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Structural Engineering and Mechanics Volume 14, Number 1, July 2002 , pages 39-56 DOI: https://doi.org/10.12989/sem.2002.14.1.039 |
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Optimal distribution of the cable tensions and structural vibration control of the cable-cabin flexible structure |
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Qui YY, Duan BY, Wei Q, Nan RD, Peng B
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| Abstract | ||
| In order to trace a target in deep sky. a feed cabin 20 tons in weight used for a large radio telescope is drawn with six cables. To realize a smooth tracing all the time, optimal distribution of the cable tensions is explored. A set of cable-clog systems is utilized to control the wind-induced vibration of the cable-cabin structure. This is an attempt to apply the passive structural control strategy in the area of radio astronomy. Simulations of wind-induced vibration of the structure in both time and frequency domains offer a valuable reference for construction of the next generation large radio telescope. | ||
| Key Words | ||
| large radio telescope, cable-cabin structured, optimization, wind-induced vibration, passive structural control, nonlinear analysis | ||
| Address | ||
| Qui YY, Xidian Univ, Sch Mech & Elect Engn, Xian 710071, Peoples R China Xidian Univ, Sch Mech & Elect Engn, Xian 710071, Peoples R China Chinese Acad Sci, Beijing Radio Astron Obser, Beijing 100012, Peoples R China | ||