Research & Realization Of Production Management System In A Semiconductor Manufacturing

In this thesis, the application research on CD-ERP production management system and related technologies has been accomplished, under the instruction of integrated, efficient and advanced administration requires by chang-electron technology Co. Ltd. The research will expand and enlarge the application fields of the integrated production management system.On the basis of the structure of the ERP system in the semiconductor manufacturing industry, the thesis discusses demand analysis of the subsystem of the production management, including the description and analysis about the business flow, the function structure and the data flow. It also discusses Conceptual design, logical design and Physical design of database. According to the characteristic of the production management system, the technique of optimization query and the concurrency control of database are also discussed in this thesis, which improves systematic performance。On the basis of finishing the analysis, design and realization of the production management, the thesis primarily dissertates how to choose parameters in the dynatron-test. According to the problem of existing various dynatron-test parameters and uncertainty of choosing by experience, the thesis discusses data preprocessing, attribution discretization and attribution reduction based on the Rough Set Theory. By using discemibility matrix and discemibility function, it gets the core of attribution to simplify the procedure of testing and improve production efficiency.The production management system, studied in this thesis, has been put into practice in chang-electron technology Co. Ltd, and improves the management efficiency...