IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0369311
(2012-02-09)
|
등록번호 |
US-8360181
(2013-01-29)
|
우선권정보 |
TW-95149455 A (2006-12-28) |
발명자
/ 주소 |
- Wei, Tseng-Teh
- Gu, Huan-Lung
- Chen, Yee-Ren
- Wu, E-In
- Lo, Shih-Ming
- Cheng, Su-Fa
|
출원인 / 주소 |
- Industrial Technology Research Institute
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
9 |
초록
▼
An operation method of a hybrid vehicle having an automatic manual transmission system adapted to use at least two energy sources is provided with the following steps. Engaging an engine with a starter generator motor such that the engine and the starter generator motor rotate synchronously. Perform
An operation method of a hybrid vehicle having an automatic manual transmission system adapted to use at least two energy sources is provided with the following steps. Engaging an engine with a starter generator motor such that the engine and the starter generator motor rotate synchronously. Performing a speed changing by using a control unit assembly through controlling rotation speed of the traction motor and a rotation speed of the starter generator motor to a desired rotation speed for the speed changing according to a running state of the vehicle, such that the engine and the traction motor nearly rotate synchronously with the automatic manual transmission system to perform a gear ratio shifting process thereby to perform the speed changing. Controlling an automatic-switching clutch to engage or disengage the engine and the traction motor to achieve a plurality of driving mode for the vehicle.
대표청구항
▼
1. An operation method of a hybrid vehicle having an automatic manual transmission system adapted to use at least two energy sources, the operation method comprising: engaging an engine with a starter generator motor such that the engine and the starter generator motor rotate synchronously;using the
1. An operation method of a hybrid vehicle having an automatic manual transmission system adapted to use at least two energy sources, the operation method comprising: engaging an engine with a starter generator motor such that the engine and the starter generator motor rotate synchronously;using the starter generator motor to start the engine serving as a first power, and using a traction motor as a second power;performing a speed changing by using a control unit assembly through controlling a rotation speed of the traction motor to a desired rotation speed for the speed changing and a rotation speed of the starter generator motor to a desired rotation speed for the speed changing according to a running state of the vehicle, such that the engine and the traction motor nearly rotate synchronously with the automatic manual transmission system to perform a gear ratio shifting process thereby to perform the speed changing; andcontrolling an automatic-switching clutch to engage or disengage the engine and the traction motor by using the control unit assembly through a torque/rotation speed control device to achieve a plurality of driving modes for the vehicle, wherein one of the driving modes uses the starter generator motor as an assistant power, using the control unit assembly comprising: sending a control signal according to the running state of the vehicle with a hybrid vehicle control device;controlling an operation of the engine with an engine control device according to the control signal;controlling an operation of the starter generator motor with a starter generator motor control device according to the control signal;controlling an operation of the traction motor with a traction motor control device according to the control signal;controlling an operation of the speed changing with a torque/rotation speed control device according to the control signal, wherein the torque/rotation speed control device controls the automatic-switching clutch to engage or disengage the engine and the automatic manual transmission system and controls the automatic manual transmission system to perform the speed changing by controlling the rotation speed of the starter generator motor and the rotation speed of the traction motor;controlling a battery coupled to the starter generator motor and the traction motor to be turned on or turned off according to the control signal; anddetermining an optimal power type according to the rotation speed and a torque of the engine, and outputting the control signal and selecting a mode from among a pure electric power mode, a pure engine power mode, a series hybrid power mode, an assistant hybrid power mode, and a parallel hybrid power mode, wherein:when the pure electric power mode is selected, the control signal is transferred to the torque/rotation speed control device for controlling the automatic-switching clutch to disengage the engine from the automatic manual transmission system, and stopping the operation of the engine, and only the traction motor is used to drive the vehicle;when the series hybrid power mode is selected, the control signal is transferred to the torque/rotation speed control device for controlling the automatic-switching clutch to disengage the engine from the automatic manual transmission system, and controlling the engine to drive the starter generator motor to generate a power and to supply the power to the battery, and the battery supplies the power to the traction motor, such that the traction motor drives the vehicle;when