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A platform for research: civil engineering, architecture and urbanism
Research on optimal allocation of flow and head in cascade pumping stations based on Harris hawks optimization
To address the problems of massive energy consumption and low operating efficiency in cascade pumping stations (CPSs), an optimized scheduling model for CPSs with water flow and head constraints was constructed in this study. The Harris hawks optimization (HHO) algorithm was employed to solve this model owing to its excellent performance in the field of engineering majorization. Based on this model, an optimal scheduling method for CPSs was proposed and applied to the three-stage pumping station system. The results demonstrate that the optimization schemes based on the HHO algorithm can improve the operational efficiency and annual cost savings under three different pumping flow conditions by 0.16, 0.55, and 0.56%, reducing the annual operating cost by ¥22,703, ¥74,581, and ¥75,356, respectively, relative to the currently used schemes. These results are better than those obtained by the particle swarm optimization (PSO) algorithm and genetic algorithm (GA). Furthermore, in terms of computational time, the optimization method with the HHO algorithm can show an improvement of 8.94–29.74% compared with those of PSO and GA, verifying the feasibility and efficiency of the HHO algorithm in the optimal scheduling for CPSs. Therefore, the proposed method is effective at solving the scheduling problem of CPSs. HIGHLIGHTS An optimized scheduling model considering operational efficiency of cascade pumping stations (CPSs) in water transfer systems is established.; An optimization dispatching method for CPSs based on the Harris hawks optimization algorithm is provided.; The effectiveness and superiority of the proposed method are confirmed using an engineering case.;
Research on optimal allocation of flow and head in cascade pumping stations based on Harris hawks optimization
To address the problems of massive energy consumption and low operating efficiency in cascade pumping stations (CPSs), an optimized scheduling model for CPSs with water flow and head constraints was constructed in this study. The Harris hawks optimization (HHO) algorithm was employed to solve this model owing to its excellent performance in the field of engineering majorization. Based on this model, an optimal scheduling method for CPSs was proposed and applied to the three-stage pumping station system. The results demonstrate that the optimization schemes based on the HHO algorithm can improve the operational efficiency and annual cost savings under three different pumping flow conditions by 0.16, 0.55, and 0.56%, reducing the annual operating cost by ¥22,703, ¥74,581, and ¥75,356, respectively, relative to the currently used schemes. These results are better than those obtained by the particle swarm optimization (PSO) algorithm and genetic algorithm (GA). Furthermore, in terms of computational time, the optimization method with the HHO algorithm can show an improvement of 8.94–29.74% compared with those of PSO and GA, verifying the feasibility and efficiency of the HHO algorithm in the optimal scheduling for CPSs. Therefore, the proposed method is effective at solving the scheduling problem of CPSs. HIGHLIGHTS An optimized scheduling model considering operational efficiency of cascade pumping stations (CPSs) in water transfer systems is established.; An optimization dispatching method for CPSs based on the Harris hawks optimization algorithm is provided.; The effectiveness and superiority of the proposed method are confirmed using an engineering case.;
Research on optimal allocation of flow and head in cascade pumping stations based on Harris hawks optimization
Xiaopeng Hou (author) / Leike Zhang (author) / Xiaolian Liu (author) / Xueni Wang (author) / Yu Tian (author) / Xianyu Deng (author) / Chen Ye (author)
2024
Article (Journal)
Electronic Resource
Unknown
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