Control of a Conical Bearingless Permanent Magnet Synchronous Motor

磁轴承驱动器涉及高速应用（例如微型涡轮机、涡轮分子泵等）。或需要高纯度环境的应用（例如半导体行业的驱动器）。当今对高速电驱动器的研究主要集中在所谓的无轴承电机上，作为紧凑、可靠和免维护电机的解决方案。在电能转换研究所，这种新型电动机设计的研究正在进行中。它是由两个锥形永磁同步电动机作为主动部分。五轴控制通过四个标准的三相逆变器进行。一个特定的控制和特定的逆变器是必要的，这种电机驱动器，将在该研究所的研究项目的一部分。该项目还将侧重于几何和磁耦合的建模，轴不平衡的表征和补偿。

The magnetic bearing drives are involved in high speed applications (e.g. Microturbines, Turbomolecular pumps etc.) or applications where a high purity environment is required (e.g. drives for the semiconductor industry). Todays research on electrical high-speed drives is focusing on the so called bearingless motor as a solution for compact, reliable and maintenance-free electrical motors. At the Institute for Electrical Energy Conversion, a research on a new motor design of this type is in progress. It is composed of only two conical permanent magnet synchronous motors as active part. The five-axis control is performed through four standard three-phase inverters.A specific control and specific inverters are necessary for this motor drive and will be part of this research project at the Institute. The project will also focus on the modeling of the geometric and magnetic couplings, the characterization and compensation of the shaft unbalance.