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Design and Implementation of Navigation System for Assisting Ships in Entering Port Based on Light-Emitting Diodes

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In order to make the ship enter port accurately and avoid conflict, we present a water navigation system for assisting ships in entering port based on light-emitting diodes (LED). The system partitions the target water area by three color lights which are flickering in different frequencies. The mariners in the irradiation area can get their position and direction by observing the lights color and frequency. The system can aid the ships enter port more quickly and accurately. In order to achieve this navigation system, we propose a high-power LED optical system. The LED light beam becomes rectangular through the rectangular concentrator and the linear Fresnel lens. A circuit control system is designed to control the flicker of the light source. The modulation of the flicker frequency of the light source is realized through a single chip microcomputer, a digital analog converter and an operational amplifier. The prototype is made according to the designed system. Experiment is conducted to verify the feasibility of the system on the Mulan Lake. The experimental results show that the fabricated prototype and simulation result of design are in good agreement. The divergence angle of the beam in the horizontal direction is 6°. The proposed water navigation system can partition target waters and assist ships in entering the port well by light colors.









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张佳斌:华中科技大学光学与电子信息学院, 湖北 武汉 430074
郭文平:华中科技大学光学与电子信息学院, 湖北 武汉 430074
夏珉:华中科技大学光学与电子信息学院, 湖北 武汉 430074
杨克成:华中科技大学光学与电子信息学院, 湖北 武汉 430074
李微:华中科技大学光学与电子信息学院, 湖北 武汉 430074


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Zhang Jiabin,Guo Wenping,Xia Min,Yang Kecheng,Li Wei. Design and Implementation of Navigation System for Assisting Ships in Entering Port Based on Light-Emitting Diodes[J]. Acta Optica Sinica, 2018, 38(10): 1022003

张佳斌,郭文平,夏珉,杨克成,李微. 一种辅助船舶入港的发光二极管导航系统设计与实现[J]. 光学学报, 2018, 38(10): 1022003


【1】张鹏,佟首峰. 水下无线光传输系统中Fresnel透镜的聚光性能研究. 光学学报, 2019, 39(4): 412006--1

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