The Design Of Plan Flow Management Information System Based On ERP And The Study On BOM Technique

"Information bring along industrialisation" -- With the rapid development of the economic globalization and information technology, Enterprise Resource Planning (ERP) has embodied the most advanced enterprise management theory today and provided better methods for enterprise information integration. ERP integrates the materials flow, capital flow and information flow of a whole enterprise, and then can balance all kinds of recourses in the enterprise such as people, money, materials equipments, production technology, information, time and so on, to schedule fit plans and make further use of these recourse in existence to maximize the global utility of a enterprise. With the rapid development of the economic globalization and information technology,the questions that how to schedule an effective plan, how to evaluate the feasibility of some plan and how to judge whether the plan has been executed rightly, become the crux to obstruct enterprise information。This work is based on the sub-project of Chongqing Manufacturing Major Project: First Phase CAD/CIMS of Chongqing Qingshan Industrial Ltd. Firstly, this paper brings forward a whole layout of Chongqinh Qingshan CAD/CIMS for enterprise information systems. Then, based on the research on ERP management strategy and plan flow methods and linking with enterprise practice, the systems structure of ERP-based information flow management information systems is also proposed, which includes function structure, software architecture and system network structure. Through analyzing the software engineering, database technique and applied software development technique, the method of model-based plan flow management information systems is chosen to exploit the systems software. This paper analyzes and designs the process model, data logic model, data concept model and user interface of every sub-system of plan flow management information systems after the demand analysis of enterprise plan flow systems. The historical development of BOM technique is reviewed from theory and practice, and the analysis, design and optimization strategy of relational database based BOM are presented. In the flowing section, the paper analyzes traditional BOM search algorithms and proposes some optimization algorithms, and then, through applying DAG to BOM technique, the BOM cyclic nesting error check algorithms and low-lever code algorithms are improved as well. At last, the production BOM multi-view mapping technique based single data source is also discussed.The software thoughts and implement of these algorithms in the paper is introduced in detail, and the results show that these algorithms that have rapider response speed and dominate lesser systems resource are feasible and effective.