Active disturbance rejection control for piezoelectric cantilever beam with time delay

被引:0
|
作者
Zhang, Shuowen [1 ,2 ]
Wang, Gang [1 ,2 ,3 ]
机构
[1] Hebei Univ Technol, State Key Lab Reliabil & Intelligence Elect Equip, Tianjin 300401, Peoples R China
[2] Hebei Univ Technol, Sch Mech Engn, Hebei 300401, Peoples R China
[3] Hebei Univ Technol, Tianjin Key Lab Power Transmiss & Safety Technol N, Tianjin 300401, Peoples R China
基金
中国国家自然科学基金;
关键词
VIBRATION CONTROL; SYSTEMS;
D O I
10.1063/5.0225706
中图分类号
O59 [应用物理学];
学科分类号
摘要
This Letter presents an active control method for the vibration of piezoelectric structures. First, a controller based on nonlinear extended state observer is designed to improve the disturbance rejection capability of the vibration structure. Additionally, an improved nonlinear active disturbance rejection control (IMNADRC) method is combined with Smith predictor for time delay compensation, resulting in Smith predictor-based IMNADRC. Finally, numerical simulations and experiments are carried out for active vibration suppression of piezoelectric beam under fixed harmonic excitation and variable harmonic excitation, respectively. The results show that the proposed method has good control effect on structural vibration suppression and is highly adaptable to various external excitations.
引用
收藏
页数:7
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