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http://dx.doi.org/10.3795/KSME-C.2017.5.2.115

Accelerated Life Evaluation of Drive Shaft Using Vehicle Load Spectrum Modeling  

Kim, Do Sik (Reliability Assessment Center, Korea Institute of Machinery & Materials)
Lee, Geun Ho (Dept. of System Reliability, Korea Institute of Machinery & Materials)
Kang, E-Sok (Dept. of Mechanical Design Engineering, Chungnam Nat'l Univ.)
Publication Information
Transactions of the KSME C: Technology and Education / v.5, no.2, 2017 , pp. 115-126 More about this Journal
Abstract
This paper proposes an accelerated life evaluation of drive shaft for the power train parts of special purpose vehicle. It is necessary the real load data of usage level driving load condition for life evaluation of power train parts, but we can't get the load spectrum data for evaluation in many case of special purpose vehicle. So, in this paper, the road load spectrum data for evaluation is created by modeling and simulation based on vehicle data and special road condition. The inverse power model is used for accelerated life test. The equivalent torque of load spectrum is achieved using the Miner's Rule. This paper also proposes the calibrated acceleration life test method for drive shaft. The fatigue test is performed through three stress levels. The lifetime at normal stress level is predicted by extrapolation, and is verified through comparison of experimental results and load spectrum data.
Keywords
Load Spectrum; Road Load; Accelerated Life Test; Calibrated Accelerated Life Test; Drive Shaft;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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