A convex penalty for switching control of partial differential equations

24 Feb 2017  ·  Christian Clason, Armin Rund, Karl Kunisch, Richard C. Barnard ·

A convex penalty for promoting switching controls for partial differential equations is introduced; such controls consist of an arbitrary number of components of which at most one should be simultaneously active. Using a Moreau-Yosida approximation, a family of approximating problems is obtained that is amenable to solution by a semismooth Newton method. The efficiency of this approach and the structure of the obtained controls are demonstrated by numerical examples.

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