Collaborative optimization (CO), one of the multidisciplinary design optimization (MDO) approaches, is a two-level optimization method for large-scale and distributed-analysis engineering design problem. In practical application, CO exists some known weaknesses, such as slow convergence, complex numerical computation, which result in further difficulties when modeling the satisfaction degree in CO. This paper proposes the use of approximation response model in place of discipline-level optimization in order to relieve the aforementioned difficulties. In addition, a satisficing back propagation neural network based on multiple-quality and multiple-satisfaction mapping criterion is applied to the design of the satisfaction degree approximation for disciplinary objective. An example of electronic packaging problem is provided to demon-strate the feasibility of the proposed method. © Springer-Verlag Berlin Heidelberg 2007.
CITATION STYLE
Tao, Y., Huang, H. Z., & Wu, B. G. (2007). Satisficing approximation response model based on neural network in multidisciplinary collaborative optimization. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4493 LNCS, pp. 267–276). Springer Verlag. https://doi.org/10.1007/978-3-540-72395-0_35
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