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The traditional fixed parts list ([[Bill of Materials]]) becomes unmanageable when the number of items and therefore structures increases. Therefore more advanced modeling techniques are necessary to cope with these circumstances. Also changes or an alternative to a [[Product (business)|product]] is an aspect why product structure modeling is needed. Especially with configurable products modeling of the structure is efficient, because variants, for example, grow exponential. Therefore, changing a small part of a [[Product (business)|product]] can have multiple impacts on other product structure models.
Concepts within this entry are all caps locked in order to indicate these concepts.
==Product structure concepts==
Several concepts are related to the subject of product structure modeling. All these concepts are discussed in this section. These concepts are divided into two main aspects. First the product breakdown is discussed which involves all the physical aspects of a [[Product (business)|product]]. Second, different views at the product structure are indicated.
===Product breakdown===
[[Image:Product_structure_modeling_meta-data_model1.gif|right|thumb|300px|Figure 1: product structure concepts]]Figure 1 illustrates the concepts that are important to the structure of a [[Product (business)|product]]. This is a [[Meta-
The core of the product structure is illustrated by the product components (ITEMS) and their RELATIONSHIPS. Thus, this involves the linking between ITEMS related to the [[Product (business)|product]].
The ASSEMBLY can exist of SUBASSEMBLIES and PARTS, whereas SUBASSEMBLIES can also consist of other SUBASSEMBLIES or PARTS. Thus this is typically hierarchically ordered. These concepts are generalized into the concept of ITEM. This classification is overlapping, due to the fact that a SUBASSEMBLY could be a PART in another ASSEMBLY configuration.
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| Create AD specific views || De views on the MASTER STRUCTURE are created for each Activity Domain (AD).
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==Process-data model==
When combining the activities with the concepts of the product structure model it will result in a [[Meta-
[[Image:Product structure modeling Process-Data diagram.gif|centre|thumb|500px|Figure 3: Process-Data diagram product structure modeling]]
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===Define product components===
First, all components are identified and indicated. In the area of car manufacturing, the product components are as follows. A car (ASSEMBLY) consists of several SUBASSEMBLIES such as the body and the engine of the car. The engine for example is assembled in several parts such as screws and small pipes.
===Define product assortment===
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===Documenting===
When the MASTER STRUCTURE of the car is created one must link this structure with documents which contains the product definition of this specific car. Primarily, this consists of an extensive description of the car which is linked to the MASTER STRUCTURE of this product.
===Define product structure views===
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From a purchasing view more information is needed about the mixing of the paint instead of the general color, which is only needed for the customer. Purchasing department also needs more information about the suppliers of the used components within the manufacturing of the car, so they can easily overview where which component is used and from which supplier is comes from.
[[Image:Product structure modeling example product structure views.gif|centre|Figure 7: product structure views]]
==See also==
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*[[Product breakdown structure]]
==Bibliography==▼
Hvam, L. (1999). A procedure for building product models.
Peltonen, H. (2000), Concepts and an Implementation for Product Data Management.
▲==Bibliography==
▲Hvam, L. (1999). A procedure for building product models. <i>Robotics and Computer-Integrated Manufacturing, 15</i>, pp. 77-87
Rampersad, H.K. (1995). Concentric Design of Robotic Assembly Systems.
▲Peltonen, H. (2000), Concepts and an Implementation for Product Data Management. <i>Acta Polytechnica Scandinavica, Mathematics and Computing Series No. 105</i>, pp. 188
Svensson, D., & Malmqvist, J. (2002). Strategies for Product Structure Management at Manufacturing Firms.
▲Rampersad, H.K. (1995). Concentric Design of Robotic Assembly Systems. <i>Journal of Manufacturing Systems, 14</i>(4), pp. 230-243
{{Uncategorized|October 2006}}
▲Svensson, D., & Malmqvist, J. (2002). Strategies for Product Structure Management at Manufacturing Firms. <i>Journal of Computing and Information Science in Engineering, 2</i>(1), 50-58.
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