Motor and drive control device therefor

Details Motor and drive control device therefor Motor and drive control device therefor

2008-03-04

2008-03-04

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S808000, C318S825000, C318S727000

Reexamination Certificate

active

07339346

ABSTRACT:
The invention provides a motor for a brushless DC motor, which has small torque ripple even if a trapezoidal wave current is supplied and has a small size and reduced motor noise, and a drive control device for the motor as well as an electric power steering apparatus using the motor and the drive control device. Respective phase current command values are calculated on the basis of vector control. Pseudo-vector control for controlling respective phases separately is used as current feedback control.

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