Zonotopic Set-Membership State Estimation for Switched LPV Systems
IFAC PAPERSONLINE(2023)
摘要
This paper addresses the state estimation problem for switched discrete-time Linear Parameter Varying (LPV) systems with mensurable and unmeasurable scheduling parameters. A zonotopic switched polytopic state estimator, considering parameter uncertainty, is proposed based on a Set-Membership Approach (SMA). Taking Average Dwell Time (ADT) into account, a new criterion is proposed to guarantee the convergence of the estimation. An application to vehicle lateral dynamics state estimation is used as case study. Simulation results reveal the effectiveness of the proposed algorithm and demonstrate advantages over the existing methods.
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关键词
Set-membership estimation,state estimation,switched polytopic LPV system,parameter uncertainty,average dwell time,zonotopes
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