Adaptive Sliding-Mode Observer Scheme for Sensorless Control of Low-Speed IPMSM Drive

Fei Xiao; Lei Yuan; Ming Liang  Chen

doi:10.4028/www.scientific.net/AMM.380-384.536

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384Adaptive Sliding-Mode Observer Scheme for...

Adaptive Sliding-Mode Observer Scheme for Sensorless Control of Low-Speed IPMSM Drive

Abstract:

This paper proposes an adaptive sliding-mode observer (SMO) for a low-speed interior permanent magnet synchronous motor (IPMSM) drive. In this paper, an adaptive SMO is employed to estimate the rotor speed and extended EMF, a soft phase locked loop (PLL) technology is used to estimate rotor position due to its strong robustness since under voltage phase unbalance or polluted and variable-frequency environment. The global asymptotic stability of the proposed adaptive SMO is verified using Lyapunov stability analysis with considering motor parameter variations. Simulation results are presented to verify the principles and to demonstrate the effectiveness of the proposed method.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

536-540

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.536

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Online since:

August 2013

Authors:

Fei Xiao, Lei Yuan, Ming Liang Chen

Keywords:

Adaptive Sliding-Mode Observer, Extended EMF, Low-Speed, PMSM, Sensorless Control

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