Jing-Wei Tang, De-Fu Zhang, and Si-Si Yang
PMSM, chattering, sensorless control, model reference adaptive system
With the aim of enhancing the accuracy of sensorless control system for permanent magnet synchronous motor (PMSM), this paper is on the grounds of integral fast super-twisting sliding mode variable structure model reference adaptive system observer (IFSTSM-MRASO). Firstly, that integral sliding mode surface is devised for the sake of guaranteeing the finite time convergence of the system error, and it is adopted with the intention of reducing the steady-state error of the system. Secondly, by designing a fast super- twisting algorithm with linear correction terms and combining it with the model reference adaptive system, the purpose of weakening the aforementioned chattering issue and improving the system accuracy are achieved. Ultimately, the efficiency of the presented tactic is demonstrated through comparing the consequences of simulation.
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