Motor control system

Details Motor control system Motor control system

2005-03-22

2005-03-22

Duda, Rina (Department: 2837)

Electricity: motive power systems

Positional servo systems

'reset' systems

C318S610000, C318S721000, C318S757000

Reexamination Certificate

active

06870344

ABSTRACT:
An inverter part having a switching unit for applying a three-phase AC voltage to a motor, a lock detection unit for detecting a lock state of the motor and also generating a lock detection signal by the detection, and a current control unit for passing a d-shaft armature current id through the motor so that an absolute value of a current of a phase with the largest current flowing through the motor decreases based on the lock detection signal.

REFERENCES:
patent: 5757161 (1998-05-01), Ikkai et al.
patent: 5814967 (1998-09-01), Garces et al.
patent: 5963007 (1999-10-01), Toyozawa et al.
patent: 6163130 (2000-12-01), Neko et al.
patent: 6-038544 (1994-02-01), None
patent: 9-121595 (1997-05-01), None

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