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Mission failure evolution is a unique aspect of complex human-machine system (CHMS), which contains failure regularity and directs emergent reconfiguration measures. Oriented to all varieties of system components, an analysis of how the parts are connected and contribute to CHMS failure is necessary. Prior work paid more attention to system design with the law of system normal operation, where a single...
The study on reliability of an aging structural component considers the impact of time, by virtue of the complexity of the structural reliability caused by the random and temporal characteristics of strength and stress. This paper proposes an improved time-variant reliability model to meet the requirements for engineering cases. This model is featured by consideration of the stochastic process of...
Material characteristics, environmental conditions and loading characteristics under the time domain features shall be taken into consideration so as to effectively evaluate the reliability of ship grillage structure. Moreover, the method of time-variant reliability serves as an effective approach to solve the problem. In the paper, based on the loading environmental features of ships during the enlistment,...
Prognostics is an engineering discipline utilizing in-situ monitoring and analysis to assess system degradation trends, and determine remaining useful life. This paper discusses the benefits of prognostics in terms of system life-cycle processes, such as design and development, production, operations, logistics support, and maintenance. Challenges for prognostics technologies from the viewpoint of...
Many problems have existed in synthesis design of reliability, maintainability, supportability (RMS) and performance, such as RMS design activities are numerous and optional, variable feedback branches can satisfy same RMS requirement, some iteration among RMS and Performance activities is necessary, and many uncertainty exist in the design process. A process reengineering method for synthesis design...
In recent years, AADL (Architecture Analysis and Design Language) is used widely in the design of embedded software. There is a growing concern about quality and reliability of AADL design model and codes made from model. In this paper, we propose a testing method that test cases can be generated based on AADL system component modes to support embedded software testing. The information of AADL system...
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