摘要
针对煤矿井下工作地点分散、运输路线复杂、巷道内弯道和交叉路口较多的特点与煤矿智能化建设的需要,从需求分析、系统架构、关键技术等方面对矿井无轨胶轮车智能化管理系统进行了研究。通过需求分析,得出矿井无轨胶轮车智能化管理系统需具有矿井车辆精准定位、矿井车辆工况信息实时采集、矿井车辆移动通信、矿井车辆智能导航、矿井车辆状态实时监测与控制、矿井车辆防碰撞预警等功能。对系统关键技术进行了详细介绍:分析了UWB定位技术在矿井无轨胶轮车定位中的应用;提出矿井车辆移动通信技术宜采用WiFi与4G/5G技术;讨论了常用路径规划技术的特点,得出矿井无轨胶轮车导航技术宜采用成熟度较高的基于图搜索的路径规划算法,矿井无轨胶轮车导航和轨迹回放技术应与GIS技术相结合;研究了矿井车辆红绿灯控制技术,提出了十字交叉口模型和单车通行巷模型;研究了车辆防碰撞预警技术,根据行人和车辆位置及其与UWB基站的相对方向和距离,分析了同基站与跨基站2种模式下的防碰撞预警原理。实验结果表明,基于UWB的矿井车辆通信、基于A*算法的矿井车辆路径规划及轨迹回放、红绿灯控制、防碰撞预警等功能均能满足应用需求。
In the coal mine,underground working places are scattered,transportation routes are complex,and there are many bends and intersections in the roadway.Based on the above characteristics and the needs of intelligent construction of coal mines,the intelligent management system of trackless rubber-tyred vehicles in coal mines is studied from the aspects of demand analysis,system architecture and key technologies.Through demand analysis,it is concluded that the intelligent management system of mine trackless rubber-tyred vehicles should have the functions of precise positioning of mine vehicles,real-time collection of mine vehicle working conditions information,mine vehicle mobile communication,mine vehicle intelligent navigation,real-time monitoring and control of mine vehicle status and mine vehicle anti-collision warning.The key technologies of the system are introduced in detail.The application of UWB positioning technology in mine trackless rubber-tyred vehicle positioning is analyzed.It is suggested that the mobile communication technology of mine vehicles should adopt WiFi and 4G/5G technology.The characteristics of common path-planning technology are discussed.It is concluded that the mine trackless rubber-tyred vehicle navigation technology should adopt the path planning algorithm based on graph search with high maturity.The mine trackless rubber-tyred vehicle navigation and track playback technology should be combined with GIS technology.The traffic light control technology of mine vehicles is studied.The intersection model and single-vehicle passing lane model are proposed.The vehicle anticollision warning technology is studied.According to the position of pedestrians and vehicles and the relative direction and distance between them and the UWB base station,the anti-collision early warning principle under the two modes of the same base station and the cross-base station is analyzed.The experimental results show that the mine vehicle communication based on UWB,mine vehicle path planning and vehicle track playback based on A*algorithm,traffic light control,anti-collision early warning and other functions can meet the application requirements.
作者
杨坤
YANG Kun(CCTEG China Coal Research Institute,Beijing 100013,China;Engineering Research Center for Technology Equipment of Emergency Refuge in Coal Mine,Beijing 100013,China;Beijing Engineering and Research Center of Mine Safe,Beijing 100013,China)
出处
《工矿自动化》
CSCD
北大核心
2023年第1期162-170,共9页
Journal Of Mine Automation
基金
天地科技股份有限公司科技创新创业资金专项项目(2021-TD-QN003)
煤炭科学技术研究院有限公司科技发展基金资助项目(2021CX-I-11-02)。
关键词
矿井辅助运输
无轨胶轮车
车辆管理
UWB
智能导航
红绿灯控制
防碰撞预警
mine auxiliary transportation
trackless rubber-tyred vehicle
vehicle management
UWB
intelligent navigation
traffic light control
anti-collision early warning
作者简介
杨坤(1993−),男,山西洪洞人,助理研究员,硕士,主要从事煤矿安全与信息化、智能化等方面的研究工作,E-mail:772026356@qq.com。