Feedback Linearizing Control Using Hybrid Neural Networks Identified by Sensitivity Approach

版本 1.0.0.0 (1.1 MB) 作者: Janos Abonyi
Identification and application of hybrid models for Globally Linearizing Control
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更新时间 2014/7/8

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Globally Linearizing Control (GLC) is a control algorithm capable of using non-linear process model directly. In GLC, mostly, first-principles models derived from dynamic mass, energy and momentum balances are used. When the process is not perfectly known, the unknown parts of the first principles model should be represented by black-box models, e.g. by neural networks. This work is devoted to the identification and application of such hybrid models for GLC. It is shown that the first principles part of the model determines the dominant structure of the controller, while the black-box elements of the hybrid model are used as state and/or disturbance estimators. For the identification of the neural network elements of the hybrid model a sensitivity approach based algorithm has been developed. The underlying framework is illustrated by the temperature control of a continuous stirred tank reactor (CSTR) where a neural network is used to model the heat released by an exothermic chemical reaction.

Algorithm also described in:
J. Madár, J. Abonyi, F. Szeifert, Feedback linearizing control using hybrid neural networks identified by sensitivity approach, Engineering Applications of Artificial Intelligence, 343-351, 2005

More MATLAB implementation on my website:
http://www.abonyilab.com/software-and-data

引用格式

Janos Abonyi (2024). Feedback Linearizing Control Using Hybrid Neural Networks Identified by Sensitivity Approach (https://www.mathworks.com/matlabcentral/fileexchange/47172-feedback-linearizing-control-using-hybrid-neural-networks-identified-by-sensitivity-approach), MATLAB Central File Exchange. 检索来源 .

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1.0.0.0