung für ein Fahrzeug, Steuerungsverfahren für ein Fahrzeug und Verfahen zum Schätzen einer Leistungsaufnahme eines Kühlventilators

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006045048A JP4702092B2 (ja) 2006-02-22 2006-02-22 車両の制御装置および冷却ファンの消費動力推定方法
JP2006-045048 2006-02-22

Publications (1)

Publication Number Publication Date
WO2007096718A1 true WO2007096718A1 (fr) 2007-08-30

Family

ID=38068339

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/000168 WO2007096718A1 (fr) 2006-02-22 2007-01-24 Dispositif de commande pour véhicule, procédé de commande pour véhicule et procédé d'estimation de consommation d'énergie d'un ventilateur de refroidissement

Country Status (5)

Country Link
US (1) US20090007856A1 (fr)
JP (1) JP4702092B2 (fr)
CN (1) CN101389847B (fr)
DE (1) DE112007000432T5 (fr)
WO (1) WO2007096718A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2463502A1 (fr) * 2010-12-13 2012-06-13 Caterpillar Inc. Procédé et système de contrôle de la distribution d'électricité
US20190241060A1 (en) * 2016-07-14 2019-08-08 Caterpillar Sarl Control System Of Blowing Means For Construction Machines

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7669557B2 (en) * 2006-02-08 2010-03-02 Toyota Jidosha Kabushiki Kaisha Cooling device for vehicle
CN102575561A (zh) * 2009-07-27 2012-07-11 通用电气公司 热管理系统、车辆以及相关联的方法
US8615371B2 (en) * 2011-04-15 2013-12-24 Thermo King Corporation Fuel consumption measurement of bus HVAC units
US8714116B2 (en) * 2011-05-12 2014-05-06 Cnh Industrial America Llc Engine cooling fan speed control system
US8973536B2 (en) 2013-01-25 2015-03-10 Caterpillar Inc. Engine compensation for fan power
CN103423189B (zh) * 2013-09-03 2015-11-11 中国科学院计算技术研究所 一种服务器风扇功耗测量方法
CN106985658B (zh) * 2017-04-24 2023-09-29 中国人民解放军陆军装甲兵学院士官学校 一种基于电子风扇的混合动力专用发动机散热装置的控制方法
US10414266B1 (en) * 2017-04-28 2019-09-17 Oshkosh Defense, Llc Vehicle cooling systems and methods

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756012A1 (fr) * 1996-11-15 1998-05-22 Renault Procede de commande d'un moteur a combustion interne
EP0903492A2 (fr) * 1997-09-17 1999-03-24 Toyota Jidosha Kabushiki Kaisha Dispositif de régulation du démarrage pour moteur à combustion interne
US20010025610A1 (en) * 2000-04-01 2001-10-04 Deere & Company, A Delaware Corporation. Ventilation device
US20030109977A1 (en) * 2001-12-06 2003-06-12 Landes James W. Method and apparatus for parasitic load compensation
US6772060B2 (en) * 2001-10-25 2004-08-03 Caterpillar Inc Electronic engine control and method
US20050066715A1 (en) * 2003-09-29 2005-03-31 Detroit Diesel Corporation Method of estimating engine cooling fan power losses

