Aiming at the control of eight-pole heteropolar radial hybrid magnetic bearing (HRHMB), The Magnet-Simulink
co-simulation method is proposed. First, the program block diagram of PID control magnetic system is built in Simulink. Then
the model of the eight-pole HRHMB in Magnet is imported into the control program of Simulink. Finally, the Magnet-Simulink
co-simulation model of the eight-pole HRHMB system controlled by PID is established. The results of simulation show that the
Magnet-Simulink co-simulation method can realize real-time monitoring of rotor displacement, current, electromagnetic force,
magnetic flux density and other parameter changes. Therefore, the Magnet-Simulink co-simulation method not only improves
the efficiency of magnetic bearing control simulation, but also provides a new idea for exploring the rationality of the structural
parameter design and working principle of the magnetic bearing.