Invention Grant
US07708095B2 Control apparatus and method for hybrid vehicle 有权
混合动力汽车的控制装置和方法

Control apparatus and method for hybrid vehicle
Abstract:
A control apparatus and method for a hybrid vehicle having a first engagement element between an engine and a motor-generator and a second engagement element between the motor-generator and a drive wheel. During EV drive mode, the first engagement element disengages and the second engagement element engages to drive the vehicle using the motor-generator. During HEV drive mode, the first and second engagement elements engage to drive the vehicle using both power sources. During a third drive mode, the first engagement element engages and the second engagement element slip-engages to drive the vehicle by both power sources. When a detected temperature of the second engagement element is too high during low-speed driving, the EV drive mode is selected to enhance durability of the second engagement element.
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