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首页> 外文期刊>Computers & Industrial Engineering >Robot move sequence determining and multiple part-type scheduling in hybrid flexible flow shop robotic cells
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Robot move sequence determining and multiple part-type scheduling in hybrid flexible flow shop robotic cells

机译：混合柔性流水车间机器人单元中的机器人移动序列确定和多部件类型调度

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摘要

We focus on the scheduling problem arising in hybrid flexible flow shops which repeatedly produce a set of multiple part-types and where the transportation of the parts between the machines is performed by a robot. The cycle time of the cell is affected by the robot move sequence, part/machine assignments and part sequences. In a hybrid flexible flow shop in which there exist one machine in the first and two machines in the second stage, the problem of determining the best cycle time is modeled as a traveling salesman problem. In order to provide a solution methodology for realistic problem instances, a Simulated Annealing based heuristic is constructed and the problem is solved using two different neighborhood structures. The results are also compared against an effective proposed lower bound value.
机译：我们关注于混合柔性流水车间中出现的调度问题，该问题会反复产生一组多个零件类型，并且机器之间的零件运输由机器人来完成。单元的循环时间受机器人移动顺序，零件/机器分配和零件顺序影响。在第一阶段有一台机器，第二阶段有两台机器的混合柔性流水车间中，确定最佳循环时间的问题被模型化为旅行商问题。为了提供针对实际问题实例的解决方案方法，构建了基于模拟退火的启发式方法，并使用两个不同的邻域结构来解决问题。还将结果与有效的建议下限值进行比较。

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