Design of calibration system of wheel set online detection based on plane equation

WU Kai-hua; CHEN Qiang-yuan

doi:10.13873/J.1000-9787(2017)02-0097-04

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Design of calibration system of wheel set online detection based on plane equation

更新时间：2025-09-11

- Design of calibration system of wheel set online detection based on plane equation
- Vol. 36, Issue 2, Pages: 97-100(2017)
- 作者机构：
  
  杭州电子科技大学生命信息与仪器工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)02-0097-04
  CLC： TP391.41
- Published：2017
- 稿件说明：
移动端阅览
[1]吴开华,陈强元.基于平面方程的轮对在线检测标定系统设计[J].传感器与微系统,2017,36(02):97-100.

WU Kai-hua, CHEN Qiang-yuan. Design of calibration system of wheel set online detection based on plane equation[J]. 2017, 36(2): 97-100.
[1]吴开华,陈强元.基于平面方程的轮对在线检测标定系统设计[J].传感器与微系统,2017,36(02):97-100. DOI： 10.13873/J.1000-9787(2017)02-0097-04.

WU Kai-hua, CHEN Qiang-yuan. Design of calibration system of wheel set online detection based on plane equation[J]. 2017, 36(2): 97-100. DOI： 10.13873/J.1000-9787(2017)02-0097-04.

摘要

在基于光截图像的轮对在线检测系统中

由于现场安装环境的限制

使得摄像机拍摄得到的轮对轮廓曲线畸变严重

所以摄像机的标定方法与精度直接影响到轮对参数测量结果。结合测量现场实际情况

分析设计了整套标定系统

并提出了基于平面方程系数的摄像机标定算法

实现了摄像机参数的标定工作。经验证:该标定系统的标定精度在0.1 mm以内

满足轮对在线检测对标定精度的要求。

Abstract

In wheel set online detection based on structured light interception image technique

due to the space restraint

it made the wheel set light-section curves acquired are heavily distorted. Wheel set profile curve taken by camera has serious distortion

so camera calibration method and calibration precision will directly affect wheel set parameters online detection result. Combining with practical situation

the calibration system is analyzed and designed and propose a new camera calibration algorithm which is based on the coefficient of plane equation

camera calibration work is realized. It is verified that the calibration precision of the calibration system is within0. 1 mm

it meet the demands for wheel set online detection.

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references

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基于成像光线空间追踪的摄像机标定方法研究 [J]. 王鹏,张求知,李文强,孙长库,赵扬. 仪器仪表学报 . 2015(01)

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