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The design and implementation of the BLDC motor drive for a washing machine

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4 Author(s)
Tze-Yee Ho ; Dept. of Electr. Eng., Feng Chia Univ., Taichung, Taiwan ; Mu-Song Chen ; Jia-Shen Lin ; Po-Hung Chen

This paper presents the brushless DC (BLDC) motor drive with direct torque control (DTC) for a washing machine over variable speed range. The system hardware and software programming are analyzed and designed. The flux controller and torque controller are derived and realized accordingly. A prototype of BLDC motor drive based on the DSP controller with DTC control is implemented and validated by the exhibition of waveforms measurement for currents, torque, flux linkage, and speed. The performance of the BLDC motor drive employing DTC is compared with that of BLDC utilizing the PI current control. The simulations are carried out prior to realization of the system implementation. The experimental results not only verify the feasibility of designed system but also demonstrate that BLDC with DTC control has superior characteristics than that with PI current control.

Published in:

Consumer Electronics (GCCE), 2012 IEEE 1st Global Conference on

Date of Conference:

2-5 Oct. 2012