| 摘要: |
| 设计了一套利用可见光通信的自动导航系统。通过分析室内可见光信道模型，设计了可见光定位导航系统的发射模块和接收模块。系统在获取了停车位置信息后，通过光电二极管驱动电路将信息发出，光信号传感器模块接收可见光信号；信号经过解调、滤波后由显示屏显示，同时语音系统播报位置信息，利用贝叶斯相位中心偏置天线（Bayesian Information Criterions Displaced Phase Center Antenna，BDPCA）聚类算法计算出最佳导航路径，从而实现自动导航的目的。测试结果表明，该系统可满足目标的精准定位功能，在搭建的1m×1m×1m 验证实验中，系统的最大定位误差为 7.90 cm ，平均定位误差为 4.85 cm ，降低了26%，最佳导航路径距离更短，所需时间降低了20%，系统有较高的工作效率。 |
| 关键词: 可见光通信 室内定位 BDPCA聚类算法 自动导航 |
| DOI： |
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| 基金项目: |
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| Design of an automatic navigation system for visible light communication |
| WANG Jiaan,YANG Hongji,LIU Shuying |
| (School of Photoelectric Engineering,Changzhou Institute of Technology) |
| Abstract: |
| An automatic navigation system based on visible light communication is designed.By analyzing the indoor visible light channel model,the transmitting module and receiving module of visible light positioning and navigation system are designed.After obtaining the parking position information,the system sends the information through the light emitting diode(LED) driving circuit.The optical signal sensor module receives the visible light signal,and the signal is displayed by the display screen after demodulation and filtering.At the same time,the voice system broadcasts the position information,and uses the Bayesian Information Criterions Displaced Phase Center Antenna(BDPCA) clustering algorithm to calculate the best navigation path,so as to realize the purpose of automatic navigation.The test results show that the system can meet the accurate positioning function of the target,in the built verification 1 m×1 m× 1 m experiment,the maximum positioning error of the system is 7.9 cm,the average positioning error is 4.85 cm,which is reduced by 26%,the distance of the best navigation path is shorter,the time required is reduced by 20%,and the system has high work efficiency. |
| Key words: visible light communication indoor positioning BDPCA clustering algorithm automatic navigation |
