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Dual-terminal decentralized event-triggered control for switched systems with cyber attacks and quantization
Yiwen Qi1, Yiwen Tang1, Zhiwu Ke2
1School of Automation, Shenyang Aerospace University, Shenyang 110136, China.
ISA Transactions
|November 9, 2020
Summary
This study ensures the stability of decentralized switched systems against cyber attacks using event-triggered communication and quantization. It develops conditions for globally exponentially stable systems under dual-terminal attacks.
Area of Science:
- Control Systems Engineering
- Cybersecurity
- Networked Systems
Background:
- Switched systems are vulnerable to cyber attacks, necessitating robust control strategies.
- Decentralized communication and event-triggered mechanisms are crucial for efficient resource utilization in networked systems.
- Cyber attacks targeting communication channels can compromise system stability.
Purpose of the Study:
- To investigate dual-terminal event-triggered communication and decentralized control for switched systems under cyber attacks.
- To develop a framework for analyzing the stability of event-triggered closed-loop switched systems subjected to dual-terminal cyber attacks.
- To present design conditions for controllers and event-triggering mechanisms that guarantee system stability.
Main Methods:
- Derivation of event-triggered closed-loop switched systems considering dual-terminal cyber attacks.
- Application of the average dwell time (ADT) technique and piecewise Lyapunov function (LF) method.
- Development of conditions for globally exponential stability (GES).
Main Results:
- Sufficient conditions are established to ensure global exponential stability (GES) for switched systems under dual-terminal cyber attacks.
- Design conditions for event-triggered dynamic output feedback (DOF) controllers and decentralized event-triggering mechanisms (DETMs) are provided.
- Simulations demonstrate the effectiveness of the proposed methods in verifying system stability with and without cyber attacks.
Conclusions:
- The proposed event-triggered communication and decentralized control strategies effectively enhance the resilience of switched systems against dual-terminal cyber attacks.
- The developed stability conditions and design methodologies provide a foundation for securing networked control systems.
- The research contributes to the advancement of secure and efficient control of complex dynamic systems.
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