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Proceedings Paper

Study on precision spatial measurement network of EAST
Author(s): Chen Liu; Yongqi Gu; Yuanyang Zheng; Shijun Qin; Jun Wang
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Paper Abstract

A precision spatial measurement network for EAST was studied and established base on the EAST configuration and Laser Tracker system. 34 fiducials in outside network and 64 fiducials in inside network were united in one cylindrical coordinate by a laser tracker system. Unified Spatial Metrology Network (USMN) analysis showed that the single point average uncertainty of this measurement network was about 0.2mm, which can meet the measurement accuracy requirements of EAST. A combination measurement method with a laser tracker system and measurement arm was used for the assembly process of EAST device and some researches of environmental temperature influence have been done to improve the measurement process.

Paper Details

Date Published: 6 March 2015
PDF: 5 pages
Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94462C (6 March 2015); doi: 10.1117/12.2181108
Show Author Affiliations
Chen Liu, Institute of Plasma Physics (China)
Yongqi Gu, Institute of Plasma Physics (China)
Yuanyang Zheng, Institute of Plasma Physics (China)
Shijun Qin, Institute of Plasma Physics (China)
Jun Wang, Institute of Plasma Physics (China)

Published in SPIE Proceedings Vol. 9446:
Ninth International Symposium on Precision Engineering Measurement and Instrumentation
Junning Cui; Jiubin Tan; Xianfang Wen, Editor(s)

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