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Automated analysis of interdependencies between product platforms and assembly operations

Amir Hossein Ebrahimi (Institutionen för signaler och system, Automation) ; Knut Åkesson (Institutionen för signaler och system, Automation) ; Pierre E. C. Johansson (Institutionen för signaler och system, Automation) ; Thomas Lezama
Procedia CIRP - 6th Cirp Conference on Assembly Technologies and Systems (2212-8271). Vol. 44 (2016), p. 67-72.
[Konferensbidrag, refereegranskat]

Configurable products, like vehicles, face the challenge of handling all possible variants which are needed to answer the various customer needs. For these configurable products the support of all variants need to be addressed both by the design phase and the production phase. The product design phase and the production phase are linked together via operations. These operations model how each part of the bill-of-material is assembled to the final product. Operations also have inner relations among themselves, namely the precedence constraints, stating the order in which different parts can be assembled. Considering only the precedence constraints a product can generally be assembled in various different ways. It is through line balancing that the operations are assigned to different stations and/or assembly workers. The bill-of-material for each configurable product might be different with each variant, which will result in different set of operations. However, due to the precedence rules among the operations not all sets of operations might be possible to complete. The contribution in this paper is a automated method that can determine if all possible product variants can be successfully assembled while still satisfying precedence constraints between operations. The paper also includes an industrial example which further exemplifies the needed input for the method and the possible method outputs as a result of introducing a new variant to the product platform.

Nyckelord: Variability, Product platform, engineering Bill of Material, manufacturing Bill of Material, Assembly operation sequence



Denna post skapades 2016-07-04. Senast ändrad 2016-07-04.
CPL Pubid: 238885

 

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Institutioner (Chalmers)

Institutionen för signaler och system, Automation

Ämnesområden

Robotteknik och automation

Chalmers infrastruktur