Article | Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015 | A New Fault Injection Method for Liquid Rocket Pressurization and Feed System
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Title:
A New Fault Injection Method for Liquid Rocket Pressurization and Feed System
Author:
Zhu Mingqing: CAD Centre, Huazhong University of Science and Technology, Wuhan, China Xie Gang: CAD Centre, Huazhong University of Science and Technology, Wuhan, China Shao Jinato: Suzhou Tongyuan Software&Control Tech. Co., Suzhou, China Chen Lipiing: CAD Centre, Huazhong University of Science and Technology, Wuhan, China Zhou Fanli: Suzhou Tongyuan Software&Control Tech. Co., Suzhou, China
DOI:
10.3384/ecp15118557
Download:
Full text (pdf)
Year:
2015
Conference:
Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015
Issue:
118
Article no.:
060
Pages:
557-563
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2015-09-18
ISBN:
978-91-7685-955-1
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The fault simulation is an important method in the design of liquid rocket and fault injection is necessary for fault simulation. In this paper, we present a new fault injection method for liquid rocket pressurization and feed system (PFS) without modifying the system structure. Firstly, we develop a physics-based model of a pressurization and feed system based on Modelica, which describes both nominal and faulty behaviors in a unified way. Then, a new fault injection method is discussed, which uses the fault mode library and constructs association between the Modelica model and the fault mode by customized Modelica annotation in MWorks¬ģ. Consequently, several typical fault modes such as leakage and clogging are simulated to verify this method. The result shows that this new method could be easily used to simulate various kinds of fault modes in liquid rocket pressurization and feed system and the new fault simulation process indeed plays a role in the system design and could give some reference to ongoing fault detection and diagnoses.

Keywords: fault simulation; fault injection; Modelica; MWorks; pressurization; fault mode

Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015

Author:
Zhu Mingqing, Xie Gang, Shao Jinato, Chen Lipiing, Zhou Fanli
Title:
A New Fault Injection Method for Liquid Rocket Pressurization and Feed System
DOI:
http://dx.doi.org/10.3384/ecp15118557
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Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015

Author:
Zhu Mingqing, Xie Gang, Shao Jinato, Chen Lipiing, Zhou Fanli
Title:
A New Fault Injection Method for Liquid Rocket Pressurization and Feed System
DOI:
http://dx.doi.org/10.3384/ecp15118557
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