Precise positioning using laser rangefinder in radio telescopes for changing feed horn

The project aimed to improve an automatic system for changing feed horn. We developed a precisely positioning unit for the system in the place of manual feed which might cause seriously decreasing of accuracy because of aging equipments, thus to raise accuracy of feedback. The traditional length gau...

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Main Authors: Sun Zengwu, Yusup, Aili, Wang Shiqiang, Yan Li
Format: Conference Proceeding
Language:English
Subjects:
automatically changing
Distance measurement
Feeds
Laser applications
laser range finder
Laser stability
Measurement by laser beam
PLC
Protocols
radio telescope
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creator Sun Zengwu
Yusup, Aili
Wang Shiqiang
Yan Li
description The project aimed to improve an automatic system for changing feed horn. We developed a precisely positioning unit for the system in the place of manual feed which might cause seriously decreasing of accuracy because of aging equipments, thus to raise accuracy of feedback. The traditional length gauge sensor used for positioning can generally reach a precision of 1mm, but with a serious drift of temperature, which affects precisely positioning of objects. Instead, a laser range finder can be achieved less than 0.1mm, and as a non-contact measuring instrument, it is easy to install, as well as high precision and low temperature drift.
doi_str_mv 10.1109/ICIFE.2010.5609244
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects automatically changing
Distance measurement
Feeds
Laser applications
laser range finder
Laser stability
Measurement by laser beam
PLC
Protocols
radio telescope
title Precise positioning using laser rangefinder in radio telescopes for changing feed horn
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