磁悬浮飞轮陀螺力学与控制原理

通过对磁悬浮飞轮陀螺力学进行研究,并分析电磁力对转子章动、进动特性的影响,将磁轴承电磁力对飞轮转子的作用分成四种基本支承成分,分别讨论它们对转子章动与进动稳定性的不同影响.控制器可通过调整四种基本成分在总的电磁力中的比重,改变转子章动、进动的阻尼特性,实现转子的高速稳定运行.基于这些分析,总结出磁悬浮飞轮控制器设计的基本原则.该原则为高速下磁悬浮飞轮转子系统控制器的设计指明方向.

GYROSCOPIC DYNAMICS AND CONTROL PRINCIPLES OF FLYWHEELS SUPPORTED BY ACTIVE MAGNETIC BEARINGS

Through the study of gyroscopic dynamics of a flywheel rotor system supported by active magnetic bearings, and the analysis of the influences of magnetic forces to the nu- tation and the precession of the rotor,the effects of the magnetic forces to the rotor are divided into four basic supporting com- ponents.Their different influences to the stability of the nuta- tion and the precession are discussed respectively.The propor- tion of the four components can be adjusted by a controller to change the damping characters of the nutation and the preces- sion,and achieve a high speed operation.Based on the study, the principles of controller designs for flywheel systems sup- ported by active magnetic bearings are summarized,and they provide a direction for designing effective controllers for the systems at high rotation speeds