Adaptive Neural Network-Based Asynchronous Control for Switching Cyber-Physical Systems With Unknown Dead Zone

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Summary

This summary is machine-generated.

This study introduces adaptive neural network control for switching cyber-physical systems with unknown dead zones. The method ensures system stability despite asynchronous switching and unknown inputs, validated by simulations.

Area Of Science

  • Control Systems Engineering
  • Cyber-Physical Systems
  • Artificial Intelligence

Background

  • Switching cyber-physical systems (CPS) present control challenges due to asynchronous switching and unknown system parameters.
  • Existing methods often rely on Markov/semi-Markov processes, which can be computationally intensive.
  • Unknown dead zones in network environments further complicate control design for CPS.

Purpose Of The Study

  • To develop an adaptive neural network control strategy for switching CPS with unknown dead zones.
  • To analyze system behavior using a generalized switching rule, reducing computational load.
  • To ensure the stability and boundedness of the closed-loop system under uncertain conditions.

Main Methods

  • Utilized a generalized switching rule to model subsystem switching dynamics.
  • Employed adaptive neural networks for control law design to handle unknown dead zones.
  • Developed a dynamically adjusted saturation-based observer to mitigate unforeseen information effects.
  • Applied a Lyapunov function approach for stability analysis, ensuring boundedness in probability.

Main Results

  • Established sufficient criteria for ensuring the closed-loop system remains bounded in probability.
  • Demonstrated the effectiveness of the adaptive neural network control law in managing unknown dead zones.
  • Showcased the flexibility of the saturation-based observer through dynamic adjustment of its saturation level.

Conclusions

  • The proposed adaptive neural network asynchronous control methodology is effective for switching CPS with unknown dead zones.
  • The generalized switching rule and observer design offer practical advantages in terms of computational load and flexibility.
  • Simulation results validate the robustness and practicality of the developed control strategy.

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