Robust adaptive high order sliding-mode optimum controller for sensorless interior permanent magnet synchronous motors

Mohamed Assaad Hamida, Alain Glumineau, Jesus de Leon and Luc Loron

Mathematics and Computers in Simulation (MATCOM), 2014, vol. 105, issue C, 79-104

Abstract: In this paper, a robust nonlinear controller for sensorless interior permanent magnet synchronous motors (IPMSM) is designed to track a desired reference which is computed by using a maximum-torque-per-ampere strategy (MTPA). The proposed controller ensures finite-time convergence of sliding variables despite parameter uncertainties and unknown load torque. Furthermore, from the measurement of the currents and the voltages, a new analysis of the observability property is developed. Then, an adaptive interconnected observer is designed to estimate the angular velocity, the position, the load torque and the stator resistance. Using a Lyapunov approach, an analysis of the closed-loop system stability is given. Simulation results are presented to confirm the effectiveness of the proposed method.

Keywords: Observability analysis; High-order sliding mode; Adaptive observer; Interior permanent magnet synchronous motor (IPMSM) (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:105:y:2014:i:c:p:79-104

DOI: 10.1016/j.matcom.2014.05.006

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