Experimental Research of First Feed-Support System of FAST |
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| Authors: | Liming Yu Francis Tay Eng Hock Shuangfu Suo Gexue Ren |
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| Institution: | (1) Department of Mechanical Engineering, National University of Singapore, Singapore, 117575;(2) Department of Precision Instrument & Mechanology, Tsinghua University, Beijing, 100084, P.R. China |
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| Abstract: | First feed support system, which is one of the key technologies of Five hundred meter Aperture Spherical Telescope (FAST)
was discussed in this paper. A 1:30 scaled model (20 m × 20 m × 6 m) has been built to make systemic research on the feasibility
of the system. The root mean square of pointing error of moving cable car was measured and the displacements of cable car
within the wind speed of 8 m/s, which is the maximal wind speed of the place where the FAST will be located, were evaluated.
Then the total maximal pointing error of cable car was computed. Experimental results demonstrate that the total pointing
error of the cable car is less than 50 cm, the required pointing accuracy error of the system.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | FAST feed feed support system large radio telescope scaled model SKA |
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