Adaptive Robust Control of Speed Sensorless Permanent Magnet Linear Synchronous Motor

Abstract:

In order to improve the dynamic performance of PMLSM, an adaptive robust controller is presented. Meanwhile, the stability of the system is proved by Lyapunov stable theory. The presented controller contains no other motor parameters except state variables. S-function based sliding mode observer is proposed to achieve the estimation of motor speed. The introduction of S-function in the observer can solve the chattering phenomenon caused by traditional sliding mode observer, and solve the amplitude and phase error caused by low-pass filter. Finally, simulation results verify the effectiveness of the proposed control scheme.

• Periodical: Applied Mechanics and Materials (Volumes 385-386)
• Pages: 862-866
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.385-386.862
• Online since: August 2013
• Authors: Ren Jie Yang, Si Jia Yu, Hong Bing Yang, Chuan Sheng Tang, Yue Hong Dai
• Keywords: Adaptive Robust Controller, Permanent Magnet Linear Synchronous Motor (PMLSM), PID Control, Sliding Mode Observer (SMO)

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