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Robust H∞ Control of DC Motor in the Presence of Input Delay and Disturbance by the Predictor-Based Method

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  • Nima Maleki
  • Elahe Moradi
  • Mohammad Hassan Khooban

Abstract

In this study, the speed control of a DC motor with input delay and external disturbance is investigated. A delay-dependent memory state feedback robust predictor-based H∞  controller that formerly has presented is utilized. Sufficient LMIs conditions provide the stabilizing gain of the predictor-based controller. The first-order model of a DC motor has been studied previously using PID and STA (super twisting algorithm) methods. However, in this paper, the delay-dependent robust H∞  controller is used on both the first and second orders of the DC motor. Finally, the predictor-based H∞  controller is compared to the PID controller and the common H∞  controller as well. The simulation results show that the proposed method has been more useful and efficient.

Suggested Citation

  • Nima Maleki & Elahe Moradi & Mohammad Hassan Khooban, 2022. "Robust H∞ Control of DC Motor in the Presence of Input Delay and Disturbance by the Predictor-Based Method," Complexity, Hindawi, vol. 2022, pages 1-10, November.
    • Handle: RePEc:hin:complx:1902166
    DOI: 10.1155/2022/1902166
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