Drivetrain controller for a motor vehicle with at least two power units and a gear-box
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60K-006/02
B60K-006/00
출원번호
US-0381896
(2001-09-20)
우선권정보
DE-100 47 906(2000-09-27)
국제출원번호
PCT/DE01/003644
(2001-09-20)
§371/§102 date
20030625
(20030625)
국제공개번호
WO02/026520
(2002-04-04)
발명자
/ 주소
Grassl,Georg
Gutknecht St철hr,Florian
Probst,Gregor
Rampeltshammer,Martin
출원인 / 주소
Siemens Aktiengesellschaft
대리인 / 주소
Cohen, Pontani, Lieberman &
인용정보
피인용 횟수 :
11인용 특허 :
10
초록▼
A torque set value is determined in a pedal interpretation unit (20) from a parameter which characterizes the drivers command. Operating parameters for the vehicle are evaluated and classified in a driver and situation recognition unit (21). A set operating status for the drivetrain is fixed in a s
A torque set value is determined in a pedal interpretation unit (20) from a parameter which characterizes the drivers command. Operating parameters for the vehicle are evaluated and classified in a driver and situation recognition unit (21). A set operating status for the drivetrain is fixed in a status manager (22), depending upon the torque set value and the output signals from the driver and situation recognition unit. Control signals for remote control units ( 2, 5, 8) for the drive units and for the gearbox (7) are then generated in a torque manager (23), dependent upon the torque set value and the set operating status.
대표청구항▼
What is claimed is: 1. A drivetrain controller for a motor vehicle, the motor vehicle including an energy store and a drivetrain having two drive units and a gearbox, said drivetrain controller comprising: decentralized control units for generating setting signals for the two drive units and the ge
What is claimed is: 1. A drivetrain controller for a motor vehicle, the motor vehicle including an energy store and a drivetrain having two drive units and a gearbox, said drivetrain controller comprising: decentralized control units for generating setting signals for the two drive units and the gearbox of the drivetrain; a pedal interpretation unit for receiving a driver command parameter characterizing a driver's command and determining a torque set value in response to the driver command parameter; a status manager having a plurality of stored set operating states for the drivetrain, each of said plurality of stored set operating states being associated with control signals characterizing said each of said plurality of stored set operating states, said status manager receiving a signal indicating a charge state of the energy store and being connected to said pedal interpretation unit for selecting a selected set operating state from said plurality of set operating states for the drivetrain in response to the torque set value and the charge state of the energy store; and a torque manager connected to said status manager and said pedal interpretation unit for controlling each of the decentralized control units in response to the torque set value and the control signals associated with the selected set operating state for the drivetrain. 2. The drivetrain controller of claim 1, further comprising a driver and situation recognition unit for evaluating and classifying operating parameters of the vehicle, said status manager connected to the driver and situation recognition unit wherein said status manager selects the selected set operating state of the drivetrain in response to the torque set value, the charger state of the energy store, and the output signals of the driver and situation recognition unit. 3. The drivetrain controller of claim 1, wherein said status manager further comprises a configuration recognizer arranged and dimensioned for detecting a configuration of the drivetrain and generating a signal in accordance with the detected configuration of the drive train, said status manager inhibiting or releasing a subset of said plurality of set operating states of the drivetrain from being selected in response to the configuration recognizer. 4. The drivetrain controller of claim 1, wherein said decentralized control units generate setting signals for an internal combustion engine and an electric motor. 5. The drivetrain controller of claim 4, wherein the drivetrain of the motor vehicle includes a clutch, a first operating state of said plurality of set operating states comprising a "freewheeling" set operating state, the decentralized control units generating a setting signal to open the clutch in the drivetrain of the motor vehicle in the "freewheeling" set operating state. 6. The drivetrain controller of claim 5, wherein a second operating state of said plurality of set operating states comprises an "extended freewheeling" set operating state, the decentralized control units generating a setting signal to switch off the internal combustion engine in the "extended freewheeling" set operating state. 7. The drivetrain controller of claim 4, a first operating state of said plurality of set operating states comprises a "start" set operating state, the decentralized control units generating a setting signal to start the internal combustion engine in the "start" set operating state. 8. The drivetrain controller of claim 7, wherein the drivetrain of the motor vehicle includes a clutch, a second operating state of said plurality of set operating states comprising a "freewheeling" set operating state, the decentralized control units generating a setting signal to open the clutch in the drivetrain of the motor vehicle in the "freewheeling" set operating state. 9. The drivetrain controller of claim 8, wherein a third operating state of said plurality of set operating states comprises an "extended freewheeling" set operating state, the decentralized control units generating a setting signal to switch off the internal combustion engine in the "extended freewheeling" set operating state. 10. The drivetrain controller of claim 9, wherein the motor vehicle includes an accelerator pedal, said status manager comprising means for initiating a switch from the "extended freewheeling" set operating state to the "start" set operating state in response to a depression of the accelerator pedal. 11. The drivetrain controller of claim 9, wherein the motor vehicle includes a brake pedal, said status manager comprising means for initiating a switch from the "extended freewheeling" set operating state to the "start" set operating state in response to a release of the brake pedal. 12. The drivetrain controller of claim 9, wherein the motor vehicle includes a selector lever for the gearbox having a neutral position and at least one other position, said status manager comprising means for initiating a switch from the "extended freewheeling" set operating state to the "start" set operating state in response to movement of the selector lever from the neutral position. 13. The drivetrain controller of claim 9, wherein said status manager comprises means for initiating a switch from the "extended freewheeling" set operating state to the "start" set operating state when the charge state of the energy store falls below a threshold value. 14. The drivetrain controller of claim 9, further comprising a driver and situation recognition unit for evaluating and classifying operating parameters of the vehicle including a topology of the route being traveled, wherein said status manager comprises means for initiating a switch from the "extended freewheeling" set operating state to the "start" set operating state in response to the charge state of the energy store and the topology of the route being traveled.
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