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基于遺傳算法的工藝路線生成及優(yōu)
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and Optimization of Process Routing Based on Genetic Algorithm
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    摘要:

    針對計算機輔助工藝規(guī)劃中的工藝路線的決策問題,，通過實例介紹了一種基于遺傳算法的工藝路線優(yōu)化算法,。首先將被加工零件劃分為若干特征元，采用反向設(shè)計法生成每個特征元的加工工序序列,；根據(jù)特征元之間的約束關(guān)系,，確定特征元的優(yōu)先加工關(guān)系并建立優(yōu)化目標函數(shù),；設(shè)計了校驗程序以保證染色體的有效性；在目標函數(shù)的基礎(chǔ)上建立了適應(yīng)度函數(shù)；設(shè)計了染色體的復(fù)制,、交換和突變算法,，然后利用遺傳算法對工藝路線進行優(yōu)化。最后通過實例驗證了該算法的可行性和有效性,。

    Abstract:

    Aiming at the decision-making problem of process route in a CAPP system, an algorithm based on the genetic algorithm for optimization of process route was illustrated by an example. A machined part was divided into some feature cells machining chains of that were generated by reverse design. Then the preference sequence of feature cells was determined and the objective function was built. A checking program was designed to ensure the validity of chromosomes. The fitness function was built based on the objective function. The operator algorithms of replication, crossover and mutation were designed and the process route were optimized using the genetic algorithm. At last, the feasibility and effectiveness were verified by an example.

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劉偉,王太勇.基于遺傳算法的工藝路線生成及優(yōu)[J].農(nóng)業(yè)機械學(xué)報,2009,40(8):203-208. and Optimization of Process Routing Based on Genetic Algorithm[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(8):203-208.

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