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并行设计作为并行工程的核心，其最显著的特点是多领域的知识集成．有效地实现知识集成需要专家之间按一定的方式进行协同．对于一个设计，通过多位专家进行评价和提出改进意见，可以保证其满足各方面的要求，从而达到缩短开发周期，提高产品质量的目的．本文提出了衡量设计方案的群体满意程度的指标和相应的算法，并进一步分析了如何利用改进建议来实现对设计的优化，使设计从局部优化进化为全局最优，保证并行设计的成功．
Parallel design as the core of concurrent engineering, its most notable feature is the multi-domain knowledge integration. Effective integration of knowledge requires coordination among experts in a certain way. For a design, through a number of experts to evaluate and make improvements, you can ensure that it meets all the requirements, so as to shorten the development cycle and improve product quality. In this paper, we put forward the index and the corresponding algorithm to measure the group satisfaction degree of the design scheme, and further analyze how to use the improvement suggestion to optimize the design and make the design evolve from the local optimization to the global optimum and ensure the success of the parallel design.