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Development of Accelerated Life Test Method for Constant Electrical Potential Electrolysis Gas Sensor  

Yang, Il Young (Korea Testing Laboratory)
Kang, Jun Gu (Korea Testing Laboratory)
Yu, Sang Woo (Korea Testing Laboratory)
Oh, Geun Tae (The University of Suwon)
Na, Yoon Gyoon (The University of Suwon)
Publication Information
Journal of Applied Reliability / v.16, no.3, 2016 , pp. 180-191 More about this Journal
Abstract
Purpose: The purpose of this study was to develop the accelerated life test method for Constant Electrical Potential Electrolysis gas sensor (CEPE gas sensor). Methods: The parts and modules of CEPE gas sensor were analyzed by using Reliability Block Diagram (RBD). Failure Mode and Effect Analysis (FMEA) and Quality Function Deployment (QFD) methods were performed for each part to determine the most affecting stress factor in its life cycle. The long term testing was conducted at three different dry heat levels and the acceleration factor was developed by using Arrhenius relationship. Conclusion: The acceleration factor for CEPE gas sensor was developed by using FMEA, QFD, and statistical analysis for its failure data. Also qualification tests were designed to meet the target life.
Keywords
Constant Electrical Potential Electrolysis Gas Sensor; Failure Mode and Effects Analysis; QFD; Acceleration Factor;
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