An Adaptive Nonlinear Controller for the Bus Voltage Based on Immersion and Invariance Manifold in Flywheel Energy Storage Systems

被引：0
|
作者：
Gong L. [1 ]
Wang M. [1 ]
Zhu C. [1 ]
机构：
[1] College of Electrical Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang Province
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2020年 / 40卷 / 02期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Adaptive nonlinear controller; Bus voltage; Flywheel energy storage system; Immersion and invariance manifold; Lyapunov stability;
D O I：
10.13334/j.0258-8013.pcsee.190070
中图分类号：
学科分类号：
摘要：
Considering the nonlinearity of the bus voltage and the fast charge/discharge characteristics of the flywheel energy storage system (FESS), an adaptive nonlinear controller of the FESS bus voltage was designed via methodology of immersion and invariance manifold (I&IM) to improve system dynamic performance. Then, the stability of the control algorithm and the influence of the parameter error on the steady-state and transient characteristics of the closed-loop system were analyzed with the Lyapunov stability theory. It is proved that the closed-loop system satisfies the global uniform asymptotic stability conditions at the equilibrium point. The performance of I&IM adaptive nonlinear controller was studied by numerical simulation and experiment. It is shown that the I&IM adaptive nonlinear control algorithm has good stability and can maintain the same bus voltage in different rotating speeds and loads. © 2020 Chin. Soc. for Elec. Eng.
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页码：623 / 633
页数：10
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