Fault TreesߞA State of the Art Discussion

Fussell, J.B.; Powers, Gary J.; Bennetts, R.G.

doi:10.1109/tr.1974.5215704

Cited by 53 publications

(13 citation statements)

References 8 publications

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“…It is difficult to present the state or event directly into rules. Thus, one could use the concept of tree [3][4][5][6][7][8]. One could decompose the state or event into several sub-state or sub-event until to the very end: the most basic parameter.…”

Section: Knowledge Presentation Methods Based On Ssdmlmentioning

confidence: 99%

Spacecraft State Description Markup Language

Wang

et al. 2009

2009 IEEE Aerospace Conference

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Section: Knowledge Presentation Methods Based On Ssdmlmentioning

confidence: 99%

Spacecraft State Description Markup Language

Wang

et al. 2009

2009 IEEE Aerospace Conference

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“…This method assumes the underlying functional structure of the system design is known. However, once the relationships are established, the designer can use this structured approach to determine the impact of both failures and external disturbances on the system (Fussell, Powers et al 1974;Lee, Grosh et al 1985;Pahl, Beitz et al 1996). …”

Section: Fault Tree Analysismentioning

confidence: 99%

“…While critical functions can be identified early in the FTA process, determining the criticality of causal factors cannot. It is possible to overlook causal factors that contribute to quality losses (Fussell, Powers et al 1974). …”

Section: Fault Tree Analysismentioning

confidence: 99%

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System Theoretic Approach for Determining Causal Factors of Quality Loss in Complex System Design

Goerges

Hommes

2014

Volume 7: 2nd Biennial International Conference on Dynamics for Design; 26th International Conference on Design Theory and Meth

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Identifying the factors that could lead to the loss of quality is difficult for large complex product systems. Traditional design methods such as Failure Modes and Effects Analysis (FMEA), Fault Tree Analysis (FTA), and Robust Design have been proven effective at identifying component failures, but are less effective for causes of quality loss that involve interactions between components, software flaws, or external noises. This research applied System Theoretic Process Analysis (STPA) to a case study at Cummins, Inc. The case study was a technology change to a subsystem in a new product development project. The intent of this case was to determine if STPA, developed for safety engineering and hazard analysis, would be effective in identifying causes of quality losses. The results of the case study were compared to the traditional design methods. STPA allowed design teams to identify more causal factors for quality losses than FMEA or FTA, especially those involving component interactions, software flaws, and external noises. STPA was also found to be complementary to Robust Design methods.

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“…Therefore, there is a need for some automatic fault tree synthesis algorithms. A formal methodology for FTS appears in [4]; it utilizes a set of component transfer function, which represents the components and their various failure modes. Taylor [5] suggested FTS using mini fault tree models of the components.…”

Section: A Review On Fault Treesmentioning

confidence: 99%

On the Fault Diagnosis and Failure Analysis in the Satellite Attitude Control Subsystem

Barua¹,

Sinha²,

Khorasani³

2004

Space OPS 2004 Conference

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A rigorous failure analysis procedure within the on-board fault detection, isolation and recovery (FDIR) system is desired and necessary for unmanned space vehicles. However, such analysis may not be performed easily within existing diagnostic systems alone due to their limited capability of performing fault detection and diagnosis together. In general, additional diagnosis tools can be incorporated within the diagnosis scheme in the Attitude Control Subsystem (ACS) of a spacecraft that maintains the required attitude using reaction wheel(s), which is typically a potential source of anomalies in the ACS. We are developing a framework using fault tree analysis to complement existing diagnostic approaches. Unlike most of the existing algorithms, the fault tree synthesis algorithm that we have proposed here does not require an in-depth knowledge of the system under consideration. We anticipate that fault detection and diagnosis framework that we are developing may help an on-board control system or an operator at ground station to make an intelligent decision to prevent a major failure in the ACS of the satellite.

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Fault TreesߞA State of the Art Discussion

Cited by 53 publications

References 8 publications

Spacecraft State Description Markup Language

Spacecraft State Description Markup Language

System Theoretic Approach for Determining Causal Factors of Quality Loss in Complex System Design

On the Fault Diagnosis and Failure Analysis in the Satellite Attitude Control Subsystem

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