A switching sliding mode control technique for chaos suppression of fractional-order complex systems

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  • Majid Roohi, Guangzhou University, University College of Rouzbahan
  • ,
  • Mohammad Hassan Khooban
  • Zahra Esfahani, University College of Rouzbahan
  • ,
  • Mohammad Pourmahmood Aghababa, Urmia University of Technology
  • ,
  • Tomislav Dragicevic

Switching sliding mode control (SSMC) can be utilized as a robust control technique, which is appropriate for the control of highly non-linear power systems like chaotic systems. The present study proposes a switching sliding mode control technique for control and chaos suppression of non-autonomous fractional-order (FO) nonlinear power systems with uncertainties and external disturbances. In the first step, a novel fractional switching sliding surface is introduced as well as its stability analysis to the origin is demonstrated. In the second step, based on the fractional version of the Lyapunov stability theory, a robust non-singular control law is designed to ensure the convergence of the system trajectories to the proposed sliding surface. Next, the proposed SSMC approach is utilized for designing a single input switching control technique for the stabilization of a class of 3D FO chaotic power systems. In order to evaluate the effectiveness and robustness of the suggested approach in practice, two examples including control and the stabilization of FO chaotic electric motors are illustrated.

TidsskriftTransactions of the Institute of Measurement and Control
Sider (fra-til)2932-2946
StatusUdgivet - jun. 2019

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