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中文摘要：
根据车身厂冲压车间和生产库房的实际情况，研究了冲压件成批生产的Job—shop车间生产计划和凋度的集成优化问题，给出该问题的非线性混合整数规划模型，并采用混合遗传算法进行求解。遗传算法中，给出一种新的启发式规则来改善初始解集，通过与递阶分解方法进行比较，得出该算法对求解该类问题有着很好的效果。
英文摘要：
According to the actual environment of the press shop and production warehouse in a body plant, this paper addresses an integrated job - shop production planning and scheduling problem of the press part with setup time and batches. A nonlinear mixed integer progranuning model is presented and .solved by using a hybrid genetic algorithm. In the hybrid algorithm, the heuristic roles are used to improve the initial solutions. A comparison is then made between the hybrid algorithm and a hierarchical algorithm,which shows that the former can solve the problem effectively.
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