Archives > Volume 11 | Number 3 | September 2016 > pp 159–172
Advances in Production Engineering & Management
Volume 11 | Number 3 | September 2016 | pp 159–172
Production monitoring system for understanding product robustness
Boorla, S.M.; Howard, T.J.
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A B S T R A C T
In the current quality paradigm, the performance of a product is kept within specification by ensuring that its parts are within specification. Product performance is then validated after final assembly. However, this does not control how robust the product performance is, i.e. how much it will vary between the specification limits. In this paper, a model for predicting product performance is proposed, taking into account design, assembly and process parameters live from production. This empowers production to maintain final product performance, instead of part quality. The PRECI-IN case study is used to demonstrate how the monitoring system can be used to efficiently guide corrective action to improve product performance. It is claimed that the monitoring system can be used to dramatically cut the time taken to identify, plan and execute corrective action related to typical quality issues. To substantiate this claim, two further cases comparable to PRECI-IN, in terms of complexity, material and manufacturing process, were taken from different industries. The interviews with quality experts revealed that the typical time taken for corrective action for both cases was accounted to be seven days. Using the monitoring system for the PRECI-IN case, similar corrective action would have been achieved almost immediately.
A R T I C L E I N F O
Keywords • Product robustness, Performance variation, Robustness monitoring system, Performance consistency, Unit to unit robustness
Corresponding author • Boorla, S.M.
Article history • Received 27 May 2016, Revised 5 August 2016, Accepted 17 August 2016
Published on-line • 9 September 2016
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