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323623A (en) * 1961-04-20 1967-06-06 Eaton Yale & Towne Rotatable coupling device
US3809197A (en) * 1972-11-10 1974-05-07 Eaton Corp Viscous coupling
US4351426A (en) * 1980-12-29 1982-09-28 Eaton Corporation Single stage control for viscous fluid coupling
JPS62127522A (ja) * 1985-11-27 1987-06-09 Aisin Seiki Co Ltd 粘性流体継手装置
US4828088A (en) * 1987-05-18 1989-05-09 Eaton Corporation Closed loop pulse modulated viscous fan control
US4874072A (en) * 1987-11-10 1989-10-17 Eaton Corporation Viscous fan drive control with integrated speed sensor
US5025906A (en) * 1990-07-26 1991-06-25 Eaton Corporation Remote sensing viscous fluid coupling
DE4216135A1 (de) * 1991-05-16 1992-11-19 Mazda Motor Steuervorrichtung fuer einen rotationskoerper zum kuehlen eines motors
US5152383A (en) * 1992-02-28 1992-10-06 Eaton Corporation Viscous fluid coupling and external actuator assembly therefor
JP3318945B2 (ja) * 1992-03-02 2002-08-26 株式会社日立製作所 自動車用制御装置、自動車制御システム及び自動車の制御方法
US5584371A (en) * 1995-08-31 1996-12-17 Eaton Corporation Viscous fan drive system logic
US5947247A (en) * 1995-09-18 1999-09-07 Rockford Powertrain, Inc. Continuously variable fan drive clutch
JPH1089386A (ja) 1997-09-30 1998-04-07 Unisia Jecs Corp 流体継手
US6508213B2 (en) * 2000-11-30 2003-01-21 Valeo Engine Cooling Inc. Variable speed drive for an auxiliary member in an internal combustion engine
US6453853B1 (en) * 2000-12-04 2002-09-24 Detroit Diesel Corporation Method of controlling a variable speed fan
US6684826B2 (en) * 2001-07-25 2004-02-03 Toyota Jidosha Kabushiki Kaisha Engine cooling apparatus
US6772714B2 (en) * 2001-08-16 2004-08-10 Deere & Company Electronic fan control
JP4007489B2 (ja) * 2002-02-14 2007-11-14 臼井国際産業株式会社 外部制御式ファンカップリング装置の制御方法
JP2004027991A (ja) * 2002-06-27 2004-01-29 Calsonic Kansei Corp 車両用制御装置
JP4011994B2 (ja) * 2002-07-04 2007-11-21 カルソニックカンセイ株式会社 車両用制御装置
US7270090B2 (en) * 2003-07-22 2007-09-18 Ford Global Technologies, Llc Control system for engine cooling
US20070199331A1 (en) * 2003-09-19 2007-08-30 Maguire Alan R Power transmission arrangement
US7311185B2 (en) * 2004-09-23 2007-12-25 Gm Global Technology Operations, Inc. Method for thermal management for a controllable viscous fan drive
US7415945B2 (en) * 2005-05-13 2008-08-26 Borgwarner Inc. Fluid actuated fan control method for a vehicle
DE102006036589A1 (de) * 2006-08-04 2008-02-07 Deere & Company, Moline Antriebsvorrichtung für ein landwirtschaftliches oder industrielles Nutzfahrzeug und Verfahren zum Betreiben einer Antriebsvorrichtung
JP2012013130A (ja) * 2010-06-30 2012-01-19 Aisin Aw Co Ltd 油圧制御装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756012A1 (fr) * 1996-11-15 1998-05-22 Renault Procede de commande d'un moteur a combustion interne
EP0903492A2 (fr) * 1997-09-17 1999-03-24 Toyota Jidosha Kabushiki Kaisha Dispositif de régulation du démarrage pour moteur à combustion interne
US20010025610A1 (en) * 2000-04-01 2001-10-04 Deere & Company, A Delaware Corporation. Ventilation device
US6772060B2 (en) * 2001-10-25 2004-08-03 Caterpillar Inc Electronic engine control and method
US20030109977A1 (en) * 2001-12-06 2003-06-12 Landes James W. Method and apparatus for parasitic load compensation
US20050066715A1 (en) * 2003-09-29 2005-03-31 Detroit Diesel Corporation Method of estimating engine cooling fan power losses

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2463502A1 (fr) * 2010-12-13 2012-06-13 Caterpillar Inc. Procédé et système de contrôle de la distribution d'électricité
WO2012082639A1 (fr) * 2010-12-13 2012-06-21 Caterpillar Inc. Procédé et système pour commander une distribution d'énergie
US9108487B2 (en) 2010-12-13 2015-08-18 Caterpillar Inc. Method and system for controlling power distribution
US20190241060A1 (en) * 2016-07-14 2019-08-08 Caterpillar Sarl Control System Of Blowing Means For Construction Machines

Also Published As

Publication number Publication date
CN101389847A (zh) 2009-03-18
DE112007000432T5 (de) 2008-12-11
US20090007856A1 (en) 2009-01-08
JP2007224773A (ja) 2007-09-06
JP4702092B2 (ja) 2011-06-15
CN101389847B (zh) 2012-03-14

Similar Documents

Publication Publication Date Title
US20090007856A1 (en) Control Device for Vehicle, Control Method for Vehicle, and Method for Estimating Power Consumption of Cooling Fan
US8052066B2 (en) Heating control system for vehicle
EP2057365B1 (fr) Procédé de fonctionnement de compresseur de suralimentation
US6895917B2 (en) Automatic stop/start controller for engine
US8483935B2 (en) Method for controlling internal combustion engines in hybrid powertrains
US20090118878A1 (en) Method for controlling electric oil pump for hybrid electric vehicle
US8919468B2 (en) Driving-power control device for vehicle
US20110015032A1 (en) Method and control device for operating a hybrid drive
JP2000097070A (ja) ハイブリッド車両の制御装置
US20070049455A1 (en) Drive assembly and motor vehicle equipped with drive assembly
JP2000283273A (ja) 車両のモータ駆動制御装置
US11274595B1 (en) System and method for engine cooling system
US8457822B2 (en) Method and system for controlling a power unit with power bypass
JP2000154753A (ja) エンジンの始動制御装置
US9145840B2 (en) Automotive vehicle and method for operating an engine therein
US8095299B2 (en) Method for starting a vehicle engine
EP1323564A2 (fr) Système de réglage pour véhicule hybride
US10150349B2 (en) Vehicle traveling control method and vehicle traveling control device
JP2007154842A (ja) 車両用冷却システムおよびその制御方法
JP2010221894A (ja) 内燃機関の制御装置
US10640118B2 (en) Method for controlling powertrain of vehicle
JP5024870B2 (ja) 電動機の冷却装置およびその制御方法
JP7124739B2 (ja) 車両の制御装置及び、制御方法
JP2013046531A (ja) 自動車
JP3975767B2 (ja) エンジン自動停止・自動再始動装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 12087995

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 200780006417.7

Country of ref document: CN

RET De translation (de og part 6b)

Ref document number: 112007000432

Country of ref document: DE

Date of ref document: 20081211

Kind code of ref document: P

WWE Wipo information: entry into national phase

Ref document number: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07705466

Country of ref document: EP

Kind code of ref document: A1