混合磁轴承系统广义预测控制研究

Fengwei Yang, Kexin Zhang
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引用次数: 0

摘要

本文提出了一种混合磁轴承的广义预测控制技术。首先建立了混合磁轴承径向自由度的非线性模型,然后在平衡点处采用小摄动法进行线性化处理,建立了广义预测控制器。然后,分析了该技术在径向自由浮动控制方面的研究成果及其抑制干扰的能力,同时分析比较了主要控制参数对系统性能的影响,并与传统PID控制方法进行了对比。仿真结果表明,所提出的广义预测控制系统具有较好的动态性能和鲁棒性。
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Research on Generalized Predictive Control of Hybrid Magnetic Bearing System
A generalized predictive control technique for hybrid magnetic bearings is put forth in this study. Firstly, a nonlinear model is established for the radial freedom of hybrid magnetic bearing, and is then linearized through small perturbation method at the equilibrium point, it is used to develop a generalized predictive controller. Then, the technique’s results proposed on the radial freedom floating control is analyzed together with the interference suppression ability, meanwhile the effect of main control parameters and the performance of the system are analyzed and compared, which contrast the conventional PID control approach. The simulation’s findings indicate that the generalized predictive control system presented has a better dynamic performance and robustness.
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