Title:
APPARATUS FOR DETERMINING ERROR OF SENSORLESS MOTOR USING COUNTER-ELECTROMOTIVE FORCE SIGNAL
Document Type and Number:
WIPO Patent Application WO/2014/061982
Kind Code:
A1
Abstract:
The present invention relates to an apparatus for determining an error of a sensorless motor using a counter-electromotive force signal. The apparatus for determining the error of the sensorless motor using the counter-electromotive force signal, according to the present invention, can prevent a detection error for the counter-electromotive force signal according to the external environment by predicting a generation time point of the counter-electromotive force in the sensorless motor and permitting only the counter-electromotive force signal corresponding to the predicted result.
In addition, the present invention predicts a generation location of the counter-electromotive force signal on the basis of the stable filtering of the counter-electromotive force signal so as to detect the location of the sensorless motor, and controlling a driving operation of the motor from the predicted result, thereby simplifying the configuration of an inverter circuit and reducing a unit cost of a system.
Inventors:
KIM BONG JOON (KR)
Application Number:
PCT/KR2013/009230
Publication Date:
April 24, 2014
Filing Date:
October 16, 2013
Export Citation:
Assignee:
CONTINENTAL AUTOMOTIVE SYSTEMS (KR)
International Classes:
G01R31/34; G01R19/175
Foreign References:
| JPH09117187A | 1997-05-02 | |||
| KR20100052858A | 2010-05-20 | |||
| KR20100002783A | 2010-01-07 | |||
| JPH11122977A | 1999-04-30 | |||
| KR20110112995A | 2011-10-14 |
Attorney, Agent or Firm:
NAM & NAM WORLD PATENT & LAW FIRM (KR)
특허법인 남앤드남 (KR)
특허법인 남앤드남 (KR)
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