Title:
DEVICE AND METHOD FOR ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO2010109520
Kind Code:
A1
Abstract:
A control means (5) for outputting a voltage command for controlling the drive of a rotating electric machine (1) adds a position estimation voltage command, which is generated in a position estimation voltage generator (12) and is used for estimating a rotor position, to a driving voltage command in adders (23u to 23w) and outputs as the voltage command. A position estimation means (4) includes: current extractors (6u to 6w) for extracting a position estimation current having the same frequency component as the position estimation voltage command from a rotating electric machine current detected by a current detection means (2); a position estimation current amplitude calculation unit (7) for calculating a position estimation current amplitude from the position estimation current; and an estimation position calculator (8) for calculating the estimation position of the rotating electric machine (1), based on the position estimation current amplitude. The position estimation current amplitude calculation unit (7) calculates the position estimation current amplitude, based on the autocorrelation value obtained by squaring the position estimation current.
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Inventors:
ITO MASATO (JP)
KIMPARA YOSHIHIKO (JP)
TANIMOTO MASANORI (JP)
KIMPARA YOSHIHIKO (JP)
TANIMOTO MASANORI (JP)
Application Number:
PCT/JP2009/001320
Publication Date:
September 30, 2010
Filing Date:
March 25, 2009
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
ITO MASATO (JP)
KIMPARA YOSHIHIKO (JP)
TANIMOTO MASANORI (JP)
ITO MASATO (JP)
KIMPARA YOSHIHIKO (JP)
TANIMOTO MASANORI (JP)
International Classes:
H02P27/04; H02P6/06; H02P6/08; H02P6/16; H02P6/28; H02P21/00; H02P21/22; H02P27/08
Foreign References:
| JP2001069799A | 2001-03-16 | |||
| JP2006109589A | 2006-04-20 | |||
| JP2004320985A | 2004-11-11 | |||
| JP2000102300A | 2000-04-07 | |||
| JP2004343833A | 2004-12-02 | |||
| JP3312472B2 | 2002-08-05 |
Other References:
K.IDE: "Saliency-based Sensorless Drive of Adequate Designed IPM Motor for Robot Vehicle Application", PCC-NAGOYA, 2007, pages 1126 - 1133, XP031178607
See also references of EP 2413492A4
See also references of EP 2413492A4
Attorney, Agent or Firm:
MURAKAMI, Keigo et al. (JP)
Keigo Murakami (JP)
Keigo Murakami (JP)
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