磁悬浮小球无位置传感算法的Simulink仿真实现。采用小波注入的方式，采集出线圈电流信号，进行位置估计。采用状态反馈控制器。-Magnetic levitation ball without position sensing algorithm Simulink Simulation. Injection method using wavelet, collecting the coil current signal, for position estimation. Using state feedback controller.