2009•MicromotorsRequires access

Implementation of Sine-wave Current Driving Method for BLDCM with Trapezoidal Back-EMF Waveforms

Qian Fu

Abstract

Square-wave current drive and sine-wave current drive of trapezoidal back-EMF waveforms of BLDCM were introduced and the work principle of sine-wave current drive was presented in this paper.Adopting the DSP chip dsPIC30F6010,the control system of BLDCM was designed.Experimental results showed the rationality and the validity of the method of sine-wave current drive.

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Available abstract

Key concepts: Sine wave, Waveform, Non-sinusoidal waveform, Square wave, Current (fluid), Control theory (sociology), Sine, Electrical engineering