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Optimization and Experiment of a Novel Compliant Focusing Mechanism for Space Remote Sensor
Li, Yan1,2; Ge, Wenjie1; Zhang, Xu1; Tong, Xinxing3
作者部门产业发展处
2020-12
发表期刊SENSORS
ISSN1424-8220
卷号20期号:23
产权排序1
摘要

The change of an external environment leads to the defocusing phenomenon of the space optical remote sensor. The performance of the focusing mechanism is related to the image quality of the remote sensor. It was optimized for a novel focusing mechanism comprised of a flexural hinge lever-type amplifier and several piezoelectric ceramics to improve the performance on high loads and large stroke in this research. It has advantages of a lightweight, simple structure and high reliability compared with the traditional focusing mechanism. The input displacement from the piezoelectric actuators was amplified by a two-stage flexure hinge lever-type mechanism. Dimensional parameters of the flexural hinges were considered as design variables. Based on the optimization ideology, reasonable compliance and dimension parameters of the flexural hinges were analyzed for the focusing mechanism. Simulation and experiments of deformation were conducted to validate the correctness of design optimization. The results show that the focusing mechanism designed by the proposed method has the capabilities of an amplification ratio of 100 times and a loading carrying capacity of 2 kg. This work provides a novel strategy to design an excellent focusing mechanism with lightweight, high loads and large stroke. Moreover, it is believed that this approach can be extended to other complex sensors.

关键词compliant mechanism flexure amplifier focusing mechanism space remote sensor
DOI10.3390/s20236826
收录类别SCI
语种英语
WOS记录号WOS:000597916300001
出版者MDPI
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/94223
专题产业发展处
通讯作者Ge, Wenjie
作者单位1.Northwestern Polytech Univ, Sch Mech Engn, Xian 710072, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
3.Xian Univ Technol, Sch Mech & Precis Instrument Engn, Xian 710048, Peoples R China
推荐引用方式
GB/T 7714
Li, Yan,Ge, Wenjie,Zhang, Xu,et al. Optimization and Experiment of a Novel Compliant Focusing Mechanism for Space Remote Sensor[J]. SENSORS,2020,20(23).
APA Li, Yan,Ge, Wenjie,Zhang, Xu,&Tong, Xinxing.(2020).Optimization and Experiment of a Novel Compliant Focusing Mechanism for Space Remote Sensor.SENSORS,20(23).
MLA Li, Yan,et al."Optimization and Experiment of a Novel Compliant Focusing Mechanism for Space Remote Sensor".SENSORS 20.23(2020).
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