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Bumpless Transfer Control for Discrete Semi-Markov Switching Power System With Cyber Attack
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DOI：10.1109/TCSII.2025.3582648.png)
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Abstract
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In this brief, the bumpless transfer control is studied for power system under cyber attack with stochastic switching rule. Transient failures of power lines and dynamic switching of circuit breakers are accurately modeled by introducing semi-Markov chain. Due to the randomness of denial-of-service attack, a Markov chain is introduced to characterize the attack behavior. In order to solve the issue of stochastic switching in system operation and the impact caused by cyber attack, a comprehensive bumpless transfer rule is proposed, which is applicable to both the switching instant and the switching interval. By combining semi-Markov kernel and Lyapunov function method, a state feedback controller with no disturbance transfer performance is designed and its effectiveness is verified by numerical example.
Keywords:
Bumpless transfer control
power system
semi-Markov chain
denial-of-service attack
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