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The Design and Validation of a High-Precision Angular Vibration Calibration System Based on a Laser Vibrometer.

作者信息

Lin Xinghan, Huang Zhigang, Guo Keyou, Li Gang

机构信息

School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China.

出版信息

Sensors (Basel). 2024 Sep 26;24(19):6228. doi: 10.3390/s24196228.

DOI:10.3390/s24196228
PMID:39409268
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11478710/
Abstract

This paper presents the design and validation of a high-precision angular vibration calibration system based on a laser vibrometer, aimed at meeting the high-precision requirements for measuring small angular vibrations. The system primarily consists of a self-driving angular vibration platform and a laser vibrometer. The platform is isolated from ground interference via an air-floating platform and uses a split-type motor to control the platform, generating specific angular vibrations. Detailed simulations of the platform's modal characteristics and the stability of the spring plates were conducted using the finite element analysis software ANSYS 11. Moreover, fundamental frequency testing and measurement accuracy testing were conducted on the system. Experimental results demonstrate that the system has a fundamental frequency of 2.69 Hz and a maximum measurement error of 0.00172″, confirming the system's effectiveness in dynamic characteristics, stability, and measurement accuracy. This research provides essential technical support for high-precision angular vibration control in spacecraft.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/d171215ef41d/sensors-24-06228-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/f0653ca7f802/sensors-24-06228-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/0ea3ecb62315/sensors-24-06228-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/c783ac796f14/sensors-24-06228-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/b8052b1ca8d0/sensors-24-06228-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/bce2b30b10a8/sensors-24-06228-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/d171215ef41d/sensors-24-06228-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/f0653ca7f802/sensors-24-06228-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/0ea3ecb62315/sensors-24-06228-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/c783ac796f14/sensors-24-06228-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/b8052b1ca8d0/sensors-24-06228-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/bce2b30b10a8/sensors-24-06228-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3788/11478710/d171215ef41d/sensors-24-06228-g006.jpg

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