Abstract
This paper proposes a robust event-triggered observer design scheme for the systems fulfilling the one-sided Lipschitz and quadratic inner-boundedness conditions. The suggested observer scheme differs from the traditional methods because it deals with a less conservative and a more generalized class of nonlinear systems while utilizing fewer resources and meeting performance requirements. In contrast to the conventional Lipschitz methods, the proposed method considers a broader class of OSL systems, and it can avoid a high-gain observer, which can be sensitive to the measurement noise. The proposed linear matrix inequalities-based observer design guarantees the uniformly ultimately bounded convergence of the observation error with an exponential decay under disturbances. Also, several scenarios selecting a threshold for event-triggering schemes from an observer design perspective are addressed along with their advantages and issues. Simulation results are provided to validate the established results.
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Acknowledgment
This work was supported by the National Research Foundation (NRF) of Korea under the auspices of the Ministry of Science and ICT, Korea (grant no. NRF-2020R1A2B5B03096000).
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Communicated by Antonio José Silva Neto.
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Binyamin, M., Tufail, M., Rehan, M. et al. A novel approach for event-triggered state-estimation of one-sided Lipschitz systems for efficient bandwidth utilization. Comp. Appl. Math. 40, 117 (2021). https://doi.org/10.1007/s40314-021-01493-8
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DOI: https://doi.org/10.1007/s40314-021-01493-8