2002•Unpublished venueRequires access

Discrete-time sliding mode control of a brushless DC drive

Kay‐Soon Low, Yigao Deng, C.Y. Chan

Abstract

This paper proposed a discrete-time sliding mode control (DSMC) approach for the position control of a brushless DC motor drive. Unlike the continuous time sliding mode control (CSMC) approach, the controller in this design does not employ a switching term. Consequently, the motor current does not switch frequently and the drive is free from the chattering drawback. The proposed scheme has been implemented with a DSP to control an experimental drive in real-time. The results show that it has good response and is insensitive to load disturbances and inertia variations.

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Available abstract

Key concepts: Control theory (sociology), DC motor, Inertia, Sliding mode control, Computer science, Controller (irrigation), Discrete time and continuous time, Mode (computer interface)