Switching extensible FIR filter bank for adaptive horizon state estimation with application
Date
2016
Authors
Pak, J.
Ahn, C.
Shmaliy, Y.
Shi, P.
Lim, M.
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Journal article
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IEEE Transactions on Control Systems Technology, 2016; 24(3):1052-1058
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Jung Min Pak, Choon Ki Ahn, Yuriy S. Shmaliy, Peng Shi and Myo Taeg Lim
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Abstract
Horizon size is an important parameter that affects the estimation performance of finite impulse response (FIR) filters. In this brief, we propose a novel adaptive horizon approach that aims to adapt the horizon size at each time point. The approach suggests providing state estimation using a bank of FIR filters called the switching extensible FIR filter bank (SEFFB), which consists of several FIR filters operating using different horizon sizes. The horizon sizes and the number of FIR filters in the SEFFB are adapted to changes in system characteristics using maximum likelihood. The SEFFB is applied to target tracking using a ground moving target indicator. A significant performance improvement is demonstrated using the SEFFB in comparison with a single FIR filter using constant optimal horizon size.
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© 2015 IEEE.