Research On Hybrid Repulsion Suspension System Based On Halbach Structure

Hybrid repulsive suspension system can avoids the mechanical loss caused by the contact between the objects using electromagnetic force and repulsive force. Because the permanent magnetic force bears most of the force, so the energy consumption is reduced, thus more energy is saved. But due to the levitation force of the permanent magnet volume and levitation height influence, let the small size of permanent magnet suspension model taller and heavier objects has been a hot research direction.In order to solve these problems, the magnetic field distribution and the characteristic of the traditional hybrid repulsion system are analyzed in detail, and halbach array is introduced to improve the traditional model. The main idea is to design an annular permanent magnet instead of the traditional model by using the halbach array. Halbach array has advantages of single side magnetic field, so it can improve the utilization ratio of the permanent magnet and increase the suspension force.Through the ANSYS simulation software, the halbach permanent magnet array was introduced. And two different types of halbach hybrid repulsion suspension system model were designed by using the parametric modeling idea. Compared with the traditional model and halbach model of levitation force and electromagnetic energy, the results show that halbach model not only levitation force is larger than the traditional model, and stable suspension electromagnetic energy is smaller, which verify the effectiveness of the scheme design.In view of a halbach mixed repulsion model, ADAMS combined with MATLAB simulation was used to analyze the vertical and horizontal suspension characteristics of the system. The results show that the halbach hybrid repulsive force suspension system can realize the stable suspension in the vertical and horizontal direction. By means of the finite element method, the system can adjust the suspended material back to the balance point by the electromagnetic force in horizontal direction offset 1.4mm, which proves the rationality of the improved method.