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이기화(Kie-Hwa Lee),윤원영(Won Young Yun) 한국신뢰성학회 2009 신뢰성응용연구 Vol.9 No.1
In this paper, an accelerated life test procedure for a vacuum cleaner motor is proposed. We investigate the failure mechanism of the motor and select some accelerating factors and determine the orifice size as a key accelerating factor. Three stress levels of orifice size are tested and the failure data with censored data are analyzed. The modified accelerating test will reduce the test time in design phase by using the accelerating factor.