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Kernel methods in system identification, machine learning and function estimation: A survey
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DOI：10.1016/j.automatica.2014.01.001.png)
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摘要
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Most of the currently used techniques for linear system identification are based on classical estimation paradigms coming from mathematical statistics. In particular, maximum likelihood and prediction error methods represent the mainstream approaches to identification of linear dynamic systems, with a long history of theoretical and algorithmic contributions. Parallel to this, in the machine learning community alternative techniques have been developed. Until recently, there has been little contact between these two worlds. The first aim of this survey is to make accessible to the control community the key mathematical tools and concepts as well as the computational aspects underpinning these learning techniques. In particular, we focus on kernel-based regularization and its connections with reproducing kernel Hilbert spaces and Bayesian estimation of Gaussian processes. The second aim is to demonstrate that learning techniques tailored to the specific features of dynamic systems may outperform conventional parametric approaches for identification of stable linear systems. (C) 2014 Elsevier Ltd. All rights reserved.
Keyword:
Linear system identification
Prediction error methods
Model complexity selection
Bias-variance trade-off
Kernel-based regularization
Inverse problems
Reproducing kernel Hilbert spaces
Gaussian processes
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5.9
论文数:
1.2W
被引数:
5.2W
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