The invention belongs to the technical field of rail transit, and provides a train speed measurement positioning method and system, a storage medium and electronic equipment, and the method comprises the steps: receiving original data which comprises a scanning picture generated by scanning the surrounding environment of a train through a two-dimensional laser sensor; performing linear fitting on each scanning point of the scanned picture, and determining feature points in the scanned picture; matching the feature points in the two frames of scanned pictures to obtain a feature point group of the two frames of scanned pictures, and determining a displacement distance corresponding to the two frames of scanned pictures through the feature point group; according to the multiple continuous displacement distances, the accumulated state of train displacement is calculated, and according to the accumulated state, the positioning and speed of the train are determined. Off-line map drawing in advance is not needed, the two-dimensional laser sensor is used for train positioning and speed measurement, the structure is simple, installation is convenient, cost is low, and the application scene is wide; the algorithm for realizing positioning and speed measurement is simple, the occupied memory is small, the calculation speed is high, and the real-time performance of positioning and speed measurement is improved.
本公开属于轨道交通技术领域,提供了一种列车测速定位方法、系统、存储介质及电子设备,所述方法包括接收原始数据,原始数据包括通过二维激光传感器扫描列车周边环境生成的扫描图片;对扫描图片的每个扫描点进行直线拟合,确定扫描图片中的特征点;将两帧扫描图片中的特征点进行匹配,获取两帧扫描图片的特征点组,通过特征点组确定两帧扫描图片对应的位移距离;根据连续多个位移距离,计算列车位移的累计状态,根据累计状态,确定列车的定位和车速。无需预先进行离线绘制地图,使用二维激光传感器用于列车定位和测速,结构简单,安装方便,成本低,适用场景广泛;实现定位和测速的算法简洁,占用内存小,计算速度快,提高了定位和测速的实时性。
Train speed measurement positioning method and system, storage medium and electronic equipment
一种列车测速定位方法、系统、存储介质及电子设备
2025-06-27
Patent
Electronic Resource
Chinese
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