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首页> 外文期刊>International Journal of Computer Integrated Manufacturing >A random search and backtracking procedure for transfer line balancing
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A random search and backtracking procedure for transfer line balancing

机译：传输线平衡的随机搜索和回溯过程

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摘要

The optimal logical layout design for a type of machining transfer lines is addressed. Such transfer lines are made of many machine-tools (workstations) located in sequence. On each workstation there are several spindle-heads. A spindle-head does not execute a single operation but a block of machining operations; all operations of a block are executed simultaneously (in parallel). Spindle-heads of the same workstation are activated sequentially in a fixed order. The transfer line design problem considered in the paper consists of finding the best partition in blocks and workstations of the set of all operations to be executed on the line. The objective is to minimize the number of spindle-heads and workstations (i.e. transfer line investment cost). An optimal decision must satisfy a desired productivity rate (cycle time) as well as precedence and compatibility constraints for machining operations. A heuristic algorithm is proposed: it is based on the COMSOAL technique and a backtracking approach. Results from computer testing are reported.
机译：解决了一种类型的加工传输线的最佳逻辑布局设计。这样的传输线由依次设置的许多机床（工作站）制成。每个工作站上都​​有几个主轴头。主轴头不执行单个操作，而是执行一组加工操作。块的所有操作都同时（并行）执行。同一工作站的主轴头按固定顺序依次激活。本文考虑的传输线设计问题包括在要在该线上执行的所有操作的集合中的块和工作站中找到最佳分区。目的是最大程度地减少主轴箱和工作站的数量（即传输线投资成本）。最佳决策必须满足所需的生产率（周期时间）以及机加工操作的优先级和兼容性约束。提出了一种启发式算法：该算法基于COMSOAL技术和回溯方法。报告了计算机测试的结果。

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