Mission Aspects and its Relation to Sequential System Reliability

Abstract:

Complex mechatronic systems sometimes do work in difficult and adverse environment. Such environment may affect the system’s performance and also dependability characteristics. Since we use complex systems with one shot items we need to know basic characteristics of such a system. The paper deals with advanced mathematical methods used for field data assessment in order to prove presumed impact of mission profile and system real operation profile onto system reliability. Thank to the collected data set it is assumed that operation of the system is actually a kind of time series. The paper presents identification of the time series model, its parameters´ estimation and prediction of system characteristics – like reliability/survivability function of the system for instance. Since the model of the time series has not been known, correlations with other system can be further determined and mission duration estimated. This estimation helps to organize support and operation of the system.

• Periodical: Applied Mechanics and Materials (Volume 245)
• Pages: 289-296
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.245.289
• Online since: December 2012
• Authors: Miroslav Koucky, David Valis
• Keywords: One Shot Item, Reliability Assessment, Reliability Estimation, Sequential System

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