The paper proposes a new method of using the ultrasonic-speed turbine as a power sourse and using the magnetic suspension bearing as the main back-up bearing for the rotation axis.
本文提出用永磁材料制作的永磁悬浮轴承作高速旋转轴的主要支承，轴流式超音涡转作回转轴的驱动动力源。
Because of the emphases research of magnetic bearing at home and abroad is DC active magnetic bearings (AMBs) at present, and the cost of DC power amplifiers is much higher than ac power converters.
目前国内外对磁轴承的研究多为直流式磁轴承，而直流开关功率放大器相对于交流逆变器来说其体积大、功耗大及成本高。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
以刚体动力学为基础，考虑功放延时、转子不平衡、磁轴承非线性等因素，建立了磁轴承反馈控制控制系统模型，对不同的控制律进行了仿真分析。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
以刚体动力学为基础，考虑功放延时、转子不平衡、磁轴承非线性等因素，建立了磁轴承反馈控制控制系统模型，对不同的控制律进行了仿真分析。
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