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1、Automatic generation of a bill of materials based on attribute patterns with variant specifications in a customer-oriented environment Original Research ArticleJournal of Materials Processing Technology, Volume 199, Iss

2、ues 1-3, 1 April 2008, Pages 431-436J.C. Hernández Matías, H. Pérez García, J. Pérez García, A. Vizán IdoipeClose preview | Related articles | Related reference work articles A

3、bstract | Figures/Tables | References AbstractThe configuration of product structures through a bill of materials (BOM) is the most important phase in an ERP implementation. A BOM describes the component structure of a p

4、roduct, usually as a hierarchical structure implemented within a relational database. These descriptions include the relationship between the end product, sub-assemblies and materials. The conventional approach for imple

5、menting these structures in an Enterprise Resource Planning (ERP) or Product Data Management (PDM) system is to design a single BOM for each product model. However, this becomes impossible in a customer-oriented producti

6、on, where the generic product is defined through a set of attributes, which may have alternative values. Since the number of variants may run into high numbers, it is very expensive to design and maintain the BOM structu

7、re for each variant. In this paper, we present a specific method for the automatic generation of a bill of materials based on attribute patterns with variant specifications in a customer-oriented environment. As a result

8、 of applying the method, we are able to create automatically the right codification and the full tree structure. The method may be implemented in any ERP system using relational databases. A complex industrial applicatio

9、n is presented to validate the proposed method.Article Outline1. Introduction2. Background3. Method for BOM generationPurchase$ 37.95industry will become a weakly regulated oligopoly with a veneer of competition.Article

10、Outline1. Introduction2. What is the British Model?3. Is the industry corporate structure competitive? 3.1. Generation 3.1.1. The initial structure3.1.2. Developments since 19903.2. Retail supply3.3. Distribution3.4. Tra

11、nsmission3.5. Assessment of the structure4. Is the wholesale electricity market an efficient one? 4.1. The power pool 4.1.1. Protection for coal4.1.2. Protection for nuclear4.1.3. The REC's power plants4.1.4. Assessm

12、ent of the power pool4.2. NETA 4.2.1. The principles of NETA4.2.2. NETA in practice4.2.3. Impact of NETA4.2.4. Security of supply4.2.5. Assessment of NETA5. Is retail electricity competition resulting in an efficient all