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空间科学任务协同设计过程优化

DOI: 10.11728/cjss2015.04.511, PP. 511-518

Keywords: 空间科学任务,协同设计,过程优化,设计结构矩阵,遗传算法

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Abstract:

为了对概念设计阶段空间科学任务协同设计过程进行合理规划,减少设计反馈,降低系统耦合度,提出了设计结构矩阵(DSM)过程建模和遗传算法(GA)过程优化算法.该方法采用DSM对空间科学任务设计活动序列进行建模,通过DSM描述设计活动间的信息依赖关系,DSM上三角之和代表该设计活动序列设计反馈次数;将DSM对应的设计活动序列视为染色体,采用GA进行序列优化,最小化设计反馈次数.通过过程优化算法获取最佳设计活动序列,优化设计过程,降低系统耦合度.空间科学任务实例分析结果表明,该方法能够有效应用于空间科学任务协同设计的过程建模和过程优化,指导设计过程的制定.

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