Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Reexamination Certificate
2006-05-02
2006-05-02
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Positional servo systems
Pulse-width modulated power input to motor
C318S470000, C318S471000, C318S603000, C318S604000, C361S204000
Reexamination Certificate
active
07038420
ABSTRACT:
A method of regulating an electric motor, regulation being implemented with a loop of gain less than unity as a function of a divergence between a setpoint signal for an operating parameter of the motor and a measured value of the same operating parameter of the electric motor, the divergence being taken into account only if said divergence is greater than a predetermined threshold whenever the measured value is greater than the setpoint signal.
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Patent Abstracts of Japan, 11122965, Yaskawa Electric Corp; publication date Apr. 30, 1999; 1 pg.
Foley & Lardner LLP
Johnson Controls Automotive Electronics
Leykin Rita
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