Performance analysis of irrigation channels with distributed control


Reference:

Y. Li and B. De Schutter, "Performance analysis of irrigation channels with distributed control," Proceedings of the 2010 IEEE International Conference on Control Applications, Yokohama, Japan, pp. 2148-2153, Sept. 2010.

Abstract:

For a string of pools with distant-downstream control, the internal time-delay for water transport from upstream to downstream not only limits the local control performance of regulating water-levels at setpoints and rejecting offtake disturbances in each pool, but also impacts the global performance of managing the water-level error propagation and attenuating the amplification of control actions in the upstream direction. A distributed control scheme which inherits the interconnection structure of the plant is studied. It is shown that the decoupling terms in the controller helps to improve global closed-loop performance by decreasing the low-frequency gain of the closed-loop coupling. Moreover, they compensate for the influence of the time-delay by imposing extra phase lead-lag compensation in the mid-frequency range on the closed-loop coupling function.

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Bibtex entry:

@inproceedings{LiDeS:10-032,
author={Y. Li and B. {D}e Schutter},
title={Performance analysis of irrigation channels with distributed control},
booktitle={Proceedings of the 2010 IEEE International Conference on Control Applications},
address={Yokohama, Japan},
pages={2148--2153},
month=sep,
year={2010},
doi={10.1109/CCA.2010.5611113}
}


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