TY - GEN
T1 - Multi-degree-of-freedom Active Vibration Isolation Method Based on Composite Feedforward and Feedback Control Strategy
AU - Lei, Jia
AU - Cui, Junning
AU - Jin, Mingrui
AU - Han, Ming
AU - Zhao, Yamin
N1 - Publisher Copyright:
© Huazhong University of Science and Technology 2026.
PY - 2026
Y1 - 2026
N2 - With the rapid development of precision manufacturing, optical inspection, and spacecraft payloads, the stability requirements for micro-vibration environments in high-precision equipment are becoming increasingly strict. Therefore, it is crucial to reduce or isolate environmental vibrations, especially low-frequency and micro-amplitude vibrations. To address the challenge of suppressing low-frequency vibrations, a multi-degree-of-freedom active vibration isolation method based on composite feedforward and feedback control strategy is proposed, with comprehensive theoretical analysis of its operational principles. Comparative experimental validation is conducted on a designed low-frequency multi-axis isolation platform. Results demonstrate that implementation of the method achieves over 60% attenuation in root mean square (RMS) values of tri-axial vibration velocity, coupled with minimum 15 dB reduction in resonance peaks across tri-axial transfer functions.
AB - With the rapid development of precision manufacturing, optical inspection, and spacecraft payloads, the stability requirements for micro-vibration environments in high-precision equipment are becoming increasingly strict. Therefore, it is crucial to reduce or isolate environmental vibrations, especially low-frequency and micro-amplitude vibrations. To address the challenge of suppressing low-frequency vibrations, a multi-degree-of-freedom active vibration isolation method based on composite feedforward and feedback control strategy is proposed, with comprehensive theoretical analysis of its operational principles. Comparative experimental validation is conducted on a designed low-frequency multi-axis isolation platform. Results demonstrate that implementation of the method achieves over 60% attenuation in root mean square (RMS) values of tri-axial vibration velocity, coupled with minimum 15 dB reduction in resonance peaks across tri-axial transfer functions.
KW - Absolute velocity feedback
KW - Active vibration isolation
KW - Ground velocity feedforward
UR - https://www.scopus.com/pages/publications/105042946433
U2 - 10.1007/978-981-95-8146-7_20
DO - 10.1007/978-981-95-8146-7_20
M3 - 会议稿件
AN - SCOPUS:105042946433
SN - 9789819581450
T3 - Lecture Notes in Electrical Engineering
SP - 198
EP - 214
BT - Advanced Measurement, Imaging, and Instruments - Selected Papers from ISMTII - ICOIM 2025
A2 - Liu, Shiyuan
A2 - Zhu, Jinlong
A2 - Yang, Shuming
PB - Springer Science and Business Media Deutschland GmbH
T2 - 16th International Symposium on Measurement Technology and Intelligent Instruments, ISMTII 2025 and 3rd International Conference of Optical Imaging and Measurement, ICOIM 2025
Y2 - 25 May 2025 through 28 May 2025
ER -