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Input constraints handling in an MPC/feedback linearization scheme

Deng, J. M., Becerra, V. M. and Stobart, R. (2009) Input constraints handling in an MPC/feedback linearization scheme. International Journal of Applied Mathematics and Computer Science, 19 (2). pp. 219-232. ISSN 1641-876X

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To link to this item DOI: 10.2478/v10006-009-0018-2

Abstract/Summary

The combination of model predictive control based on linear models (MPC) with feedback linearization (FL) has attracted interest for a number of years, giving rise to MPC+FL control schemes. An important advantage of such schemes is that feedback linearizable plants can be controlled with a linear predictive controller with a fixed model. Handling input constraints within such schemes is difficult since simple bound contraints on the input become state dependent because of the nonlinear transformation introduced by feedback linearization. This paper introduces a technique for handling input constraints within a real time MPC/FL scheme, where the plant model employed is a class of dynamic neural networks. The technique is based on a simple affine transformation of the feasible area. A simulated case study is presented to illustrate the use and benefits of the technique.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science
ID Code:15201
Uncontrolled Keywords:predictive control, feedback linearization, neural networks, nonlinear, systems, constraints,

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