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Title:Supervisory nonlinear MPC for emergency voltage control using pattern search
Authors:R.R. Negenborn, S. Leirens, B. De Schutter, J. Hellendoorn

Journal:Control Engineering Practice

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.

Reference:R.R. Negenborn, S. Leirens, B. De Schutter, J. Hellendoorn. Supervisory nonlinear MPC for emergency voltage control using pattern search. Control Engineering Practice, vol. 17, no. 7, pp. 841-848, July 2009.

BibTeX:
@article{Negenborn:07c,
  author =  {R. R. Negenborn and S. Leirens and B. {De Schutter} and J. Hellendoorn},
  title =   {Supervisory nonlinear {MPC} for emergency voltage control
             using pattern search},
  journal = {Control Engineering Practice},
  year =    {2009},
  month =   {July},
  pages =   {841--848},
  volume =  {17},
  number =  {7}
}
Download:Corresponding technical report


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