Customer Order Scheduling in a General Job Shop Environment*
研究了通用作业车间中基于订单的调度规则，发现四个简单规则优于其他，且订单规则比基于作业的规则表现更好，对管理者使用多标准决策有参考价值。
ABSTRACT The primary objective of this study is to examine the performance of order‐based dispatching rules in a general job shop, where the environmental factors are shop utilization and due date tightness. An order is defined as a collection of jobs that are shipped as a group—an order—to the customer, only on completion of the last job of the order. We specifically compare dispatching rules from past job‐based studies to some rules adapted to encompass order characteristics. Standard flow time and tardiness measures are used, but in addition, we introduce measures that combine average performance with variation in an attempt to capture the performance of a majority of the orders processed in the shop. Of the 16 dispatching rules tested, our results show that four of the simple rules dominate the others. We also found that order‐based rules perform better than their job‐based counterparts. The study makes use of multivariate statistical analysis, in addition to the usual univariate tests, which can provide additional insight to managers using multiple criteria in their decision process.