期刊
IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING
卷 -, 期 -, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASE.2022.3230455
关键词
RH H-2-FIR filter; OFIR filter; UFIR filter; Kalman filter; uncertainty; disturbance; robustness
资金
- Mexican Consejo Nacional de Ciencia y Tecnologia (CONACyT) [A1-S-10287, CB2017-2018]
This article proposes a robust RH H-2-FIR filter for uncertain system disturbances and demonstrates its superiority in quasi-periodic disturbed processes.
horizon (RH) finite impulse response (FIR) filters (observers) are used in model predictive and state feedback control. For such applications, we develop a robust RH H-2 suboptimal FIR (RH H-2-FIR) filter under the conditions when an uncertain system is also disturbed, and the initial and data errors are not necessarily Gaussian. The RH H-2-FIR filter is obtained by minimizing the squared Frobenius norm of the weighted error-to-error transfer function, where the weights are related to the errors. The filter developed is tested by a quasi periodic disturbed process with an uncertain system matrix. Based on numerical examples and experimental data, it is shown that the RH H-2-FIR filter outperforms the optimal FIR, Kalman, maximum likelihood FIR, and unbiased FIR (UFIR) filters. It is also almost as robust as the UFIR filter.
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