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Title:
MOTOR AND ITS DRIVE CONTROLLING APPARATUS
Document Type and Number:
Japanese Patent JP2004201487
Kind Code:
A
Abstract:

To provide a compact motor that has a small torque ripple even if a trapezoidal-wave current is energized and is used for a brushless CD motor having a small amount of motor noise, and also to provide the drive controlling apparatus of the motor, and an electric power steering apparatus using the motor.

Each phase current command value is calculated, based on vector control, and current feedback is controlled by pseudo vector control for independently controlling each phase.


Inventors:
TA KAO MIN
ENDO SHUJI
Application Number:
JP2003376428A
Publication Date:
July 15, 2004
Filing Date:
November 06, 2003
Export Citation:
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Assignee:
NSK LTD
International Classes:
B62D5/04; H02P6/06; H02P6/08; H02P6/10; H02P6/15; H02P6/17; H02P6/28; H02P21/00; H02P21/05; H02P21/06; H02P21/22; H02P23/04; H02P27/04; H02P27/08; (IPC1-7): H02P21/00; B62D5/04; H02P6/10
Attorney, Agent or Firm:
安形 雄三