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Adaptive control of water quality in water distribution networks

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4 Author(s)
Zhong Wang ; Dept. of Engine Dev. & Calibration & Validation, Gen. Motors, Milford, MI, USA ; Polycarpou, M.M. ; Uber, J.G. ; Feng Shang

Based on investigating the spatially distributed input-output relationship of disinfectant residual in water distribution networks, this brief paper formulates the water quality control problem of multiple nodes in a decomposed adaptive control framework, with special consideration on the periodic variation of parameter uncertainty due to varying consumer demands. The water distribution network is decomposed to subnetworks based on the effect of the decay of chlorine concentration. The periodic parametric uncertainty is represented by a Fourier series with on-line parameter estimation of the unknown coefficients. A simulation example is provided to illustrate the performance of the algorithm in a real water distribution network.

Published in:

Control Systems Technology, IEEE Transactions on  (Volume:14 ,  Issue: 1 )