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Integrated Feedback Scheduling and Control Codesign for Motion Coordination of Networked Induction Motor Systems

Author

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  • Dezong Zhao
  • Qingqing Ding
  • Shangmin Zhang
  • Chunwen Li
  • Richard Stobart

Abstract

This paper investigates the codesign of remote speed control and network scheduling for motion coordination of multiple induction motors through a shared communication network. An integrated feedback scheduling algorithm is designed to allocate the optimal sampling period and priority to each control loop to optimize the global performance of a networked control system (NCS), while satisfying the constraints of stability and schedulability. A speed synchronization method is incorporated into the scheduling algorithm to improve the speed synchronization performance of multiple induction motors. The rational gain of the network speed controllers is calculated using the Lyapunov theorem and tuned online by fuzzy logic to guarantee the robustness against complicated variations on the communication network. Furthermore, a state predictor is designed to compensate the time delay which occurred in data transmission from the sensor to the controller, as a part of the networked controller. Simulation results support the effectiveness of the proposed control-and-scheduling codesign approach.

Suggested Citation

  • Dezong Zhao & Qingqing Ding & Shangmin Zhang & Chunwen Li & Richard Stobart, 2014. "Integrated Feedback Scheduling and Control Codesign for Motion Coordination of Networked Induction Motor Systems," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-14, March.
    • Handle: RePEc:hin:jnlmpe:578569
    DOI: 10.1155/2014/578569
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