Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/61856
Title: Applications of adaptive controllers to systems with nonlinear parametrization
Authors: Annaswamy, A.M.
Thanomsat, C.
Mehta, N.
Loh, A.-P. 
Issue Date: Dec-1998
Source: Annaswamy, A.M.,Thanomsat, C.,Mehta, N.,Loh, A.-P. (1998-12). Applications of adaptive controllers to systems with nonlinear parametrization. Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME 120 (4) : 477-487. ScholarBank@NUS Repository.
Abstract: Nonlinear parametrizations occur in dynamic models of several complex engineering problems. The theory of adaptive estimation and control has been applicable, by and large, to problems where parameters appear linearly. We have recently developed an adaptive controller that is capable of estimating parameters that appear nonlinearly in dynamic systems in a stable manner. In this paper, we present this algorithm and its applicability to two problems, temperature regulation in chemical reactors and precise positioning using magnetic bearings both of which contain nonlinear parametrizations. It is shown in both problems that the proposed controller leads to a significantly better performance than those based on linear parametrizations or linearized dynamics.
Source Title: Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME
URI: http://scholarbank.nus.edu.sg/handle/10635/61856
ISSN: 00220434
Appears in Collections:Staff Publications

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