Motor control apparatus

Electricity: motive power systems – Synchronous motor systems

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Details

318727, 318809, 318608, 318799, H02P 146

Patent

active

060053658

ABSTRACT:
The present invention addresses a problem as to how to provide a motor control apparatus which has a magnetic pole position inferring means capable of inferring the position of a magnetic pole of a synchronous motor by adopting a simple method in a short period of time with a high degree of accuracy. In order to solve this problem, a signal id1* for inference use is applied and a peak value iqh of a response current iq' is detected by an iq' peak detecting unit. The peak value iqh is then supplied to a magnetic pole position inferring unit for inferring the position of the magnetic pole of the synchronous motor by carrying out multiplication processing.

REFERENCES:
patent: 4006977 (1977-02-01), Harrow et al.

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