Experimental Identification of Satellite Antenna Dynamics

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MAANI MIANDOAB EHSAN; ZABIHIAN EHSAN; NAJAFI HOSSEIN

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Journal Paper

Paper Information

Journal: JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS Year:2021 | Volume:1 | Issue:1 Page(s): 1-12

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Title

Experimental Identification of Satellite Antenna Dynamics

Author(s)

MAANI MIANDOAB EHSAN | ZABIHIAN EHSAN | NAJAFI HOSSEIN | Issue Writer Certificate

Keywords

Satellite antenna

Piezoelectric sensor

Vibration frequency

System identification

Abstract

In all types of satellites, communication systems are utilized for data transmission between satellite and ground stations. pointing the communication antennas to the ground is necessary for the correct mission transmission information. The vibration of the Satellite antenna leads to deforming antenna pattern, creating noise and reducing connection quality. Moreover, working the attitude control actuators near the antenna's natural frequency leads to its resonance and large amplitude vibration in the antenna and satellite structure. Thus it is necessary to identify the Satellite antenna dynamic behavior as natural frequency and damping ratio. In this paper, the Satellite antenna is intended as a smart beam, based on the free vibration of clamped-free beam shape of Satellite antenna and sensing its vibration by the Piezoelectric sensor, its dynamic characteristic as damping and frequency is identified and verified by comparing the results with experimental ones. The considered mathematical model is very accurate and this model can be used to determine the dynamic behavior of the antenna in different satellite secondary structures.

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APA: Copy

MAANI MIANDOAB, EHSAN, ZABIHIAN, EHSAN, & NAJAFI, HOSSEIN. (2021). Experimental Identification of Satellite Antenna Dynamics. JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS, 1(1 ), 1-12. SID. https://sid.ir/paper/960310/en

Vancouver: Copy

MAANI MIANDOAB EHSAN, ZABIHIAN EHSAN, NAJAFI HOSSEIN. Experimental Identification of Satellite Antenna Dynamics. JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS[Internet]. 2021;1(1 ):1-12. Available from: https://sid.ir/paper/960310/en

IEEE: Copy

EHSAN MAANI MIANDOAB, EHSAN ZABIHIAN, and HOSSEIN NAJAFI, “Experimental Identification of Satellite Antenna Dynamics,” JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS, vol. 1, no. 1 , pp. 1–12, 2021, [Online]. Available: https://sid.ir/paper/960310/en

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