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안테나 야외 구동 시 풍력에 의한 진동 응답 저감 방법론
이창균(Chang-Kyun Lee),이은호(EunHo Lee),이상정(SangJeong Lee),김상현(Sang-Hyun Kim),전종익(Jong-Ik Jeon),박노철(No-Cheol Park) 대한기계학회 2019 대한기계학회 춘추학술대회 Vol.2019 No.11
In vehicles with antenna, since the antenna is used for communication with satellites, it is important to have vibration characteristics that do not affect the communication quality due to vibration. The antenna mounted on the vehicle should be able to be used outdoors, but in the outdoors, various environmental variables cause deterioration of communication quality. The purpose of this study is to reduce the vibration of the antenna to enable the vehicle equipped with the satellite antenna to communicate smoothly under the wind conditions that have a major influence on the antenna communication quality when used outdoors. Artificial wind experiments were conducted for this study, and the Ansys FEM Model was used to select the frequency bands affecting the communication quality and to investigate the design optimization method using peak response frequency avoidance and response amplitude reduction. As a result, we can achieve method for vibration reduction and avoidance. Based on this research, it is expected to be used in the design of vibration reduction by artificial wind as it is reflected in the design process of the antenna mounted on the vehicle.