3Eric G. Berggren,Martin X. D. Li, Jan Spannar. A new approachto the analysis and presentation of vertical track geometry qualityand rail roughness [J]. Wear 2008 (265) : 1488 - 1496.
4苏海涛.汽车非线性轮胎力的估计方法研究[J].长春:吉林大学,2007.
5Kalil Erazo,Eric M. Hernandez. A model -based observer for stateand stress estimation in structural and mechanical systems: Experi-mental validation [J], Mechanical Systems and Signal Processing,2013’ 10.