A Spacecraft Equipment Layout Optimization Method for Diverse and Competitive Design

The spacecraft equipment layout optimization design (SELOD) problems with complicated performance constraints and diversity are studied in this paper. previous literature uses the gradient-based algorithm to obtain optimized non-overlap schemes from randomly initialized cases effectively. However, these local optimal solutions too difficult jump out of their current relative geometry relationships, significantly limiting further improvement indicators. Therefore, considering geometric is put forward alleviate limitation. First, similarity measures, including modified cosine gaussian kernel function similarity, introduced into process. Then produces a set feasible candidates most remarkable difference distribution representative sampled. Finally, used as initial optimize physical indicators spacecraft, diversified generated for engineering practice. validity effectiveness proposed methodology demonstrated by two SELOD applications.