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利用安装于磨床主轴上的电磁轴承的阻尼特性，应用最优控制理论，使主轴在外界激扰下，其响应在短时间内迅速衰减，从而提高了转子的抗失稳、抗干扰能力，保证了磨床的磨削精度。经过仿真计算，其控制效果满足要求。
Using the damping characteristics of the electromagnetic bearings installed on the grinding machine spindle, the optimal control theory is applied to make the spindle rapidly attenuate in a short time under the disturbance of the outside world, thereby improving the anti-instability and anti-interference ability of the rotor, ensuring Grinding machine grinding accuracy. After simulation, the control effect to meet the requirements.