|Table of Contents|

Analysis and solution for interference with measurement system in cycle precooling test(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2014年04期
Page:
73-76
Research Field:
测控与试验
Publishing date:

Info

Title:
Analysis and solution for interference with measurement system in cycle precooling test
Author(s):
LI Shan-feng;  TANG Wei
Beijing Institute of Aerospace Testing Technology, Beijing 100074, China
Keywords:
-
PACS:
V434-34
DOI:
-
Abstract:
For motor interference problems in cycle pre-cooling tests, the three possible coupling paths of coupling between adjacent wires, common earth wire coupling and public utility power line coupling were determined by studying the signal line connection mode, the measuring system and the motor system power mode of test measurement system. Combined with analysis of the testing system, the coupling principles of the three interference coupling paths were researched one by one, the experimental verification was conducted and the coupling mechanism of the loop motor interference was determined. With the research of interference suppression method, an interference suppression method suitable for the testing system interference pattern was determined by means of the testing system, the interference coupling ways were cut off, and the interference problem was solved completely, by which progress of engine cycle pre-cooling tests was ensured. The debugging method, verification means and the methods to suppress

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Last Update: 1900-01-01