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Robust decentralised controller for linear-interconnected dynamical systems

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2 Author(s)
Hassan, M.F. ; Centre National de la Recherche Scientifique, Laboratoire d''Automatique et d''Analyse des Systÿmes, Toulouse, France ; Singh, M.G.

In this paper we develop an entirely new approach to the solution of the decentralised control problem for large-scale linear-interconnected dynamical systems. We provide a simple reduced-order model for the interactions, and, using this interaction model, we compute a decentralised controller whose parameters are independent of the initial states and which can accommodate unknown constant external disturbances. In the implementation of the controller; there is no passage of state information between the subsystems. The new method has been illustrated on a 22nd-order river-pollution control example.

Published in:

Electrical Engineers, Proceedings of the Institution of  (Volume:125 ,  Issue: 5 )