NDLI: Research on the reliability analysis method of an actuator under stochastic load

Content Provider	IEEE Xplore Digital Library
Author	Jiming Ma Shengkui Zeng Jiangbin Guo
Copyright Year	2009
Description	Author affiliation: Department of System Engineering Beihang University Beijing, China (Jiming Ma; Shengkui Zeng; Jiangbin Guo)
Abstract	Traditional time-dependent reliability analysis methods aim to predict the product failure time based on binary component and system status, which have not considered the influence of some stochastic characters for the reliability such as internal parameters variation and environment factors fluctuation. Current integrated design method considers performance and reliability requirements simultaneously, and has synthesized all the uncertain factors during the reliability analysis process, while this method is based on Monte-Carlo and large number of simulation times, which delivers low efficiency extremely. As we have known, system's unreliability is always resulted from all kinds of random factors, so this paper presents a special reliability analysis method for a flight control actuator system under stochastic processes. First, we introduce the concept of the stochastic processes briefly, then we give an expression model for the stochastic wind, based on the mathematical model and load model, and suppose all the uncertainties come from the stochastic wind, we analyze the effect of the stochastic load for the actuator rotation angle. Furthermore, we select some performance characters as the criteria and calculate the actuator system reliability under the stochastic load. Finally, we create the mathematical model and stochastic wind model in Matlab, and compare the reliability value getting through simulation and analysis method, result shows that this method is feasible.
Starting Page	1104
Ending Page	1108
File Size	1126408
Page Count	5
File Format	PDF
ISBN	9781424449033
DOI	10.1109/ICRMS.2009.5270053
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators Fluctuations Design methodology Stochastic processes reliability Aerospace control Analytical models actuator Stochastic systems Failure analysis wind turbulence Performance analysis Mathematical model stochastic processes
Content Type	Text
Resource Type	Article

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