Brushless motor with rotor position detection compensation cause

Details Brushless motor with rotor position detection compensation cause Brushless motor with rotor position detection compensation cause

1996-07-23

1999-11-09

Sircus, Brian

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318254, 318802, 318432, G05F 110

Patent

active

059821337

ABSTRACT:
A brushless motor having at least one current influence detector (10a, 10b, 10c) for detecting influence of an induced voltage caused by variations of current flowing in an armature winding (3). Furthermore, a positional signal detecting circuit means (11) detects a positional signal corresponding to rotational position of the rotor (2) in accordance with the voltage signal appearing at the armature winding (3) and the output signal issued from the at least one current influence detector (10a, 10b, 10c).

REFERENCES:
patent: 4855653 (1989-08-01), Lemirande
patent: 5337013 (1994-08-01), Langer et al.
patent: 5616993 (1997-04-01), Lu et al.
patent: 5616996 (1997-04-01), Tang et al.
patent: 5631999 (1997-05-01), Dinsmore
patent: 5650886 (1997-07-01), Codilian et al.
patent: 5672948 (1997-09-01), Cohen et al.

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