Abstract
We employ a deterministic approach to study a multi-reach water quality system subject to uncertain but bounded disturbances at both the input and output levels as well as to uncertain parameter variations. Decentralized controls in the form of rate variation of B.O.D. concentration from an "optimal" steady state value in the effluent and in-stream aeration rate are used to drive the river system to and maintain it at the desired state. If the full state of the river system can be measured, possibly with measurement error, a decentralized state feedback saturation control based on measured state is employed; if only partial state can be measured, an appropriate observer is designed to estimate the state on which the decentralized state feedback saturation control is based.
Based on research supported by NSF and AFOSR.
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Leitmann, G., Lee, C.S., Chen, Y.H. (1987). Decentralized control for an uncertain multi-reach river system. In: Bulirsch, R., Miele, A., Stoer, J., Well, K.H. (eds) Optimal Control. Lecture Notes in Control and Information Sciences, vol 95. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0040214
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DOI: https://doi.org/10.1007/BFb0040214
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