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Seamless design methodology of manufacturing cell-control software based on activity-control-condition and object diagram

机译:基于活动控制条件和对象图的生产单元控制软件的无缝设计方法

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A manufacturing cell must be changed according to the type, variations and intended rate of production for the product. In order to shorten the period of time required for the cell-control software development, the system designer must have the descriptions of the configuration of the cell and the sequence of activities required in the cell, and a comprehensive design methodology based on these descriptions. First, we propose a seamless design methodology that is comprehensive and has a clear design concept. The methodology is based on the diagrammatic specification and the conversion processes of it. The diagrammatic specification represents both the configuration of the cell and the sequence of activities required in the cell; what kind of devices exist in the cell and how they are connected with each other, and how they should work in order to complete the task. The methodology specifies the step-by-step conversion processes from the initial diagrammatic specification to the cell-control software code. The conversion is divided into three processes: refinement of the device activities, translation of the device activities into the cell-controller activities, and transformation from the cell-controller activities to the cell-control software code. Secondly, as the diagrammatic specification, we propose an object diagram and an Activity - Control - Condition (ACC) diagram. The object diagram represents a set of objects and the links among them. The ACC diagram represents the sequence of activities required in the cell as three constructs: the state transitions of objects involved in each activity, the control logic among activities and the conditions for the control. Thirdly, we show the diagram editor how to help the system designer carry out the processes in the design methodology. The system designer can use the following functions of the diagram editor: modifying, saving and loading the object diagram and ACC diagram, and generating the cell-control software code from the translated ACC diagram. Finally, we show the implementation method of the cell-control software, and we verify the functionality of the software by comparing it with the sequence of activities in the ACC diagram.
机译:必须根据产品的类型,变化和预期的生产率来更改生产单元。为了缩短单元控制软件开发所需的时间,系统设计人员必须具有单元配置的描述以及单元中所需活动的顺序,并且必须具有基于这些描述的综合设计方法。首先,我们提出了一种无缝的设计方法,该方法是全面的并且具有清晰的设计概念。该方法基于图解规范及其转换过程。图解说明既表示单元的配置,也表示单元中所需活动的顺序;单元中存在哪些设备以及它们如何相互连接,以及它们如何工作才能完成任务。该方法指定了从初始图解说明到单元控制软件代码的逐步转换过程。转换分为三个过程:设备活动的优化,设备活动到单元控制器活动的转换以及从单元控制器活动到单元控制软件代码的转换。其次,作为图解说明,我们提出了一个对象图和一个活动-控制-条件(ACC)图。对象图表示一组对象及其之间的链接。 ACC图将单元中所需的活动序列表示为三种结构:每个活动中涉及的对象的状态转换,活动之间的控制逻辑以及控制条件。第三,我们向图编辑器展示如何帮助系统设计人员执行设计方法论中的过程。系统设计人员可以使用图编辑器的以下功能:修改,保存和加载对象图和ACC图,以及从转换后的ACC图生成单元控制软件代码。最后,我们展示了单元控制软件的实现方法,并通过与ACC图中的活动顺序进行比较来验证软件的功能。

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