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Relations between complexity, quality and cognitive automation in mixed-model assembly

Åsa Fast-Berglund (Institutionen för produkt- och produktionsutveckling, Produktionssystem) ; Tommy Fässberg ; Filip Hellman ; Anna Davidsson ; Johan Stahre (Institutionen för produkt- och produktionsutveckling, Produktionssystem)
Journal of manufacturing systems (0278-6125). Vol. 4 (2013), 11,
[Artikel, refereegranskad vetenskaplig]

Modern assembly systems are adapting to the increased mass customization resulting in shorter cycle times, more variants and increased complexity for final assembly operators. More variants require additional support functions targeted for assembly operators to avoid assembly errors. An industrial case study was carried out in order to examine the relations between complexity, quality and cognitive automation. Complexity was quantified by the measure Operator Choice Complexity (OCC). Assembly errors were measured from historical data and cognitive automation was assessed on a task level. Results show that complexity positively correlates with assembly errors and that the usage of cognitive support is low. Over 60% of all tasks in the study were performed based on own experience. Increased usage of cognitive automation is needed in final assembly to minimize the negative effects of complexity.

Nyckelord: Assembly, Complexity, Quality, Cognitive automation



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Denna post skapades 2013-05-25. Senast ändrad 2014-09-29.
CPL Pubid: 177379

 

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