JP2006213149A5 - - Google Patents

Claims (8)

An engine, a differential mechanism that distributes the output of the engine to the first electric motor and the transmission member, and a second electric motor that is capable of transmitting power to the drive wheels, and can be operated as an electric continuously variable transmission. A control device for a vehicle drive device, comprising: a step transmission unit; and an automatic transmission unit that constitutes a part of a power transmission path from the transmission member to the drive wheel and functions as an automatic transmission,
A disengaged state provided in the differential mechanism, wherein the continuously variable transmission unit is in a continuously variable transmission state in which an electric continuously variable transmission can be operated, and a stepped transmission state in which the continuously variable transmission unit is not electrically operated in a continuously variable transmission. A differential state switching device that is selectively switched to the engaged state,
A switching control means for selectively switching the shift state of the continuously variable transmission unit between the continuously variable transmission state and the stepped transmission state by switching the differential state switching device based on a vehicle state;
Engine start / stop control means for starting and stopping the engine;
When the shift state switching by the switching control unit and the engine start / stop by the engine start / stop control unit overlap, execution to execute either the shift state switching or the engine start or stop And a control means for the vehicle drive device.   2. The control device for a vehicle drive device according to claim 1, wherein the execution control means is configured to execute switching of the shift state after the engine is started or stopped first. A shift control means for shifting the automatic transmission unit;
In addition to the change of the shift state and the start or stop of the engine, when the shift of the automatic transmission unit by the shift control means overlaps, the execution control means switches the change of the shift state and starts or stops the engine. 3. The control device for a vehicle drive device according to claim 1, wherein any one of the stop and the shift of the automatic transmission unit is executed. The control device for a vehicle drive device according to any one of claims 1 to 3, wherein the execution control means changes an execution order based on a vehicle state. A control device for a vehicle drive device, comprising: an engine; a differential mechanism that distributes the output of the engine to the first electric motor and the transmission member; and a second electric motor capable of transmitting power to the drive wheels. Because
A differential state switching device provided in the differential mechanism, wherein the differential mechanism is selectively switched between a differential state in which the differential action works and a lock state in which the differential action does not take place;
Switching control means for selectively switching the shift state of the differential mechanism between the differential state and the locked state by switching the differential state switching device based on a vehicle state;
Engine start / stop control means for starting and stopping the engine;
When the shift state switching by the switching control unit and the engine start / stop by the engine start / stop control unit overlap, execution to execute either the shift state switching or the engine start or stop And a control means for the vehicle drive device.   6. The control device for a vehicle drive device according to claim 5, wherein the execution control means is configured to execute switching of the shift state after first starting or stopping the engine. A transmission unit configured to constitute a part of a power transmission path from the transmission member to the drive wheel and function as a transmission; and a shift control unit that performs a shift of the transmission unit;
In addition to the change of the shift state and the start or stop of the engine, when the shift of the transmission unit by the shift control unit overlaps, the execution control unit switches the change of the shift state and starts or stops the engine. 7. The control device for a vehicle drive device according to claim 5 or 6, wherein the control unit executes any one of shifting and shifting of the transmission unit. The control device for a vehicle drive device according to any one of claims 5 to 7, wherein the execution control means changes an execution order based on a vehicle state.