Modular design method for the control software development of the cell controller in automated manufacturing systems

Proceedings. 2005 IEEE Networking, Sensing and Control, 2005. Pub Date : 2005-03-19 DOI:10.1109/ICNSC.2005.1461269

Kai-Ying Chen

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Abstract

Automated manufacturing systems are quite complex and varied in nature. Therefore, a practical approach to design software for managing manufacturing systems is to build generic solutions to the greatest possible extent, and then to customize them to suit the needs of each firm. Flexible manufacturing cell (FMC) plays more important role when production market becoming more competitive and manufacturing environment is often subject to change. Modular method for developing control software of FMC thus is necessary. Petri Net, a graphical modeling tool, allows the construction of models amenable both for qualitative and quantitative analysis. Over the last two decades, there have been many applications of using Petri Net for the modeling of manufacturing systems. In this paper, a modular approach by combining the PLC in equipment level and Petri Net in cell level for the development of FMC controller in a hierarchical manufacturing environment is addressed. Benefits of PLC and Petri Net thus can be fully utilized to develop an FMC controller. This generic FMC controller has been successfully implemented in several automated factories in Taiwan.

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自动化制造系统中单元控制器控制软件开发的模块化设计方法

自动化制造系统在本质上是非常复杂和多样的。因此，设计用于管理制造系统的软件的实用方法是尽可能地构建通用解决方案，然后对它们进行定制以适应每个公司的需求。随着生产市场竞争的日益激烈和生产环境的不断变化，柔性制造单元(FMC)发挥着越来越重要的作用。因此，采用模块化方法开发FMC控制软件是必要的。Petri网是一种图形化的建模工具，它允许构建适合定性和定量分析的模型。在过去的二十年中，使用Petri网对制造系统建模已经有了许多应用。本文提出了在分层制造环境下，采用设备级PLC和单元级Petri网相结合的模块化方法开发FMC控制器。因此，可以充分利用PLC和Petri网的优点来开发FMC控制器。该通用FMC控制器已在台湾多家自动化工厂成功实施。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings. 2005 IEEE Networking, Sensing and Control, 2005.

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