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Model Development and Adaptive Imbalance Vibration Control of Magnetic Suspended System

机译：磁悬浮系统的模型开发与自适应不平衡振动控制

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摘要

A system model is developed to describe the translational and rotational motion of an active-magnetic-bearing-suspended rigid rotor in a single-gimbal control moment gyro onboard a rigid satellite. This model strictly reflects the motion characteristics of the rotor by considering the dynamic and static imbalance as well as the coupling between the gimbal's and the rotor's motion on a satellite platform. Adaptive auto-centering control is carefully constructed for the rotor with unknown dynamic and static imbalance. The rotor makes its rotation about the principal axis of inertia through identifying the small rotational angles between the geometric axis and the principal axis as well as the displacements from the geometric center to the mass center so as to tune a stabilizing controller composed of a decentralized PD controller with cross-axis proportional gains and high- and low-pass filters. The main disturbance in the wheel spinning can thereby be completely removed and the vibration acting on the satellite attenuated.
机译：开发了一个系统模型来描述刚性卫星上单控制力矩陀螺仪中主动磁悬浮的刚性转子的平移和旋转运动。该模型通过考虑动平衡和静态不平衡以及在卫星平台上的万向节和转子运动之间的耦合来严格反映转子的运动特性。精心设计的自适应自动定心控制技术可用于未知动静不平衡的转子。转子通过识别几何轴和主轴之间的小旋转角以及从几何中心到质心的位移来绕惯性主轴旋转，以调整由分散式PD组成的稳定控制器具有跨轴比例增益和高通和低通滤波器的控制器。由此可以完全消除车轮旋转中的主要干扰，并且减轻作用在卫星上的振动。

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