| 高稳定高可靠多平台兼容RTK精密定位系统设计与实现 |
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| 引用本文： | 齐兵,石帅帅,陈嘉宇,程建华.高稳定高可靠多平台兼容RTK精密定位系统设计与实现[J].导航定位于授时,2022,9(2):131-136. |
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| 作者姓名： | 齐兵 石帅帅 陈嘉宇 程建华 |
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| 作者单位： | 哈尔滨工程大学智能科学与工程学院,哈尔滨150001 |
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| 摘 要： | 针对RTK精密定位系统存在的稳定性差、可靠性低、系统兼容能力低等问题,提出了高稳定高可靠多平台兼容RTK精密定位系统设计方法。该系统基于冗余式方法设计GNSS定位单元,以提高系统兼容性;基于工作距离设计冗余式修正信息交互方式,并设计了基于ARM+DSP架构的AM5728实时解算RTK修正信息,通过复合型高速通信链路共享信息。以精密标定点为参考测试其定位精度并采用CEP评估其定位精准性,评估结果表明,CEP=0.0071m,说明定位精度高且可靠性好,解决了稳定性差、可靠性低、系统兼容能力低的问题,有效弥补了RTK精密定位系统领域受限的不足。
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| 关 键 词： | RTK精密定位 冗余式设计 复合型高速通信链路 ARM+DSP CEP定位结果考核 |
Design and Implementation of Multi-Platform Compatible RTK Precise Positioning System with High Stability and Reliability |
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| QI Bing,SHI Shuai-shuai,CHEN Jia-yu,CHENG Jian-hua.Design and Implementation of Multi-Platform Compatible RTK Precise Positioning System with High Stability and Reliability[J].Navigation Positioning & Timing,2022,9(2):131-136. |
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| Authors: | QI Bing SHI Shuai-shuai CHEN Jia-yu CHENG Jian-hua |
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| Affiliation: | (College of Intelligent Systems Science and Engineering, Harbin Engineering University, Harbin 150001, China) |
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| Abstract: | Aiming at the problems of low stability,low reliability and compatibility of RTK precise positioning system,a design method of high stability,high reliability and multi-platform compatible RTK precise positioning system is proposed.The GNSS locating unit is designed based on redundancy method to improve the system compatibility.Based on the working conditions,a redundant differential positioning information interaction mode is designed,and the AM5728 based on ARM+DSP architecture is designed to solve the RTK correction information in real time and share the information through the composite high-speed communication link.The accuracy of the RTK precision positioning system is tested and evaluated by CEP.The evaluation results show CEP=0.0071m,indicating high positioning accuracy and good reliability.The problems of poor stability and reliability and low system compatibility are solved,and it effectively makes up for the limitations in the field of RTK precise positioning. |
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| Keywords: | RTK precise positioning Redundant design Composite high speed communication link ARM+DSP Evaluation of CEP positioning results |
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