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No-Failure Accelerated Life Test of Flap Actuating System using Weibull Distribution
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 Title & Authors
No-Failure Accelerated Life Test of Flap Actuating System using Weibull Distribution
Cho, Hyunjun; Lee, Inho; Kim, Sangbeom; Park, Sangjoon; Yang, Myungseok;
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In this paper, we present some results on No-failure accelerated life test of aerial vehicle for reliability demonstration. The design of general accelerated life test consists of the three phases: 1) Estimating normal life test time of a single product from Weibull distribution model; 2) Determining the acceleration factor (AF) by utilizing the relation between the life of mechanical components and the applied torque; 3) Calculating the accelerated life test time, which comes from dividing the estimated normal life test time into AF. Then, we applied the calculated life test time to the real reliability test of the flap actuating system, while considering the requirement specification for mechanical components and operating environment of the actuation system. Real experimental processes and results are presented to validate the theory.
reliability;Weibull distribution;accelerated life test;acceleration factor;no-failure;MTBF;airplane;flap actuating system;
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