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Goal‐oriented (GO) methodology is a graphic inductive method mapping the system structure, its function constitute, characteristics, and working principle visually based on decision tree. Recently, the studies on reliability technologies for GO method of complex systems have been gotten a lot of attention by scholars because of the obvious advantages of modeling and analysis power. Indeed, the GO...
The traditional reliability model is difficult to describe the dynamic behavior and the aging process of the lunar samples storage installation system with the dynamic time serial processes such as the fault detection, the fault recovery, the system aging and so on. Aiming at this problem, this paper uses the generalized stochastic Petri net to establish the reliability model of the lunar samples...
GO methodology is a success-oriented method for system reliability analysis. There is Dual Input Closed-Loop Feedback Link (DICLFL) considering shutdown correlation in many repairable systems. It is a problem to use the existing GO method to make reliability analysis of such repairable systems. A new GO operator, named type 9C operator, is created to describe the DICLFL considering shutdown correlation,...
As a key subsystem in aircraft, electro-hydraulic power and actuation system embodies performance and reliability that is crucial to aircraft safety, maneuverability and flight quality. The substantially increased system redundancy and high volume of dissimilar redundancy further complicate the aircraft electro-hydraulic control and actuation system. This paper presents the reliability model based...
Different from the previous mechanical and electrical products, aerospace hydraulic actuation system operates in very short mission time with high reliability requirement. How to design a suitable reliability growth testing for the hydraulic actuation system is urgent to the engineering. This paper designs the reliability growth testing scheme based on Weibull distribution and censored time. Comparing...
By discussing network inherent failure mechanism of AFDX (Avionics Full Duplex Switched Ethernet), this paper establishes an integrated reliability analysis architecture of AFDX. Choosing throughput as important indicator, the integrated AFDX reliability evaluation system is established by combining device failures together with PRNR. Finally, by opnet simulation, it shows that workstation quantity...
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