the pure engine power mode is selected, the control signal is transferred to the torque/rotation speed control device for controlling the automatic-switching clutch to engage the engine with the automatic manual transmission system, and stopping the operation of the traction motor, and only the engine is used to drive the vehicle;when the assistant hybrid power mode is selected, the control signal is transferred to the torque/rotation speed control device for controlling the automatic-switching clutch to engage the engine with the automatic manual transmission system, and the engine, the starter generator motor, and the traction motor are used together to drive the vehicle; andwhen the parallel hybrid power mode is selected, the control signal is transferred to the torque/rotation speed control device for controlling the automatic-switching clutch to engage the engine and the automatic manual transmission system, and the starter generator motor supplies a power to the battery or not according to the running state of the vehicle, and the engine and the traction motor are used to drive the vehicle. 2. The operation method as claimed in claim 1, wherein the automatic-switching clutch is an electromagnet-actuated electromagnetic disc clutch. 3. The operation method as claimed in claim 1, wherein the automatic manual transmission system comprises a gear-shifting assembly mechanism and a change gear set, the automatic-switching clutch is an electromagnet-actuated electromagnetic disc clutch, and the operation method further comprises determining whether or not to perform the gear ratio shifting process according to the control signal, wherein if the gear ratio shifting process is not to be performed, the gear ratio shifting process is terminated, otherwise, the gear ratio shifting process is to be performed in sequence as in following steps: (a) stopping outputting a torque of the vehicle, and controlling the automatic-switching clutch to disengage the engine from the automatic manual transmission system;(b) shifting the change gear set to a predetermined arrangement, such that the change gear set reaches a desired gear ratio;(c) determining whether the change gear set reaches the predetermined arrangement or not, if the change gear set does not reach the predetermined arrangement, returning to step (b); and if the change gear set reaches the predetermined arrangement, proceeding step (d);(d) controlling the starter generator motor through the starter generator motor control device to regulate the rotation speed of the engine to reach a desired rotation speed for the speed changing and regulating the traction motor through the traction motor control device to reach the desired rotation speed for the speed changing; and(e) controlling the automatic-switching clutch through the torque/rotation speed control device to engage the engine with the automatic manual transmission system and resuming outputting the torque of the vehicle. 4. The operation method as claimed in claim 1, wherein the automatic manual transmission system comprises a gear-shifting assembly mechanism and a change gear set, the automatic-switching clutch is a centrifugal clutch, and the operation method further comprises determining whether or not to perform the gear ratio shifting process according to the control signal, wherein if the gear ratio shifting process is not to be performed, the gear ratio shifting process is terminated, otherwise, the gear ratio shifting process is to be performed in sequence as in following steps: (a) stopping outputting a torque of the vehicle and shifting the gear-shifting assembly mechanism to a neutral position;(b) determining whether the change gear set is shifted to the neutral position, if the change gear set is not shifted to the neutral position, returning to step (a), otherwise, proceeding step (c);(c) controlling the starter generator motor through the starter generator motor control device to regulate the rotation speed of the engine to reach the desired rotation speed for the speed changing and regulating the rotation speed of the traction motor through the traction motor control device to reach the desired rotation speed for the speed changing;(d) determining whether the rotation speed of the starter generator motor reaches the desired rotation speed for the speed changing and the rotation speed of the traction motor reaches the desired rotation speed for the speed changing or not, if no, returning to step (c), otherwise, proceeding to step (e);(e) shifting the change gear set to a predetermined arrangement, so as to reach a desired gear ratio; and(f) determining whether the change gear set achieves the predetermined arrangement, if the change gear set does not achieve the predetermined arrangement, returning to step (e), otherwise, resuming outputting the torque of the vehicle. 5. The operation method as claimed in claim 1, further comprising coupling the automatic manual transmission system with the traction motor through a connection device. 6. The operation method as claimed in claim 5, wherein the connection device comprises a gear set. 7. The operation method as claimed in claim 5, wherein the connection device comprises a sprocket and a chain set. 8. The operation method as claimed in claim 5, wherein the connection device comprises a belt and a pulley set.
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