An interval programming model for continuous improvement in micro-manufacturing

Continuous quality improvement in micro-manufacturing processes relies on optimization strategies that relate an output performance to a set of machining parameters. However, when determining the optimal machining parameters in a micro-manufacturing process, the economics of continuous quality impro...

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Bibliographic Details
Published in:Engineering optimization 2018-03, Vol.50 (3), p.400-414
Main Authors: Ouyang, Linhan, Ma, Yizhong, Wang, Jianjun, Tu, Yiliu, Byun, Jai-Hyun
Format: Article
Language:English
Subjects:
Continuous improvement
Continuous quality improvement
Drilling
dual response surface
economic design
Economic models
interval analysis
Laser beams
Machining
Manufacturing
Mathematical models
Neodymium lasers
Process parameters
Programming
Quality
Strategy
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Summary:Continuous quality improvement in micro-manufacturing processes relies on optimization strategies that relate an output performance to a set of machining parameters. However, when determining the optimal machining parameters in a micro-manufacturing process, the economics of continuous quality improvement and decision makers' preference information are typically neglected. This article proposes an economic continuous improvement strategy based on an interval programming model. The proposed strategy differs from previous studies in two ways. First, an interval programming model is proposed to measure the quality level, where decision makers' preference information is considered in order to determine the weight of location and dispersion effects. Second, the proposed strategy is a more flexible approach since it considers the trade-off between the quality level and the associated costs, and leaves engineers a larger decision space through adjusting the quality level. The proposed strategy is compared with its conventional counterparts using an Nd:YLF laser beam micro-drilling process.
ISSN:0305-215X
1029-0273
DOI:10.1080/0305215X.2017.1317765