IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0058207
(2008-08-29)
|
등록번호 |
US-8701807
(2014-04-22)
|
국제출원번호 |
PCT/SE2008/000488
(2008-08-29)
|
§371/§102 date |
20110209
(20110209)
|
국제공개번호 |
WO2010/024737
(2010-03-04)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
An Electronic Control Unit (ECU), and a method and a computer program product are provided for the control of a drive train for a hybrid vehicle, and a drive train including such a control device is also provided. The hybrid vehicle includes an upstream located Internal Combustion Engine (ICE) which
An Electronic Control Unit (ECU), and a method and a computer program product are provided for the control of a drive train for a hybrid vehicle, and a drive train including such a control device is also provided. The hybrid vehicle includes an upstream located Internal Combustion Engine (ICE) which is connected to an Electronic Motor/Generator (EMG) via a Master Clutch (MC). The EMG is connected to the wheels via a Mechanical Transmission (MT) including synchronization. The ECU is programmed to control the MC and the MT when shifting from a generating mode, in which the ICE is powering the EMG at or near standstill, to a driving mode in such a way that at least a part of the inertial energy liberated when retarding the EMG in order to synchronize the rotational speed of the EMG and the MT is transferred to the wheels by using the synchronization in the MT to retard the EMG and transfer of power to the wheels.
대표청구항
▼
1. A drive train system for a hybrid vehicle comprising an Internal Combustion Engine (ICE),an Electric Motor/Generator (EMG), the ICE being located upstream in the drive train system of the EMG,a Main Clutch (MC), the ICE being connected to the EMG via the MC,a mechanical transmission provided with
1. A drive train system for a hybrid vehicle comprising an Internal Combustion Engine (ICE),an Electric Motor/Generator (EMG), the ICE being located upstream in the drive train system of the EMG,a Main Clutch (MC), the ICE being connected to the EMG via the MC,a mechanical transmission provided with at least one synchronized gear with a positive coupling, the mechanical transmission being located downstream of the EMG and upstream of end actuators,an Electronic Control Unit (ECU) for control of the drive train system, wherein the ECU is programmed to perform a control sequence comprising: a) Setting the drive train system in a generating mode when the vehicle is at standstill with its ICE running and a signal is provided to the ECU indicating that electric generation is desired, the generating mode including setting the MC to be engaged so that the EMG rotates in a generating mode and decoupling the end actuators by setting the mechanical transmission in neutral mode by disengaging a synchronization arrangement of the at least one synchronized gear;b) Preparing a control sequence for a change of driving mode from idle to driving in response to a signal to the ECU indicating that motion of the vehicle is desired;c) Disengaging the MC so that the ICE and EMG are disengaged from each other and engaging the synchronization arrangement of the at least one synchronized gear, and thereby transmitting a torque from the EMG and associated rotating axles to the end actuators while the EMG slows down due to the engagement with the mechanical transmission and the end actuators;d) Engaging the positive coupling of the synchronized gear when a rotational speed of the EMG and the shaft connected to the end actuators are synchronized. 2. A drive train system according to claim 1, wherein the wherein the Main Clutch is a positive engaging clutch. 3. A drive train according to claim 1, wherein the mechanical transmission comprises a split gearing and a range gear wherein at least one of the split gearing and the range gear comprises a synchronization arrangement. 4. An Electronic Control Unit for control of a drive train system for a hybrid vehicle, the drive train system comprising an Internal Combustion Engine (ICE), an Electric Motor/Generator (EMG), the ICE being located upstream of the EMG in the drive train system, a Main Clutch (MC) connecting the ICE to the EMG, a mechanical transmission including at least one synchronized gear with a positive coupling, the mechanical transmission being located downstream of the EMG and upstream of end actuators, and the Electronic Control Unit (ECU) wherein the Electronic Control Unit (ECU) is programmed to perform a control sequence comprising: a) Setting, the drive train system in a generating mode when the vehicle is at standstill with its ICE running and a signal is provided to the ECU indicating that electric generation is desired, the generating mode including setting the MC to be engaged so that the EMG rotates in a generating mode and decoupling the end actuators by setting the mechanical transmission in neutral mode by disengaging a synchronization arrangement of the at least one synchronized gear;b) Preparing a control sequence for a change of driving mode from idle to driving in response to a signal to the ECU indicating that motion of the vehicle is desired;c) Disengaging the MC so that the ICE and EMG are disengaged from each other and engaging the synchronization arrangement of the at least one synchronized gear and thereby transmitting a torque from the EMG and associated rotating axles to the end actuators while the EMG slows down due to the engagement with the mechanical transmission and the end actuators;d) Engaging the positive coupling of the synchronized gear when a rotational speed of the EMG and the shaft connected to the end actuators are synchronized. 5. A method for control of a drive train system of a vehicle, the drive train system comprising an Internal Combustion Engine (ICE), an Electric Motor/Generator (EMG), the ICE being located upstream of the EMG in the drive train system, a Main Clutch (MC) connecting the ICE to the EMG, a mechanical transmission including at least one synchronized gear, the mechanical transmission being located downstream of the EMG and upstream of end actuators, and an Electronic Control Unit (ECU) for control of the drive train system, the method for control of the drive train system comprising the steps of: a) Setting the drive train system in a generating mode when the vehicle is at standstill with its ICE running and a signal is provided to the ECU indicating that electric generation is desired, the generating mode including setting the MC to be engaged so that the EMG rotates in a generating mode and decoupling the end actuators by setting the mechanical transmission in neutral mode by disengaging a synchronization arrangement of the at least one synchronized gear;b) Preparing a control sequence for a change of driving mode from idle to driving in response to a signal to the ECU indicating that frail motion of the vehicle is desired;c) Disengaging the MC so that the ICE and EMG are disengaged from each other and engaging the synchronization arrangement of the at least one synchronized gear and thereby transmitting a torque from the EMG and associated rotating axles to the end actuators while the EMG slows down due to the engagement with the mechanical transmission and the end actuators;d) Engaging the positive coupling of the synchronized gear when a rotational speed of the EMG and the shaft connected to the end actuators are synchronized. 6. A computer program product comprising program code stored on a non-transitory computer readable medium for performing the steps of claim 5 when the program product is run on a computer. 7. A storage medium for use in a computing environment, the medium comprising a memory comprising a computer readable program code to perform the method of claim 5.
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