高速磁浮列车气隙磁场测量系统的研究

Study on Air-gap Magnetic Fields Measurement System of High-speed Magnetic Levitation Vehicle

介绍了高速磁浮列车气隙磁场测量系统研制中的几项关键技术,提出了三维磁敏传感器的设计方法和基于霍尔元件的电压比磁场测量法,并设计了传感器的高精度运动控制系统。所研制的系统具有较高的测磁精度和定位精度,实现了高速磁浮列车气隙磁场的自动测量。

Several key technologies were introduced in the development of the air-gap magnetic field measurement system of high-speed magnetic levitation vehicle. The design method of the three-dimensional magnetic sensors and the voltage proportional magnetic field measurement method based on Hall-effect devices were put forward in this paper. It also presented a motion control system with high precision designed for the sensor. The research shows that the developed system has high measurement and orientation precision, and it can perform automatic measurement of the air gap magnetic fields of high speed magnetic levitation vehicle.