Dynamic Scheduling Algorithm of Service Windows in a Distributed Measurement System
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摘要: 在网络制造环境下, 动态时间性能是测量系统的重要指标. 针对基于 CORBA (Common object request broker architecture) 和尺寸测量接口标准 (Dimensional measurement interface standard, DMIS) 的分布式测量系统 (Distributed measurement system, DMS), 根据多用户非抢占优先排队网络静态性能模型, 提出基于无穷小摄动分析的样本轨道划分方法, 建立测量系统服务窗口的动态调度算法, 实现测量系统的时间性能调优. 通过在一个制造工厂中进行的应用实验, 证明了此方法的有效性.Abstract: Dynamic time performance is one of the key factors for distributed measurement system (DMS) in networked manufacturing environments. Based on the no-preemptive priority queuing network model and infinitesimal perturbation analysis theory, the partition schemes of sample paths are proposed. Then a new dynamic scheduling algorithm is presented to optimize the dynamic time performance of DMS based on CORBA and dimensional measurement interface standard (DMIS). Industrial application experiments in a factory demonstrate the effectiveness of the new algorithm.
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