A Robust Controller Based on Extension Sliding Mode Theory for BLDC Motor Drives
Kuei-Hsiang Chao,
Chin-Tsung Hsieh,
Xiao-Jian Chen
Abstract:This paper presents the design of a robust speed controller for brushless DC motors (BLDCM) under field-oriented control (FOC). The proposed robust controller integrates extension theory (ET) and sliding mode theory (SMT) to achieve robustness. First, the speed difference between the speed command and the actual speed of the BLDCM, along with the rate of change of the speed difference, are divided into 20 interval categories. Then, the feedback speed difference and the rate of change of the speed difference ar… Show more
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