The Structural Optimization And Design,Electromagnetic Field Analysis Of Radial Magnetic Bearings

Active magnetic bearing(AMB) is one of the typical mechatronic products and a new type of high performance bearing which suspends the rotor in a contact-free manner. Since it has many advantages,such as no mechanical contact, no friction, lower power consumption, lasting service life and without environmental pollution. In order to make more magnetic bearings in the industry get a better application, we must make its structure more simple and its performance more excellent, realizing the reunification of performance and cost is an important realistic significance. this paper is to optimization of the design to the radial magnetic bearing structural,from the perspective of starting with the analysis of the electromagnetic field, for making it to better applied to grinder. Details are as follows:1. Magnetic bearings on the electromagnetic field analysis, given the magnetic bearings of the Maxwell equations and the finite element method with radial magnetic bearing for the general setps.2. It makes detailed analysis on the structure of radial magnetic bearing by Maxwell by ansoft embraceing, and gets several guiding significance of the conclusions to the design of the structure.3. It details the general design steps of radial magnetic bearing on the structure, and its thermal equilibrium analysis.4. Based on the foregoing conclusions of the analysis of the electromagnetic field and radial magnetic bearing the general design process, this paper presents two optimization objectives, and give three specific algorithms.5. It prepares the magnetic bearing system design software with VisualBasic, and in addition to the design of prototypes and experimental results.