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Petri Net Control Method for Pipe-line Systems and Its Implementation via CIF3

机译：用于管线系统的Petri净控制方法及其通过CIF3实现

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摘要

As for a pipe-line system subjected to complex operations, an approach is proposed to synthesize the controller via Petri nets (PNs) such that the plant is run as concurrently as possible and the loads of equipments are balanced. A P-timed and labeled PN is designed to model the whole process of a pipe-line system, where tasks, including transporting material from one tank to another and cleaning tank, are represented by operational places, and level sensors amounted in tanks are represented by labels assigned to transitions. Further, monitor places are designed to resolve the conflict relations among tasks due to the shared valves and pipes. An method is presented to translate an PN controller into a CIF3 (Compositional Interchange Format) model, which can be converted into a PLC program in the CIF3 tool. A beer filtration plant is taken as an example to illustrate the approach, and its simulation experiments are carried out to verify the theoretic results.
机译：对于经受复杂操作的管线系统，提出一种方法来通过Petri网（PNS）将控制器合成，使得植物尽可能同时运行，并且设备的负载是平衡的。 P-Timed和标记的PN设计为模拟管道线系统的整个过程，其中任务包括从一个罐到另一个罐的输送材料，由操作场所表示，并且表示罐中的水平传感器通过分配给转换的标签。此外，监控场所旨在解决由于共用阀门和管道引起的任务之间的冲突关系。提出了一种方法以将PN控制器转换为CIF 3（组成交换格式）模型，其可以在CIF 3工具中转换成PLC程序。采用啤酒过滤厂作为示例以说明该方法，并进行其仿真实验以验证理论结果。

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