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A line management policy for a multi-product assembly line

机译:多产品装配线的生产线管理策略

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摘要

A production schedule is derived from product demand, finished goods inventory, line/tooling capacity, and material supply (i.e. parts' and components' availability), by solution of a linear programming model to minimize the sum of inventory/backlog, subject to a set of resource constraints, over a predetermined planning horizon. For a given production schedule, a real-time dispatcher is invoked to select the right product type for assembly by looking at the overall line performance behavior. Information about line performance is collected by a line monitor. A product type has a high (low) dispatching priority if its actual output rate is less (greater) than its scheduled production rate. Selection of a product type is based on its priority and its level of work-in-process. Also implemented is a flow control policy which consists of job assignment, in-process storage sizing, detection of yield problems, and a parts feeding scheme.
机译:通过使用线性规划模型来最小化库存/积压的总和,可以根据产品需求,成品库存,生产线/工具的生产能力和材料供应(即零件和组件的可用性)得出生产进度表,在预定的计划范围内的一组资源约束。对于给定的生产计划,通过查看整体生产线性能行为,调用实时调度程序以选择合适的产品类型进行组装。有关生产线性能的信息是由生产线监控器收集的。如果产品类型的实际产出率小于(大于)其计划的生产率,则该产品类型具有较高(较低)的调度优先级。产品类型的选择基于其优先级和在制品水平。还实施了一种流控制策略,该流控制策略包括作业分配,过程中存储的大小确定,良率问题的检测以及零件进给方案。

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