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JP2014122824A Surface wind measurement system 有权
标题翻译：表面风力测量系统
公开(公告)号：JP2014122824A
公开(公告)日：2014-07-03
申请号：JP2012278780
申请日：2012-12-21
申请人： Hitachi Ltd , 株式会社日立製作所 , Central Japan Railway Co , 東海旅客鉄道株式会社
发明人： MATSUI AKINORI , ABE YUKINOBU , FURUKAWA HISAFUMI , ITO MASATOSHI , NARUSE ISAO , HANAI KATSUYOSHI
IPC分类号： G01P13/00
摘要： PROBLEM TO BE SOLVED: To serially detect surface wind at a travel location on the basis of ground coordinates in a railroad vehicle.SOLUTION: A first pressure detector S1 and a second pressure detector S2 are provided on a railroad vehicle for detecting a pressure in orientations different from each other relative to a direction of air flow flowing toward a surface thereof. A surface wind measurement system includes an elevation angle database 10 created by preliminarily obtaining through analysis and experiment a relation between an elevation angle being an angle of wind which the railroad vehicle undergoes by traveling wind and surface wind, and two pressure detection values. Also, the surface wind measurement system, during traveling, calculates the elevation angle of the wind, which the railroad vehicle undergoes by the traveling wind and the surface wind, on the basis of the respective pressure detection values obtained by pressure detection means. Elevation angle/wind velocity calculation means calculates a wind velocity of the wind, which the railroad vehicle undergoes by the traveling wind and the surface wind, on the basis of the calculated elevation angle and the detection value by one of the pressure detection means. A wind velocity and a wind direction of the surface wind at a travel location are calculated in a vehicle coordinate system on the basis of a travel velocity detected by a velocity sensor 20 and the travel location calculated by a location detector 30.
摘要翻译：要解决的问题：基于铁路车辆中的地面坐标来串行地检测行驶位置处的表面风。解决方案：第一压力检测器S1和第二压力检测器S2设置在铁路车辆上，用于检测取向中的压力彼此相对于朝向其表面流动的空气流的方向彼此不同。表面风测量系统包括通过分析和实验获得铁路车辆经过风向的风角度的仰角与表面风之间的关系以及两个压力检测值而形成的仰角数据库10。此外，表面风测量系统在行驶期间，基于由压力检测单元获得的各压力检测值，计算出铁路车辆经过行驶风和地面风的风的俯仰角。仰角/风速计算装置根据计算出的仰角和检测值，计算由行驶风和表面风经受的铁路车辆的风速。基于由速度传感器20检测到的行驶速度和由位置检测器30计算出的行驶位置，在车辆坐标系中计算行驶位置处的表面风的风速和风向。

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