Title:
MOTOR AND DRIVE CONTROL DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2004/049554
Kind Code:
A1
Abstract:
A motor and a drive control device used for a brushless DC motor which produces a small torque ripple, is small in size, and produces a small motor noise, even when a trapezoidal wave current is supplied, and a motor power steering device using them, wherein respective phase current command values are calculated based on a vector control, and a current feedback control uses a psuedo-vector control providing individual phase controls.
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Inventors:
TA CAO MINH (JP)
ENDO SHUJI (JP)
ENDO SHUJI (JP)
Application Number:
PCT/JP2003/015166
Publication Date:
June 10, 2004
Filing Date:
November 27, 2003
Export Citation:
Assignee:
NSK LTD (JP)
TA CAO MINH (JP)
ENDO SHUJI (JP)
TA CAO MINH (JP)
ENDO SHUJI (JP)
International Classes:
H02P6/06; H02P6/08; B62D5/04; 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
Foreign References:
US6329781B1 | 2001-12-11 | |||
JPH1118471A | 1999-01-22 | |||
US5701066A | 1997-12-23 | |||
JP2000279000A | 2000-10-06 | |||
US6329781B1 | 2001-12-11 | |||
US5656911A | 1997-08-12 |
Other References:
See also references of EP 1587210A4
Attorney, Agent or Firm:
Agata, Yuzo (Akasaka 2-chome Minato-Ku, Tokyo, JP)
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