On-line monitoring of vertical long wavelength track irregularities using bogie pitch rate

摘要：

　　Long wavelength track irregularities are the key factors which influence vehicle stability and comfort.An on-line monitoring method is proposed to detect the vertical long wavelength track irregularities based on bogie pitch rate.Firstly, the principle of on-line monitoring method based on bogie pitch rate was presented.Secondly, to process bogie pitch rate,a mix-filtering approach which contains double integration, baseline correction and RLS(Recursive Least Squares) adaptive compensation filter was proposed.Thirdly, a coupling dynamics model of vertical vehicle-track interactions was developed to obtain bogie pitch rate.The obtained bogie pitch rate was then filtered with the mix-filtering approach.When the processed result compares with the actual irregularities, the Standard Deviation is 0.327 mm and the Normalized Mean Square Error is-9.1495.The experimental result shows that the proposed on-line monitoring method based on bogie pitch rate and signal processing approach are capable of monitoring the long wavelength track irregularities accurately and effectively.

关键词： on-line monitoring long wavelength track irregularities mix-filtering approach

作者: Xing Zongyi Chen Yueiian Qing Yong

作者单位: School of Automation, Nanjing University of Science and Technology, Nanjing, 210094, China School of Mechanical Engineering, Nanjing University of Science and Technology,Nanjing, 210094, Chin State Key Lab of Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China

会议类型: 国际会议

会议名称: the International Conference Vibroengineering-2014

会议地点: 贵阳

会议语种:英文

页码: 17-22

在线出版日期: 2014-11-07（万方平台首次上网日期，不代表论文的发表时间）