现有结构性能非概率优化设计研究未考虑复杂装备关键部件结构多性能指标的均衡与稳健性需求，对复杂装备关键部件结构多性能指标的非概率稳健性度量与非概率直接稳健优化等问题缺乏研究，难以实现装备的高性能设计。为此，本项目旨在深入分析复杂装备关键部件结构综合性能的评价指标体系、确立考虑性能均衡的复杂装备关键部件结构非概率稳健设计准则的基础上，构建考虑性能均衡的复杂装备关键部件结构的非概率稳健设计模型，提出基于区间波动度和区间违反矢量的复杂装备关键部件结构多性能指标非概率稳健性的度量方法，研究并实现基于约束非支配排序遗传算法的复杂装备关键部件结构多性能指标均衡的非概率直接稳健优化技术，并在典型复杂装备关键部件结构设计中进行应用验证。本项目的成功实施将为考虑性能均衡的复杂装备关键部件结构的非概率稳健设计奠定重要的理论基础，研究成果将为实现复杂装备的高性能设计提供先进的方法支撑与高效的工具支持。

Present research on non-probabilistic optimization of structural performance does not consider the balanced and robust demand of the multiple structural performance indices of the key components in complex equipment, and there is also rare research work on the measure of robustness and direct robust optimization for the multiple performance indices of the key components in complex equipment under non-probabilistic condition, which makes it difficult to achieve high performance design of equipment. Therefore, this project aims to construct the non-probabilistic robust design model for the key components of complex equipment considering performance balance after conducting a deep analysis of the index system for evaluating their comprehensive performance as well as the criteria for their non-probabilistic robust optimization. The method for measuring the non-probabilistic robustness of the structural performance indices of the key components in complex equipment is proposed based on interval volatility and interval violation vector. The direct non-probabilistic robust optimization technique for the key components’ structures in complex equipment is put forward and realized based on the constrained non-dominated sorting genetic algorithm. The validity of the proposed theory, method and technique is verified by the structural design of the key components in typical complex equipment. The successful implementation of this project will lay an important theoretical foundation for the non-probabilistic robust design of the key components in complex equipment considering performance balance. The research results will provide advanced methods and efficient tools for the high performance design of complex equipment.