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http://dx.doi.org/10.5050/KSNVE.2015.25.4.238

Verification of Micro-vibration Isolation Performance by using Low Rotational Stiffness Isolator under Elevation Direction Operation of the X-band Antenna  

Jeon, Su-Hyeon (Department of Aerospace Engineering, Chosun University)
Lee, Jae-Gyeong (School of Mechatronics, Gwangju Institute of Science and Technology)
Jeong, Sae-Han-Sol (School of Mechatronics, Gwangju Institute of Science and Technology)
Lee, Myeong-Jae (Department of Aerospace Engineering, Chosun University)
Oh, Hyun-Ung (Department of Aerospace Engineering, Chosun University)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.25, no.4, 2015 , pp. 238-246 More about this Journal
Abstract
A stepping motor is widely used to operate the elevation and azimuth stage of the X-band antenna with 2-axis gimbal system for effective image data transmission from a satellite to a ground station. However, such stepping motor also generates an undesirable micro-vibration which is one of the main disturbance sources affecting image quality of the high-resolution observation satellite. In order to improve the image quality, the micro-vibration isolation of the X-band antenna system is essential. In this study, the low rotational stiffness isolator has been proposed to reduce the micro-vibration disturbance induced by elevation direction operation of the X-band antenna. In addition, its structural safety was confirmed by the structure analysis based on the derived torque budget. The effectiveness of the design was also verified through the micro-vibration measurement test.
Keywords
X-band Antenna; 2-axis Gimbal System; Micro-vibrationJitter; Low Rotational Stiffness Isolator;
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Times Cited By KSCI : 1  (Citation Analysis)
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