建立以磁场强度为状态变量的单悬浮电磁铁刚体模型,分析磁通反馈控制下系统的稳定性。设计磁通反馈与悬浮间隙的PD控制器,并根据磁悬浮列车特点,给出磁场测量方法。对悬浮间隙的PD控制器+磁通反馈的控制算法进行了仿真与单悬浮电磁铁试验,验证了磁通反馈控制的有效性。
The rigid body model of single suspension magnet are established with flux density as state variable and the system stability is analyzed with flux teedback control. The PD controller of suspension gap and flux feedback is designed. The magnetic field measurement method is given based on the characteristics of the maglev train. Simulation and single suspension magnet tests are done to control algorithm of gap PD controller and flux feedbacks, validating the efficiency of the flux feedback control.