Research on Leakage Fault Diagnosis and its Simulation for Control Valve of Mixed Gas

Yue Rong Zhang; Yong Wang

doi:10.4028/www.scientific.net/AMR.181-182.316

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 181-182Research on Leakage Fault Diagnosis and its...

Research on Leakage Fault Diagnosis and its Simulation for Control Valve of Mixed Gas

Abstract:

The leak tightness of control valve may be broken more easily with high flow rate, so this paper considers a control valve of mixed gas as the research object to establish a mathematical model of leakage fault on results of a study on the mechanism of leakage faults. We obtain a method of extracting fault symptom through a simulation test of fault in order to form the foundation for a system of intelligent fault diagnosis and detection (IFDD) for the control valve.

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Advanced Materials Science and Technology, ICMST 2010

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Periodical:

Advanced Materials Research (Volumes 181-182)

Pages:

316-319

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.181-182.316

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Online since:

January 2011

Authors:

Yue Rong Zhang, Yong Wang

Keywords:

Control Valve, Fault Diagnosis, Leakage, Simulation

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References

[1] W.S. Guan, X.M. Zhang: Applied science and technology., Vol. 28 (2001) No. 5, pp.7-9.

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[3] P.W. Lu: Practical Technique of Control Valve (Mechanical Engineering Publications, 2006), p.119.

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[4] G. Wang, S.Y. Liu, W.G. Huang: Gas Dynamics (Beijing Polytechnic University Publications, China 2005), p.11. (a) (b) (c) (d) Fig. 4 the mass flow and its rate in different condition.

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