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Design of approximately optimal feedback controllers for systems with bounded states

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2 Author(s)
Saridis, G.N. ; Purdue University, Lafeyette, IN, USA ; Rekasius, Z.

Implementation is one of the most pronounced difficulties in designing optimal feedback controllers to prevent the state variables of the system from exceeding predetermined bounds. A method to obtain approximately optimal feedback controllers based on the geometric features of the optimal open-loop solution of the bounded state variable problem is presented in this paper. Easily instrumentable controllers are designed and successfully tested on various plants to furnish a value of the performance criterion close to the optimal. Typical examples illustrate the approach.

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Automatic Control, IEEE Transactions on  (Volume:12 ,  Issue: 4 )