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Optimal control of dispersive tubular chemical reactors: Part II.

Authors:Logist Filip, Katholieke Universiteit Leuven, Belgium
Smets Ilse, Katholieke Universiteit Leuven, Belgium
Vande Wouwer Alain, Faculté Polytechnique de Mons, Belgium
Van Impe Jan F.M., Katholieke Universiteit Leuven, Belgium
Topic:6.1 Chemical Process Control
Session:Advances in Process Control
Keywords: chemical industry, distributed-parameter systems, model-based control, optimal control, reactor control, second-order systems

Abstract

While in the first paper of this series of two, optimal jacket fluid temperature control profiles have been derived for a family of dispersive tubular chemical reactors, the performance of these optimal profiles is further assessed in this second part. First, the performance of the optimal bang-bang control is compared with that of a more easily implementable constant jacket fluid temperature and secondly, the transient behaviour is studied, when the steady-state optimal control law is applied from the reactor start-up.