Motor control apparatus

Details Motor control apparatus Motor control apparatus

2006-08-01

2006-08-01

Martin, David (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

C318S254100, C318S715000, C318S705000, C318S616000, C318S434000

Reexamination Certificate

active

07084597

ABSTRACT:
In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present instant is immediately after resetting of a control unit or application of power to it. If it is the starting period, an actual shift position that is detected from an output of an output shaft sensor for detecting a rotation position of a motor is set as an instructed shift position. With this measure, even if the control unit is reset for a certain reason while the vehicle is running, the instructed shift position is not changed in association with the resetting. This prevents trouble that the shift position is switched contrary to the intention of the driver, whereby the reliability of a position switching control can be increased.

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