| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a controller for a motor, which can generate, with minimum consumption energy, a driving force needed by an all-wheel-drive vehicle that has a motor, which is provided with a double rotor, as a power source for driving the driven wheels. Ž<P>SOLUTION: A controller is provided for a permanent magnet field motor including first and second rotors concentrically provided around a rotating shaft and a phase changing device for changing an angle of relative displacement in a circumferential direction between the first and second rotors to serve as a power source for driving driven wheels of an all-wheel drive vehicle having two main driving wheels and at least two driven wheels. The controller includes a drive control portion to control driving of the motor according to a drive mode of the all-wheel drive vehicle; and a phase instruction portion to issue an instruction, when the drive mode of the all-wheel drive vehicle is a main-driving-wheel drive mode, to set the angle of relative displacement at an angle at which a magnetic flux generated at each of the first and second rotors is weakened, as compared with that generated at each of the two rotors in an all-wheel drive mode. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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