Analysis of High Precision Moment of Inertia Measurement Method Based on Torsion Pendulum Method

Haoyue Li, Yong Xu, Jiuhui Ding, Kangrui Zhai

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The accuracy of parameters such as the moment of inertia will directly affect the accuracy of the missile's orbit and attitude control, at present, the measurement of the moment of inertia mainly relies on experimental methods. The instrument for measuring moment of inertia by Torsional-pendulum method discussed in this article is aimed at calculating the damping coefficient and stiffness coefficient. It only needs to measure the angle, angular velocity and angular acceleration during the torsion pendulum to calculate the moment of inertia. Use accelerometer and gyroscope to measure angle and angular velocity respectively, and extract angular acceleration from them. Traditional methods have the disadvantages of amplifying noise and large overshoot when extracting or restoring the original signal from noisy signal, so it will use differential The tracker obtains the best approximation of the original signal to extract the more accurate angular acceleration, use the least square method to calculate the damping coefficient and stiffness coefficient, and then find the moment of inertia, which improves the calculation accuracy.

源语言英语
主期刊名Proceedings of the 40th Chinese Control Conference, CCC 2021
编辑Chen Peng, Jian Sun
出版商IEEE Computer Society
6651-6655
页数5
ISBN(电子版)9789881563804
DOI
出版状态已出版 - 26 7月 2021
活动40th Chinese Control Conference, CCC 2021 - Shanghai, 中国
期限: 26 7月 202128 7月 2021

出版系列

姓名Chinese Control Conference, CCC
2021-July
ISSN(印刷版)1934-1768
ISSN(电子版)2161-2927

会议

会议40th Chinese Control Conference, CCC 2021
国家/地区中国
Shanghai
时期26/07/2128/07/21

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