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中文摘要：
针对复杂产品工艺子装配体识别的问题,提出了一种基于功能结构树的工艺子装配体识别方法。首先给出了产品的功能子装配体和工艺子装配体的定义和性质,给出了判断功能子装配体间干涉关系的算法;然后通过分析功能子装配体间的干涉关系和稳定性,提出了识别工艺子装配体和生成装配工艺结构树的算法,并给出了工艺子装配体装配约束关系方程组的计算步骤,最后通过实例验证了所提出方法的正确性和可行性。该方法简化了子装配体的识别过程,为提高大规模装配体的装配效率提供了条件。
英文摘要：
A new subassembly recognition algorithm was proposed herein. At first, we built a functional structute tree （FST） according to the product design requirements; then, we applied subas- sembly recognition algorithm to identify the process subassembly based on the analysis of constrain relationships between functional subassembly; finally, an approach for finding the process subassem- bly assembly sequences were given. Simulation results demonstrate that proposed method can im- prove the computation complexity effectively by using the concise constrains condition judgment.
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