ペトリネットを利用したシミュレータの構築 : 第2報:作業情報の詳細化に柔軟に対応する工場シミュレータの構築

概要

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The authors have been studying on a factory simulator that bases on petri nets and published the paper on the autumn in 1997. This paper is the 2nd report of the authors' research and presents the enhanced concept of the previous simulator. In the authors previous paper, the job shop are represented by petri nets as a core model of the shipyard simulator. The previous factory simulator can work by inputting job information that are separately generated with the production plan support system. However, we can see that there are many jobs according to the products in a job shop and the many kinds of planning schedules in the actual production activity, such as the general schedules planning, a wide-range schedules planning, a mid-range schedules, the detailed schedules planning for workers and etc. It is a characteristic that the content of work is various and the kind of the detailed degree of jobs is various also, and we can recognize the necessity for executing the factory simulation. In this paper, two petri net models for simulator are defined separately, one is for the jobs in the job shop and another is for the factory. Furthermore, the some ideas are introduced in order to use the above-mentioned two petri net models.
社団法人日本船舶海洋工学会の論文