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Latin American applied research
Print version ISSN 0327-0793
Abstract
MONTANDON, A. G.; BORGES, R. M. and HENRIQUE, H. M.. Experimental application of a neural constrained model predictive controller based on reference system. Lat. Am. appl. res. [online]. 2008, vol.38, n.1, pp.51-62. ISSN 0327-0793.
The proposed constrained model predictive control (MPC) is based on a successive linearization of a neural model at each sampling time and the closed loop response is subject to a first order reference system as set of equality constraints. In addition the system inputs are subject to hard constraints. In order to satisfy both types of constraints simultaneously it was needed to include a slack vector in the equality constraints. This slack vector provides more flexibility in the control moves in order to render the solution of the optimization problem feasible. The proposed MPC was implemented in an experimental pH neutralization plant. Results showed a very satisfactory performance of the proposed strategy.
Keywords : Model Based Control; Neural Control; Neural Network Models; pH Control; Real-Time Control Systems.
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