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Stability of a series of controlled channels with uncertain parameters

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Geophysical Research Abstracts Vol. 17, EGU2015-6877, 2015 EGU General Assembly 2015

© Author(s) 2015. CC Attribution 3.0 License.

Stability of a series of controlled channels with uncertain parameters

Alla Kolechkina and Ronald van Nooijen

Delft University of Technology, Faculty of Civil Engineering and Geosciences, Water Management, Delft, Netherlands (r.r.p.vannooyen@tudelft.nl)

For long open channels it is possible to model the behavior in response to a change in inflow as a delay followed be a reservoir. If we have a series of such models, for instance as a model for the reaches of a primary canal in an irrigation system then it is interesting to examine the possibilities for local control. But even when it has been shown that the system is stable there still remains the problem of uncertainty and in the system parameters and the delays. Moreover, due to degradation of the system, parameters may be time dependent. A method is given to verify stability of the system with uncertain parameters.

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