用于观测轮胎印痕的汽车动力学试验系统
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摘要
目的建立一套适用于观测轮胎印痕产生过程的汽车动力学试验系统。方法将各测试传感器的信号通过多通道数字采集器传输入计算机,同时高速摄像头通过千兆网卡与计算机连接,同步采集测试数据。结果通过将高速摄像头拍摄的图像进行灰度处理,使所有测试数据以数值方式储存以便分析研究。结论建立的整合高速摄像头的汽车动力学试验系统可以动态记录车辆与路面的数据信息,对轮胎印痕产生过程的汽车动力学特性进行试验研究。
Objective To establish a vehicle dynamics test system for the observation of tire prints. Methods The signal of each test sensor input computer by multi-channel digital acquisition transmission and high-speed camera connected computer with a gigabit network card. All test data collected synchronously. Results By processing images of high-speed camera with gray-scale conversion, so that all test data stored with numerical value for analysis and research. Conclusion The car dynamics test system integration of high speed camera which could record vehicle and pavement information dynamically would help study on dynamic characteristics of automobile at the production process of tire prints.
Objective To establish a vehicle dynamics test system for the observation of tire prints. Methods The signal of each test sensor input computer by multi-channel digital acquisition transmission and high-speed camera connected computer with a gigabit network card. All test data collected synchronously. Results By processing images of high-speed camera with gray-scale conversion, so that all test data stored with numerical value for analysis and research. Conclusion The car dynamics test system integration of high speed camera which could record vehicle and pavement information dynamically would help study on dynamic characteristics of automobile at the production process of tire prints.
引文
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[2]谈轮胎印痕显现技术研究的现状[J].司杨,王小勋,靳海涛.辽宁警专学报.2007(02)
[3]单纯基于轮胎刮擦痕迹的车速估计[J].刘成,李一兵,李宝良,马瑾.汽车工程.2006(01)
[4]车路协同动力学差异特性及轮胎印迹机理研究[D].马彬.吉林大学2014
[5]Effect of surface contact conditions on the stick-slip behavior of brake friction material[J].S.W.Yoon,M.W.Shin,W.G.Lee,H.Jang.Wear.2012
[6]A comparative review of camera calibrating methods with accuracy evaluation[J].Joaquim Salvi,Xavier Armangué,Joan Batlle.Pattern Recognition.2002(7)