On Approximate Queueing Models of Dynamic Job Shops
针对具有调度区和机加工车间的动态作业车间，开发了纯动态和伪动态两种近似排队模型，并通过示例展示了开放排队网络模型和受控到达单阶段排队模型的准确性。
In this paper we consider a class of job shops with a dispatch area and a machine shop, where operational controls are exercised at the dispatch area as well as at the machine shop. For such dynamic job shops with these two levels of control, there are three categories of models. They are (1) pseudo-static, (2) pure dynamic, and (3) pseudo-dynamic. In this paper approximate queueing models are developed for pure dynamic and pseudo-dynamic job shops; open queueing network models and controlled arrival single stage queueing models, respectively. The accuracy of the open queueing network models and their use are illustrated. An example indicative of the possible accuracy of the controlled arrival single stage queueing models is also given.