【作者】 陈晓波； 李君龙； 肖田元；

【Author】 Chen Xiao-bo~1 Li Jun-long~1 Xiao Tian-yuan~2 (1.The Second System Design Department of the Second Research Academy of CASIC,Beijing,100854) (2.The Automation Department of Tsinghua University,Beijing,100084)

【机构】 航天科工集团二院二部； 清华大学自动化系；

【摘要】 协同仿真已成为将仿真全面应用于复杂产品设计的重要方法。基于协同仿真结果,如何评估某设计是否满足产品行为要求;针对多个互相冲突的产品性能指标,如何评估、实现某设计的最优化,都迫切需要相应的仿真分析评估及决策支持理论、方法加以支持。首先提出面向复杂产品设计的协同仿真优化问题,然后给出应用多准则决策的求解策略:在确定产品的系统结构基础上,将协同仿真优化问题转变为以产品系统参数为决策变量的多目标优化问题。结合一种新的基于目标函数优先级和约束违背度量的多目标优化遗传算法,总结给出了面向复杂产品设计的协同仿真优化方法。论文最后以防空导弹和大型柔性空间结构这两个复杂航天产品为应用对象,分别设计了相应的鲁棒优化控制器,优化结果显示了协同仿真优化理论、方法的有效性。更多还原

【Abstract】 Collaborative simulation have become an important method to fully apply simulation to complex product design.Based on simulation result,how to evaluate one design whether it satisfies the behaviors requirements or not;how to evaluate one design whether it is optimal or not for multiple conflict performance indexes,if it is not,then how to modify it,these problems all need corresponding theory and approach to guide to solve.The paper first presented the collaborative simulation optimization problem for complex product design,then gave solving strategy based on multiple criteria decision making:first determing system structure,and the problem will become multi-objective optimization problem which regarding system parameter as decision variables.Utilizing one kind of new multi-objective genetic algorithms based on ’priority’ and ’constraint violation measure’,the collaborative simulation optimization method was presented.In the end,two examples with regard to robust optimal controller design of surface-to-air missile and large flexible space structure were given,and the results showed the power of the method.更多还原