针对水库多目标调度模型生成的众多Pareto可行解，决策者往往面临方案优选决策困难的问题。本文提出利用可视化展示工具，结合边际效益分析及模糊优选方法，对可行方案进行逐步决策的优选决策方法。结果表明，利用不同的分析工具与决策方法，使众多可行方案得到形象可视化展示的同时，能够融入决策者的主观偏好等信息，得到具有不同决策需求的满意方案。通过不同决策方法的层层决策，逐渐减少备选方案的数量，降低了多目标决策问题的复杂性，为决策者的方案优选提供一定的参考。

Decision makers usually face decision-making difficulties on Pareto feasible solutions generated by reservoir multi-objective operation model. To solve this problem, visualization tool together with marginal benefit analysis and fuzzy optimization method were proposed for gradual optimization of feasible solution set. The results showed that, by using different analysis tools and decision methods, feasible solutions received visual representation meanwhile some of the decision preference information was integrated to obtain the satisfactory solutions for different decision-making demands. By using different decision methods, the number of alternative solutions was reduced gradually to make the problem less complex. This paper can provide some references for multi-objective solution selection problem for decision makers.

重大国际（地区）合作研究项目（51320105010）；国家自然科学基金资助项目（51379027，51109025）