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Minimum norm state estimation for computer control of water distribution systems

Minimum norm state estimation for computer control of water distribution systems

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© The Institution of Electrical Engineers
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The paper presents an algorithm for water-system state estimation in presence of gross errors in measurement data. Application of a modulus norm in place of the more usual least-squares criterion for the minimisation of measurement inconsistency is shown to result in a linear programming formulation. A high computational efficiency for the algorithm is obtained by utilisation of both sparsity techniques and some special features of water distribution systems. Test results are included which demonstrate the applicability of the algorithm for online computer-based state estimation.

Inspec keywords: computerised control; linear programming; state estimation; water supply

Other keywords: water distribution systems; state estimation; computer control; linear programming; modulus norm; sparsity techniques

Subjects: Optimisation; Natural resources and environmental control; Control engineering computing; Simulation, modelling and identification; Public utilities; Optimisation techniques

References

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      • Piotrowski, J.: Report on National Conference on Water-Distribution Systems, 1978, Ustron , (in Polish).
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      • Rao, H.S., Bree, D.W., Benzvi, R.: `Extended period simulation of water distribution networks', PB-230 148, Final report by Systems Control Inc. Document, February 1974.
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