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SOS-Net for Generattion of PLC Program  

Ko, Min-Suk (아주대학교 산업공학과)
Hong, Sang-Hyun (현대기아자동차, 설비제어기술팀)
Wang, Gi-Nam (아주대학교 산업공학과)
Park, Sang-Cheul (아주대학교 산업공학과)
Publication Information
Korean Journal of Computational Design and Engineering / v.14, no.1, 2009 , pp. 60-68 More about this Journal
Abstract
Because of the reduced product life-cycle, industries are making an effort to bring down the process planning time. In the traditional approach, we have to analyze established process planning, then design the time chart based on process information and drawing the formal time chart such as SOP(sequence of operation). Thereafter, it will be converted to PLC code that is a time consuming and redundant job. Similarly, Industrial automated process uses PLC Code to control the factory; however, control information and control code(PLC code) are difficult to understand. Hence, industries prefer writing new control code instead of using the existing one. It shows the lack of information reusability in the existing process planning. As a result, to reduce this redundancy and lack of reusability, we propose SOS-Net modeling method. Unlike past stabilized process planning that is rigid to any change; our proposed SOS-Net modeling method is more adaptable to the new changes. The SOS-Net model is easy to understand and easy to convert into PLC Code accordingly. Therefore, we can easily modify the control information and reuse it for new process planning. The proposed model plays an intermediary role between process planning and PLC code generation. It can reduce the process planning and implementation time as well as cost.
Keywords
SOS-Net; PLC(Programmable Logical Control); State; SOP(Sequence of Operation); LD;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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