Long-term fuzzy management of water resource systems

摘要

In the present context of water resource scarcity, a complete approach for long-term storage/transfer/distribution system management is proposed. The main management objective of such a kind of system is to manage reserves and releases so as to minimize the deficit between supply and demand by taking into account demand and contribution prediction.Thus, a sliding horizon approach and especially an adaptation procedure of weighting parameters of the minimization criterion based on fuzzy logic is implemented. This criterion adaptation concept seems entirely judicious, in view of the difficulty to define weighting parameters of such optimization problems and their influence on the relevant solution obtained. Fuzzy logic is shown to be very adequate when it comes to apprehend finely the stakes in presence in the long-term management.The long-term management problem is solved with improved heuristics using linear programming and dynamic programming in order to reduce the effects of space discretization which is so restrictive in this context.The suggested approach is applied to a case study which permits to highlight its relative simplicity of implementation.