The reliability of general vague fault-tree analysis on weapon systems fault diagnosis

Chang, Jing-Rong; Chang, Kuei-Hu; Liao, Shu-Hsien; Cheng, Ching‐Hsue

doi:10.1007/s00500-005-0483-y

Cited by 77 publications

(34 citation statements)

References 28 publications

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“…Fault tree analysis (FTA) (Lee et al 1985; Antonio and Nelson 1999;Vaurio 2003;Huang et al 2004) is a logical and diagrammatic method for evaluating the probability of an accident resulting from a sequence and a combination of faults and failure events, and it is widely used to evaluate the safety and reliability of complex systems (Chang et al 2006;Cepin and Mavko 2002;Alireza and Seyed 2004;Sohn and Seong 2004;Jussi 2002;Luis et al 2004;Jenab and Dhillon 2005;Henley and Kumamoto 1981). It has also been applied to software systems (Leveson 1995).…”

Section: Introductionmentioning

confidence: 98%

Fuzzy fault tree analysis based on T–S model with application to INS/GPS navigation system

2008

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A novel fault tree analysis (FTA) technique based on the Takagi and Sugeno (T-S) model is proposed in this paper. In the proposed technique, referred to as the TS-FTA, the events in the conventional FTA can be expressed in terms of fuzzy possibilities, and the gates that represent the relations among the top event and the primary events are replaced by T-S fuzzy gates derived from the T-S model. The magnitudes of the faults in the system are expressed in term of fuzzy variables. Since the proposed TS-FTA is derived from fuzzy logic and the T-S model, it can readily handle fuzzy information and uncertainties in the relationships among events. Therefore, the TS-FTA is suitable for systems where exact information on the fault probabilities of the components and the failure mechanisms are not available. The proposed TS-FTA is applied to analyze the reliability of an Inertial Navigation System and Global Position System (INS/GPS) integrated navigation system.

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Section: Introductionmentioning

confidence: 98%

Fuzzy fault tree analysis based on T–S model with application to INS/GPS navigation system

2008

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“…They applied their method for the failure analysis problem of printed circuit board assembly (PCBA). A more or less similar approach has been considered by Chang et al (2006) to develop vague fault-tree decision support systems (VFTDSS) to generate fault-tree and fault-tree nodes, and to compute the vague fault-tree interval, traditional reliability and vague reliability interval.…”

Section: Introductionmentioning

confidence: 99%

Bayesian estimation based on vague lifetime data

et al. 2011

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In Classical Bayesian approach, estimation of lifetime data usually is dealing with precise information. However, in real world, some informations about an underlying system might be imprecise and represented in the form of vague quantities. In these situations, we need to generalize classical methods to vague environment for studying and analyzing the systems of interest. In this paper, we propose the Bayesian estimation of failure rate and mean time to failure based on vague set theory in the case of complete and censored data sets. To employ the Bayesian approach, model parameters are assumed to be vague random variables with vague prior distributions. This approach will be used to induce the vague Bayes estimate of failure rate and mean time to failure by introducing and applying a theorem called ''Resolution Identity'' for vague sets. In order to evaluate the membership degrees of vague Bayesian estimate for these quantities, a computational procedure is investigated. In the proposed method, the original problem is transformed into a nonlinear programming problem which is then divided into eight subproblems to simplifying computations.

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“…Fault tree analysis (FTA) is a logical and diagrammatic approach to represent the sequences and combinations of possible events occurring in a system that lead to the top undesired event [23]. This model is widely used to evaluate the reliability of a complex system in various fields, such as pipelines, aerospace and petrochemical industry [24].…”

Section: Process Reliability Evaluationmentioning

confidence: 99%

Validation of Land Cover Products Using Reliability Evaluation Methods

et al. 2015

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Validation of land cover products is a fundamental task prior to data applications. Current validation schemes and methods are, however, suited only for assessing classification accuracy and disregard the reliability of land cover products. The reliability evaluation of land cover products should be undertaken to provide reliable land cover information. In addition, the lack of high-quality reference data often constrains validation and affects the reliability results of land cover products. This study proposes a validation schema to evaluate the reliability of land cover products, including two methods, namely, result reliability evaluation and process reliability evaluation. Result reliability evaluation computes the reliability of land cover products using seven reliability indicators. Process reliability evaluation analyzes the reliability propagation in the data production process to obtain the reliability of land cover products. Fuzzy fault tree analysis is introduced and improved in the reliability analysis of a data production process. Research results show that the proposed reliability evaluation scheme is reasonable and can be applied to validate land cover products. Through the analysis of the seven indicators of result reliability evaluation, more information on land cover can be obtained for strategic decision-making and planning, compared with traditional accuracy assessment methods. Process reliability OPEN ACCESSRemote Sens. 2015, 7 7847 evaluation without the need for reference data can facilitate the validation and reflect the change trends of reliabilities to some extent.

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The reliability of general vague fault-tree analysis on weapon systems fault diagnosis

Cited by 77 publications

References 28 publications

Fuzzy fault tree analysis based on T–S model with application to INS/GPS navigation system

Fuzzy fault tree analysis based on T–S model with application to INS/GPS navigation system

Bayesian estimation based on vague lifetime data

Validation of Land Cover Products Using Reliability Evaluation Methods

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