Journal
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume 70, Issue -, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2021.3094593
Keywords
Additive/multiplicative uncertainties; moving horizon estimation (MHE); multisensor systems; robust state estimation
Funding
- National Natural Science Foundation of China [61773345]
- Fundamental Research Funds for the Zhejiang Provincial Universities [RF-C2020003]
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This article proposes a moving horizon H-infinity estimation algorithm based on the H-infinity performance criterion to address the robust estimation problem of linear multisensor systems. The algorithm provides sufficient conditions for stability and bounded errors, while also reducing the difficulty of solving the problem by offering an approximate solution. Simulation comparison results demonstrate the effectiveness of the proposed algorithm.
This article considers the robust estimation problem of linear multisensor systems subject to constraints and additive and multiplicative uncertainties where the decaying of measurements is regarded as the multiplicative uncertainty when taking into account the fading channels between the estimator and sensors. Based on the H-infinity performance criterion, a moving horizon H-infinity estimation algorithm is proposed from an approximation of the H-infinity full information estimation, which describes the estimation problem as a minimax optimization problem. Sufficient conditions for the feasibility and stability of the proposed algorithm are discussed, under which the estimation errors are ultimately bounded. To reduce the difficulty of solving minimax problem, an approximate solution is provided. The simulation comparison results show the effectiveness of the proposed algorithm.
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