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工程设计学报
Chinese Journal of Engineering Design  2000, Vol. 7 Issue (4): 28-31    DOI:
    
Computer Aided Optimal Allocation of Geometric Tolerance Values
 HU  Jie, WU  Zhao-Tong
Mechanical Engineering Department of Zhejiang University, Hangzhou 310027, China
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Abstract  The optimal allocat ion of geometric tolerance values is represented as the combinatorial optimization problem, and Genetic Algorithm ( GA) is applied to solve the problem. The generation of geometric error accumulation function is analyzed, and the establishment of machining cost??geometric tolerance model is studied. According to the propert ies of this opt imization problem, coding , fitness and genetic operators are formulated. A gear pump example is illustrated to show the optimal allocation scheme to be effective.

Key words： geometric tolerance      tolerance values      genetic algorithm     
Published: 15 December 2000
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HU Jie
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Cite this article:

HU Jie, WU Zhao-Tong. Computer Aided Optimal Allocation of Geometric Tolerance Values. Chinese Journal of Engineering Design, 2000, 7(4): 28-31.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2000/V7/I4/28


计算机辅助形位公差大小的最优分配

定义形位公差大小的最优分配为组合优化问题，并选择遗传算法实现优化。分析了形位误差累积函数的确定；研究了加工成本－－形位公差模型的建立；根据形位公差优化的特点制定了遗传算法中的编码、适应度和遗传操作。一个齿轮泵实例说明了此优化分配方法的有效性。

关键词： 形位公差,  公差大小,  遗传算法 
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