Disturbance observer control method in SGMSCMG

Disturbance observer control method in SGMSCMG
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SGMSCMG中的扰动观测器控制方法

DOI:
10.1177/0954406214552306
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发表时间:
2014-07
期刊:
Proceedings of the Institution of Mechanical Engineers - Part C: Journal of Mechanical Engineering Science
影响因子:
--
通讯作者:
Sun Jinji
Sun Jinji
中科院分区:
其他
文献类型:
--
作者:
Peng Cong;Sun Jinji

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为了抑制单框架磁悬浮控制力矩陀螺(SGMSCMG)在轴向磁轴承应用中由于参数变化和外界扰动所产生的扰动,提出了一种将H∞控制器与扰动观测器相结合的扰动观测器控制方法。该方法考虑了轴向磁轴承的参数变化和万向节对轴向磁轴承的影响。因此,状态空间方程被改变以包含扰动。然后设计了鲁棒控制器,包括扰动观测器设计和鲁棒H∞控制器设计。对所提出的控制器进行了稳定性分析。在SGMSCMG上的仿真和实验结果验证了该方法的正确性。
To restrain disturbances produced by parameter variations and external disturbances in axial magnetic bearing in the application of single-gimbal magnetically suspended control moment gyro (SGMSCMG), a disturbance observer control method is proposed, which integrated H ∞ controller and disturbance observer. This method considers parameter variations of the axial magnetic bearing and the effect of gimbals on axial magnetic bearing. Consequently, the state space equation is changed to include the disturbances. Then the robust controller is designed, which includes the disturbance observer design and robust H ∞ controller design. The stability analysis is given for the proposed controller. Simulation and experiment results on the SGMSCMG verified the correctness of the proposed method.
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