Motor drive control apparatus, motor drive control method...

Details Motor drive control apparatus, motor drive control method... Motor drive control apparatus, motor drive control method...

2005-07-22

2008-03-04

Ip, Paul (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S434000, C318S716000, C318S802000

Reexamination Certificate

active

07339333

ABSTRACT:
A general-purpose comparator can be used as a comparison processing module to reduce the costs of a motor drive control apparatus. The apparatus has an electric machine; a magnetic pole position computation processing module; a pattern generation processing module; a switching angle computation processing module which computes a switching angle where switching is done in a next control period based on a pulse pattern; a comparison processing module which compares the magnetic pole position with the computed switching angle to generate a comparison signal; and an on-off output processing module which generates a PWM signal based on the comparison signal indicative of the comparison result. In this case, because the magnetic pole position is compared with the computed switching angle to generate the PWM signal based on the comparison signal, a general-purpose comparator can be used as the comparison processing module.

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