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28th Annual Simulation Symposium
Direct database-simulation using PROGREss
Santa Barbara, California
April 25-April 28
ISBN: 0-8186-7091-6
Kwang-Hang Koh, Gintic Inst. of Manuf. Technol., Nanyang Technol. Univ., Singapore
R. de Souza, Gintic Inst. of Manuf. Technol., Nanyang Technol. Univ., Singapore
Nai-Choon Ho, Gintic Inst. of Manuf. Technol., Nanyang Technol. Univ., Singapore
The paper introduces a new concept called 'direct database-simulation' which uses relational database data as the simulation model for simulation-based scheduling in a job-shop environment. The application is in a large machine shop of 200 machining centres producing precision machine tools. The direct database-simulation scheduler was developed on PROGREss (an application development environment centred on a relational database management system) to address the problem of finite capacity scheduling of the machine shop. It is shown that the concept is feasible and performance measures such as tardiness and machine utilisation are improved by an order of 20%.
Index Terms:
relational databases; digital simulation; production control; machine tools; machining; graphical user interfaces; application generators; direct database-simulation; relational database data; simulation-based scheduling; job-shop environment; large machine shop; machining centres; precision machine tools; PROGREss; application development environment; finite capacity scheduling; performance measures; tardiness; machine utilisation
Citation:
Kwang-Hang Koh, R. de Souza, Nai-Choon Ho, "Direct database-simulation using PROGREss," ss, pp.196, 28th Annual Simulation Symposium, 1995
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