Supervisory nonlinear MPC for emergency voltage control using pattern search


Reference:
R.R. Negenborn, S. Leirens, B. De Schutter, and J. Hellendoorn, "Supervisory nonlinear MPC for emergency voltage control using pattern search," Control Engineering Practice, vol. 7, no. 7, pp. 841-848, July 2009.

Abstract:
The design of a higher-layer controller using model predictive control (MPC) is considered. The higher-layer controller uses MPC to determine set-points for controllers in a lower control layer. In this paper the use of an object-oriented model of the system for making predictions is proposed. When employing such an object-oriented prediction model the MPC problem is a nonlinear, non-smooth optimization problem, with an objective function that is expensive to evaluate. Multi-start pattern search is proposed as approach to solving this problem, since it deals effectively with the local minima and the non-smoothness of the problem, and does not require expensive estimation of derivatives. Experiments in an emergency voltage control problem on a 9-bus dynamic power network show the superior performance of the proposed multi-start pattern search approach when compared to a gradient-based approach.


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Bibtex entry:

@article{NegLei:07-025,
        author={R.R. Negenborn and S. Leirens and B. {D}e Schutter and J. Hellendoorn},
        title={Supervisory nonlinear {MPC} for emergency voltage control using pattern search},
        journal={Control Engineering Practice},
        volume={7},
        number={7},
        pages={841--848},
        month=jul,
        year={2009},
        doi={10.1016/j.conengprac.2009.02.003}
        }



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