Abstract
Good flux and torque control performance is vital to high performance AC servo drives. A sliding-mode variable structure controller (SM-VSC) for stator flux and torque of induction motors is presented in this chapter. From the mechanism model and electromagnetic characteristics of IM, it is proved that the coefficient matrix D is non-singular and that the SM-VSC for stator flux and torque of IM is feasible. In order to reduce its inherent chattering and resulting ripples of torque and flux, an exponential reaching law is chosen, in which the parameters are designed by Lyapunov’s theory under satisfying some robustness in the presence of parameter and disturbance uncertainties. Simulation results are presented to show the capability and validity of the proposed control scheme.
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Wu, Q., Li, L., Lun, S. (2014). Sliding-Mode Variable Structure Controller for Stator Flux and Torque of Induction Motor Drives. In: Xing, S., Chen, S., Wei, Z., Xia, J. (eds) Unifying Electrical Engineering and Electronics Engineering. Lecture Notes in Electrical Engineering, vol 238. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4981-2_85
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DOI: https://doi.org/10.1007/978-1-4614-4981-2_85
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