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The Mass Production Weapon System Environmental Stress-Screening Test Design Method based on Cost-effective-Optimization  

Kim, Jangeun (Technology Forecast and Assessment Team, Defense Agency for Technology and Quality)
Publication Information
Journal of Applied Reliability / v.18, no.3, 2018 , pp. 229-239 More about this Journal
Abstract
Purpose: There is a difficulty in Environmental Stress Screening (ESS) test design for weapon system's electrical/electronic components/products in small and medium-sized enterprises. To overcome this difficulty, I propose an easy ESS test design approach algorithm that is optimized with only one environment tolerance design information parameter (${\Delta}T$). Methods: To propose the mass production weapon system ESS test design for cost-effective optimization, I define an optimum cost-effective mathematical model ESS test algorithm model based on modified MIL-HDBK-344, MIL-HDBK-2164 and DTIC Technical Report 2477. Results: I clearly confirmed and obtained the quantitative data of ESS effectiveness and cost optimization along our ESS test design algorithm through the practical case. I will expect that proposed ESS test method is used for ESS process improvement activity and cost cutting of mass production weapon system manufacturing cost in small and medium-sized enterprises. Conclusion: In order to compare the effectiveness of the proposed algorithm, I compared the effectiveness of the existing ESS test and the proposed algorithm ESS test based on the existing weapon system circuit card assembly for signal processing. As a result of the comparison, it was confirmed that the test time was reduced from 573.0 minutes to 517.2minutes (9.74% less than existing test time).
Keywords
Mass Production Weapon System; Environmental Stress Screening(ESS); Cost-Effective; Optimization; MIL-HDBK-344;
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