Backstepping Sliding Mode Controller for Switched Reluctance Motor with Combined Nonlinear Model

International Journal of Electrical and Electronics Engineering

© 2023 by SSRG - IJEEE Journal

Volume 10 Issue 8

Year of Publication : 2023

Authors : Nha Phi Hoang, Hung Pham Van, Hai Le Xuan

10.14445/23488379/IJEEE-V10I8P123

How to Cite?

Nha Phi Hoang, Hung Pham Van, Hai Le Xuan, "Backstepping Sliding Mode Controller for Switched Reluctance Motor with Combined Nonlinear Model," SSRG International Journal of Electrical and Electronics Engineering, vol. 10,  no. 8, pp. 235-242, 2023. Crossref, https://doi.org/10.14445/23488379/IJEEE-V10I8P123

Abstract:

Today, Switched Reluctance Motors (SRM) are widely used in research and daily life due to their ability to provide large starting torque and low manufacturing costs. In terms of kinematics and control, the SRM drive system displays high nonlinearity due to the motor structure and the nonlinearity of the inverter, which switches between phases to operate the motor. Most current research focuses on controlling the SRM without considering the nonlinearity caused by the inverter. A few studies have dealt with controlling combined systems consisting of SRM and the inverter by linearizing the SRM model. Although this method is simple, the control quality is not high as it fails to account for the nonlinearity of the model. This paper presents a nonlinear control algorithm for the combined model of the switched reluctance motor and the Inverter, specifically the backstepping sliding mode control algorithm, which ensures the asymptotic stability of the system according to the Lyapunov standard. The simulation results demonstrate that the controller synthesized from the combined nonlinear model provides good control quality compared to the previously published H infinity nonlinear feedback controller, particularly when it comes to responding to changes in the speed setpoint and effectively handling load disturbances.

Keywords:

Asymptotic stability, Backstepping sliding mode control, Speed control, SRM, Switched reluctance motor.

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