|Table of Contents|

Experimental investigation on micro-thrust measurement system based on double-beam interference principle(PDF)

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

Issue:
2014年05期
Page:
80-85
Research Field:
测控与试验
Publishing date:

Info

Title:
Experimental investigation on micro-thrust measurement system based on double-beam interference principle
Author(s):
HUANG Zi-wei;  TIAN Song-yan;  SHANG Sheng-fei
Beijing University of Aeronautics and Astronautics, Beijing 100191, China
Keywords:
micro-thruster; micro-satellite; double-beam interference; thrust measurement
PACS:
V433.9-34
DOI:
-
Abstract:
The micro-thrust measurement technology plays a key role in micro-thruster development, which is the essential technology of micro-satellite. To develop high-precision measurement system, a new high-precision optical micro-thrust measuring method based on the principle of double-beam interference was proposed, and a micro-thrust experimental device was founded as well. Through three different calibration and measurement tests, some experiences and methods of micro-thrust measurement were obtained and some measuring facilities were improved. The experimental result shows that the measurement system can acquire the real-time thrust curve and is convenient for operation. Its maximum measurement error is 1.86%. The mearuring accuracy is up to the precision of existing thrust-frame measuring equipment. However, the measuring precision is still below the theoretic precision of

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