JP2006062569A5 - - Google Patents

Claims (9)

A vehicle including a differential mechanism that distributes power output from an engine to a first electric motor and a transmission member, and a second electric motor and a transmission unit provided in a power transmission path between the transmission member and a drive wheel. A control device for a driving device for a vehicle,
Differential state switching means for switching the differential mechanism between a differential state operable as an electric continuously variable transmission and a non-differential state with a fixed gear ratio;
Driving force source switching means for switching the driving force source of the vehicle,
When the switching request by the differential state switching means and the switching request by the driving force source switching means are generated at the same time, either one of the controls is performed first. . A vehicle including a differential mechanism that distributes power output from an engine to a first electric motor and a transmission member, and a second electric motor and a transmission unit provided in a power transmission path between the transmission member and a drive wheel. A control device for a driving device for a vehicle,
Differential state switching means for switching the differential mechanism between a differential state and a non-differential state;
Driving force source switching means for switching the driving force source of the vehicle,
When the switching request by the differential state switching unit and the switching request by the driving force source switching unit are generated at the same time, one of the controls is executed first. apparatus.   When the switching request by the differential state switching means and the switching request by the driving force source switching means are generated at the same time, one of the controls is executed first and then the other control is executed. The control apparatus of the vehicle drive device of Claim 1 or 2.   When the switching request by the differential state switching means and the switching request by the driving force source switching means are generated at the same time in the state where the first electric motor and / or the second electric motor is used as the driving power source of the vehicle 4. The control device for a vehicle drive device according to claim 1, wherein the control of the differential state switching means is executed after the control of the driving force source switching means is executed first.   The control device for a vehicle drive device according to any one of claims 1 to 4, wherein the speed change portion provided in the power transmission path between the transmission member and the drive wheel is a stepped automatic transmission.   The differential mechanism includes a planetary gear device having a first element coupled to the engine, a second element coupled to the first electric motor, and a third element coupled to the transmission member. Item 6. The control device for a vehicle drive device according to any one of items 1 to 5.   The differential state switching means is configured such that the vehicle speed is equal to or higher than a predetermined speed, the output torque of the engine is equal to or higher than a predetermined value, or the rotational speed of the engine is predetermined. The control device for a vehicle drive device according to any one of claims 1 to 6, wherein when the speed is higher than the speed, the differential mechanism is controlled to be in a non-differential state. A differential state in which the first to third elements can be rotated relative to each other, and a non-differential state in which the first to third elements are rotated together or the second element is in a non-rotating state 8. A control device for a vehicle drive device according to claim 6 or 7 , further comprising a differential state switching device that selectively switches a state of the differential mechanism. 9. The control device for a vehicle drive device according to claim 6, wherein the planetary gear device is a speed increasing mechanism composed of a single planetary gear.