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Issue title: Selected papers from the International Symposium on Applied Electromagnetics and Mechanics - ISEM 2019
Guest editors: Jinhao Qiu, Ke Xiong and Hongli Ji
Article type: Research Article
Authors: Gao, Boa; b | Xu, Minglonga;
Affiliations: [a] School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an, China | [b] China Academy of Space Technology (Xi’an), Xi’an, China
Correspondence: [*] Corresponding author: Minglong Xu, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China. E-mail: mlxu@xjtu.edu.cn
Abstract: As an important equipment for satellite signal reception and transmission, the satellite antenna needs to be rotated in real time to achieve real-time tracking of the target and complete signal transmission during applications. Antenna driving mechanism is generally composed of motor and other components, which will cause some structural vibration during rotation. For high-stability satellite applications, the vibration disturbance torque is a major factor affecting the satellite stability. In order to study characteristics of the disturbance torque, the disturbance data from the antenna under different rotation conditions should be measured. In this paper, the frequency characteristics of disturbance torque of a rotating satellite antenna using stepper motor as driving motor is tested and discussed.
Keywords: Frequency, disturbing moment, rotation, satellite antenna
DOI: 10.3233/JAE-209478
Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 64, no. 1-4, pp. 1563-1569, 2020
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