Abstract
This paper is concerned with event-triggered H∞ control of sampled-data systems. Its novelties lie in three aspects: (i) A novel accumulated-state-error-based event-triggered scheme is introduced by comparing the integral of the state error from tk to t with the system state sampled at tk. This condition works well due to the fact that the so-called Zeno behaviour does not occur. (ii) A novel Lyapunov functional is constructed to establish a criterion to ensure some certain H∞ performance of the closed-loop system. This Lyapunov functional is dependent on the integral of the state error involved in the event-triggered scheme. (iii) Under the event-triggered sampling scheme, suitable state-feedback controllers can be designed rather than be given a priori. Moreover, a self-triggered implementation of the proposed event-triggered sampling scheme is presented as well. Finally, a batch reactor model and an inverted pendulum system are given to demonstrate the effectiveness of the proposed method.
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This work was partly supported by Key Project of Natural Science Foundation of Zhejiang Province of China (Grant No. LZ19F03000) and National Natural Science Foundation of China (Grant No. 62173209).
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Zhang, XM., Han, QL., Zhang, BL. et al. Accumulated-state-error-based event-triggered sampling scheme and its application to H∞ control of sampled-data systems. Sci. China Inf. Sci. 67, 162206 (2024). https://doi.org/10.1007/s11432-023-4038-3
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DOI: https://doi.org/10.1007/s11432-023-4038-3