基于改进TOPSIS法的舰船总体方案群决策方法

  目的  为处理舰船设计方案质量评估中存在的不确定性问题，提出云重心评估方法。  方法  阐述云理论的基本概念，对云重心方法的评估原理及基本流程进行总结分析。鉴于现有云重心算法不能有效反映质量特性与用户需求的匹配程度，通过定义质量匹配度改进云重心算法; 针对评估数据量小导致的评估结果精度较低的问题，借助云发生器对评估数据进行有效扩充，从而优化评估意见。在此基础上，结合某型舰的设计方案取舍进行示例计算和分析。  结果  结果表明:改进后的方法对此类问题具有较好的适应性，评估结果符合舰船设计方案的质量评估要求。  结论  tt 研究成果对云重心方法的应用具有较好的借鉴价值，为舰船设计方案的选择提供了一种新思路。

Group decision-making method for warship based on improved TOPSIS

  Objectives  To deal with uncertainties in the quality evaluation of alternative navy vessel designs, the cloud barycenter evaluation method is introduced.  Methods  The basic concept of cloud theory is expounded upon and the evaluation principle and basic process of the cloud barycenter method are analyzed. The existing cloud barycenter algorithm cannot effectively express the matching degree between quality characteristics and user requirement. The improvement of the cloud barycenter algorithm is realized by defining the quality matching degree. Due to the small amount of data, the accuracy of the evaluation express is insufficient. The evaluation data can be effectively extended through the cloud generator so as to better express the evaluation results. On this basis, the method is analyzed according to alternative vessel design choices.  Results  The results show that the improved method has good adaptability to the problems, and the evaluation results are in accordance with the quality evaluation requirements of the alternative naval vessel design.  Conclusions  ttThe findings of this paper can provide valuable references for the application of the cloud barycenter method and new ideas for the selection of alternative navy vessel design.