Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Patent
1998-08-05
2000-05-02
Sircus, Brian
Electricity: motive power systems
Positional servo systems
Pulse-width modulated power input to motor
318701, 318254, 318696, 388804, G05B 1128
Patent
active
060576634
ABSTRACT:
The control of the current in a PWM mode through independently controlled windings of a multi-phase motor driven in a "bipolar" mode is implemented by employing only two sense resistors and related control loops. This is so regardless of the actual number of windings of the motor.
REFERENCES:
patent: 5442538 (1995-08-01), Ikeda et al.
patent: 5656910 (1997-08-01), Erckert
patent: 5739662 (1998-04-01), Li
Bertolini Luca
Boscolo Michele
Galbiati Ezio
Galanthay Theodore E.
Sircus Brian
STMicroelectronics S.r.l.
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