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Proceedings Paper

Testability analysis on a hydraulic system in a certain equipment based on simulation model
Author(s): Rui Zhang; Hua Cong; Yuanhong Liu; Fuzhou Feng
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Paper Abstract

Aiming at the problem that the complicated structure and the shortage of fault statistics information in hydraulic systems, a multi value testability analysis method based on simulation model is proposed. Based on the simulation model of AMESim, this method injects the simulated faults and records variation of test parameters ,such as pressure, flow rate, at each test point compared with those under normal conditions .Thus a multi-value fault-test dependency matrix is established. Then the fault detection rate (FDR) and fault isolation rate (FIR) are calculated based on the dependency matrix. Finally the system of testability and fault diagnosis capability are analyzed and evaluated, which can only reach a lower 54%(FDR) and 23%(FIR). In order to improve testability performance of the system,. number and position of the test points are optimized on the system. Results show the proposed test placement scheme can be used to solve the problems that difficulty, inefficiency and high cost in the system maintenance.

Paper Details

Date Published: 5 March 2018
PDF: 6 pages
Proc. SPIE 10710, Young Scientists Forum 2017, 107101T (5 March 2018); doi: 10.1117/12.2317557
Show Author Affiliations
Rui Zhang, Academy of Army Armored Force (China)
Hua Cong, Academy of Army Armored Force (China)
Yuanhong Liu, Armed Police Force Engineering Univ. (China)
Fuzhou Feng, Academy of Army Armored Force (China)

Published in SPIE Proceedings Vol. 10710:
Young Scientists Forum 2017
Songlin Zhuang; Junhao Chu; Jian-Wei Pan, Editor(s)

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