Lightweight design of piezoelectric linear displacement accumulation actuator for airfoil deployment

被引：0
|
作者：
Lu H. [1 ]
Hu K. [1 ]
Zheng X. [2 ]
Xiao J. [2 ]
Song H. [3 ]
机构：
[1] School of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou
[2] School of Aeronautics, Northwestern Polytechnical University, Xi'an
[3] Beijing Research Institute of Precise Mechatronic Sontrols, Beijing
来源：
Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University | 2023年 / 41卷 / 05期
关键词：
high power density; inchworm; lightweight design; piezoelectric linear actuator; virtual prototype;
D O I：
10.1051/jnwpu/20234150996
中图分类号：
学科分类号：
摘要：
The electromagnetic servo steering gear commonly used in the modern small guided aircraft has parasitic electromagnetic fields that affect the navigation and guidance accuracy, and its deceleration mechanism will increase the volume and mass, and the operating temperature range of the electromagnetic steering gear is small. A recently developed piezoelectric linear displacement accumulating high-power density actuator can solve those problems effectively. A virtual prototype model of piezoelectric linear displacement accumulating high-power density actuator is established, and the reliability of the virtual prototype model is verified by comparing with the experimental data. In order to make the actuator with the lightest weight under the requirements of wing deployment, Isight and Adams co-simulation were used to optimize the parameters of the piezoelectric actuator, such as the outer diameter, length, and excitation frequency. Finally, the output power of 50.8 W/kg is achieved, which is comparable with the power density of the existing servo motor. ©2023 Journal of Northwestern Polytechnical University.
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页码：996 / 1005
页数：9
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