基于不确定性MDO的卫星总体优化设计研究  

Research on Satellite System Design Based on Uncertainty Multidisciplinary Design Optimization

作　　者：姚雯 陈小前[1] 赵勇[1] 

机构地区：[1]国防科技大学航天与材料工程学院,长沙410073

出　　处：《宇航学报》2009年第5期1808-1815,1833,共9页Journal of Astronautics

摘　　要：为了提高卫星总体设计质量,对基于不确定性多学科设计优化(UMDO)的卫星总体设计方法进行研究。首先提出了卫星总体的UMDO流程,重点对组织实现UMDO的优化过程进行了深入讨论。然后以某遥感小卫星的总体设计为例,对其UMDO数学问题进行了表述,采用UMDO优化过程对优化问题进行了组织与求解。优化结果表明,通过UMDO方法进行设计优化,能够在提高设计方案目标性能的同时,有效提高方案的稳健性和可靠性,验证了UMDO在卫星总体设计中快速形成稳健、可靠的优化方案的可行性和有效性。To enhance satellite system design quality, the satellite system design based on Uncertainty Muhidisciplinary Design Optimization （UMDO） is studied in this paper. Firstly, the UMDO flowchart of satellite system design is proposed, and the procedure for organization and implementation of UMDO is discussed in depth. Secondly, a virtual earth observation small satellite is chosen as an example to illustrate the application of UMDO in satellite system design. The UMDO mathematical model is described, and a Game theory Based Composite SubSpace Uncertainty Optimization （GBCSSUO） method is adopted to integrate and resolve this problem. The optimization result achieves better objective performance, and meanwhile improves the robustness and reliability. The result confirms the feasibility and validity of UMDO in obtaining robust and reliable optimum system design schemes in satellite system design.

关 键 词：卫星总体设计 不确定性 不确定性多学科设计优化 

分 类 号：V474.3[航空宇航科学与技术—飞行器设计]