中低速磁浮列车新型测速定位系统研究

Research on a new type of speed and position detection system for medium-low speed maglev train

中低速磁浮列车因其特殊性,无法使用轮轨列车测速方法,且目前普遍采用的测速方法在低速区精度低、数据灵敏性差,难以满足自动驾驶需求。针对该问题,文章提出了一种新型测速定位系统,阐述了该系统的设计方案,介绍了其定位、测速和方向识别的原理,并通过试验平台进行验证,结果显示该系统测速精度高、定位误差小,且便于在工程实践中应用。

Due to the particularity of the medium-low speed maglev train,the speed measurement method of wheel-rail trains cannot be transplanted.Also,the speed measurement method commonly used at present has low accuracy and poor data sensitivity in the low-speed area,which is difficult to meet the needs of automatic driving.Aiming at this problem,this paper proposes a new type of speed and position detection system,and expounds the design scheme of the system.It explains the principles of positioning,speed measurement and direction recognition,and verifies it through the test platform.The results show that the new type of speed and position detection system has high speed measurement accuracy and small positioning error,and is easy to apply in engineering practice.