Control device and control method for dual clutch transmission
AssigneeIsuzu Motors Limited
InventorKoji Terashima
Life of this patent
Estimating the term…
Abstract
The present disclosure includes: a creep control unit configured to perform a creep control including bringing one of a first clutch and a second clutch into a half-clutch state and bringing the other into a disengaged state, so as to transmit a predetermined torque from a drive source to a transmission mechanism via a clutch device; and a clutch switching control unit configured to, when a vehicle stops during the performing of the creep control, perform a clutch switching control including, on the basis of the heat-generating state of the one clutch that is maintained in the half-clutch state from the stop of the vehicle, switching the one clutch from the half-clutch state to the disengaged state and switching the other clutch from the disengaged state to the half-clutch state.
Claims11
A control device for a dual clutch transmission that is provided with a clutch device including a first clutch and a second clutch between a drive source and a transmission mechanism and is configured to switch a torque transmission path from the transmission mechanism to a vehicle drive system into two lines, the control device comprising a controller configured to:
- perform a creep control comprising bringing one of the first clutch and the second clutch into a half-clutch state and bringing the other of the first clutch and the second clutch into a disengaged state, so as to transmit a predetermined torque from the drive source to the transmission mechanism via the clutch device;
- and
- when a vehicle stops during the performing of the creep control, perform a clutch switching control comprising, on the basis of a heat-generating state of the one clutch that is maintained in the half-clutch state from the stop of the vehicle, switching the one clutch from the half-clutch state to the disengaged state and switching the other clutch from the disengaged state to the half-clutch state.
A control method for a dual clutch transmission that is provided with a clutch device including a first clutch and a second clutch between a drive source and a transmission mechanism and is configured to switch a torque transmission path from the transmission mechanism to a vehicle drive system into two lines, the control method comprising:
- performing a clutch switching control comprising, when a vehicle stops during performing of a creep control comprising bringing one of the first clutch and the second clutch into a half-clutch state and bringing the other of the first clutch and the second clutch into a disengaged state so as to transmit a predetermined torque from the drive source to the transmission mechanism via the clutch device, on the basis of a heat-generating state of the one clutch that is maintained in the half-clutch state from the stop of the vehicle, switching the one clutch from the half-clutch state to the disengaged state and switching the other clutch from the disengaged state to the half-clutch state.
A control device for a dual clutch transmission that is provided with a clutch device including a first clutch and a second clutch between a drive source and a transmission mechanism and is configured to switch a torque transmission path from the transmission mechanism to a vehicle drive system into two lines, the control device comprising:
- a first control means configured to perform a creep control comprising bringing one of the first clutch and the second clutch into a half-clutch state and bringing the other of the first clutch and the second clutch into a disengaged state, so as to transmit a predetermined torque from the drive source to the transmission mechanism via the clutch device;
- and
- a second control means configured to, when a vehicle stops during the performing of the creep control, perform a clutch switching control comprising, on the basis of a heat-generating state of the one clutch that is maintained in the half-clutch state from the stop of the vehicle, switching the one clutch from the half-clutch state to the disengaged state and switching the other clutch from the disengaged state to the half-clutch state.
Dependencies are inferred from the claim text.