| The Study of an Automatic Tracking and Pointing Method and the Regarding System for Facing Two Antennas |
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Hak In Gimm, Sung Hoon Cho, Chong Hyo Lee |
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The 5th Research and Development Institute, Agency for Defense Development |
| 상호 대국의 안테나 간 자동 추적 지향 기법 및 장치 연구 |
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김학인, 조성훈, 이종효 |
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국방과학연구소 제5기술연구본부 |
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| Abstract |
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The existing mobile antenna networks in the military use have been operated by the manual pointing between two antennas. The work presented here describes the study of ATPC(Automatic Tracking and Pointing Control) system between facing antennas and the related tracking and pointing performances. This system is able to automatically track the maximum RSSI(Received Signal Strength Indication) value from the source's RF(Radio Frequency) signal and then control for maintaining the LOS(Line of Sight) between two antennas. The system has three major units; the driving unit consisting of motors, harmonic drives and encoders, the sensor unit with a GPS(Global Positioning System) and AHRS(Attitude and Heading Reference System) and the control unit regulating all the tracking and pointing events. By using PI(Proportional and Integral) controller, this system is able to properly track and point the other antenna under the external disturbance like the wind load. Both the simulation and the experimental works have been successively carried out to prove the performances of the system. |
| Key Words:
Antenna, External Disturbance, Pointing, Received Signal Strength Indication, Tracking |
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