The invention discloses a train accurate positioning system based on a multi-source information fusion technology, and relates to the technical field of positioning. Comprising a processor, a GNSS positioning module, a 3G/4G communication module, an encryption chip, a ferroelectric memory and a data acquisition module, the data acquisition module comprises a micro inertial measurement unit, a barometer and a speedometer connected with a vehicle instrument, and the micro inertial measurement unit comprises a three-axis gyroscope and a three-axis acceleration measurement unit. According to the invention, the micro inertial navigation system and other data acquisition modules are utilized, the vehicle speedometer is matched, the Beidou satellite is utilized for receiving and the like, and software analysis is carried out, so that when a train is positioned, the positioning error can be reduced, the positioning precision can be improved, and the data is acquired by the data acquisition module and the software; and the states of turning, pitching, acceleration and the like in the advancing process of the train can be monitored in real time, so that the monitoring comprehensiveness is improved.
本发明公开了一种基于多源信息融合技术的列车精准定位系统,涉及定位技术领域;包括处理器、GNSS定位模块、3G/4G通信模块、加密芯片、铁电储存器和数据获取模组,所述数据获取模组包括微惯性测量单元、气压计和与车辆仪表连接的里程计,微惯性测量单元包括三轴陀螺仪和三轴加速度测量。本发明通过利用微惯性导航系统以及其他数据获取模块,配合车辆里程计,利用北斗卫星接收等,再通过软件分析,从而在对列车进行定位时,能降低定位误差,提高定位精度,通过数据获取模块,利用软件获取数据,可对列车行进过程中的拐弯、俯仰、加速度等状态进行实时监测,从而增加了监测的全面性。
Train accurate positioning system based on multi-source information fusion technology
一种基于多源信息融合技术的列车精准定位系统
2023-08-22
Patent
Electronic Resource
Chinese
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |
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