CUI Chang-cai, CHE Ren-sheng, YE Dong, HUANG Qing-cheng. Sphericity error evaluation using the genetic algorithm[J]. Editorial Office of Optics and Precision Engineering, 2002,(4): 333-339
CUI Chang-cai, CHE Ren-sheng, YE Dong, HUANG Qing-cheng. Sphericity error evaluation using the genetic algorithm[J]. Editorial Office of Optics and Precision Engineering, 2002,(4): 333-339DOI:
Sphericity error evaluation using the genetic algorithm
a novel method based on the genetic algorithm was devised. In the paper
the problem about sphericity error is reviewed firstly. Secondly
the mathematical model of the sphericity error under the condition of minimum zone is derived from the mathematical definition of the circularity
and the fitness function of the algorithm is given as well. Thirdly
the critical such as selecting the initial value
initialing the population
and deciding genetic operators
etc. in the process of the algorithm implementation are described in detail. Finally
the method is verified by the examples in the literatures 1 and 2. The theoretical analysis and computation results indicate that the designed method not only conforms to the minimum zone condition but also assures a global solution
and is easily implemented. It is accurate and efficient in solving the problem of dimensional and tolerance evaluation.
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