Motor control device and motor control method

Details Motor control device and motor control method Motor control device and motor control method

2006-05-23

2006-05-23

Fletcher, Marlon T. (Department: 2837)

Electricity: motive power systems

Positional servo systems

Pulse-width modulated power input to motor

C318S811000, C363S041000, C363S043000, C363S098000

Reexamination Certificate

active

07049777

ABSTRACT:
A motor control device is provided with a neutral point shift section. The neutral point shift section shifts a neutral point (command neutral point) of phase voltage commands so that the values of the phase voltage commands after the shifting of the neutral point come within the amplitude of a triangular wave (triangular wave signal), and inputs the phase voltage commands with the neutral point having been shifted, to a control signal output section. Thus, the motor control device is enabled to heighten the output voltage without bringing about increase in manufacturing cost and substantial delay in calculation interval.

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H. Sugiyama, et al., “Theory and Practical Design for AC Servo System”, Sougou-Denshi Publishing Company, Tokyo, Ver. 4, Feb. 10, 1997, pp. 44-47.

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