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http://dx.doi.org/10.11142/jicems.2013.2.1.91

A Study on Low-Cost Sensorless Drive of Brushless DC Motor for Compressor Using Random PWM  

Shin, Duck-Shick (Korea Electronics Technology Institute (KETI))
Kim, Dae-Kyong (Dept. of Electrical Control Engineering, Sunchon National University)
Publication Information
Journal of international Conference on Electrical Machines and Systems / v.2, no.1, 2013 , pp. 91-96 More about this Journal
Abstract
Recently, it is increased to apply sensorless drive for BLDC (Brushless DC) motor to household electrical appliances, especially in the refrigerators and air conditioners, to reduce the cost and the acoustic noise by the operation and to make their functions more comfortable for human beings. In this paper, low-cost sensorless drive for BLDC motor is implemented by random PWM (Pulse Width Modulation). The experimental results show that the electromagnetic noise was reduced and the sound quality was improved by BLDC motor sensorless random PWM Control.
Keywords
BLDC; Random PWM; Sensorless;
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Times Cited By KSCI : 1  (Citation Analysis)
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