航天器环境工程2026，Vol.43Issue(3)：221-230,10.DOI:10.12126/see.2026008
大型电动振动台隔振基础频响特性的研究
Frequency-response characteristics of a vibration-isolation foundation for a large electrodynamic shaker
高非 1范军红 1朱建斌 1岳志勇 1冯国松 1魏博1
作者信息
- 1. 北京卫星环境工程研究所,北京,100094
- 折叠
摘要
Abstract
Large spacecraft are subject to complex vibration environments during transportation,launch,and flight,and are typically tested using electrodynamic shaker systems before delivery.To ensure the rated performance of the shaker and reduce the impact on the surrounding environment,the design principles,structural configurations,and environmental effects of vibration-isolation foundations for large electrodynamic shakers are investigated.Taking a 35 t-class shaker foundation as a case study,scheme design,numerical simulation,and experimental verification were carried out.The results show that with the proposed isolation scheme combining a reaction-mass foundation and air springs,the first-order natural frequency of the foundation is below 1.4 Hz,and the vibration acceleration measured at 1 m from the foundation remains below 0.05g,demonstrating satisfactory isolation performance.The proposed scheme can effectively mitigate the interference of vibration testing on the surrounding environment and precision equipment,and provides a reference for the engineering design and frequency-response optimization of vibration-isolation foundations for large electrodynamic shakers.关键词
电动振动台/隔振基础/空气弹簧/频响特性/固有频率Key words
electrodynamic shaker/vibration-isolation foundation/air spring/frequency-response characteristics/natural frequency分类
航空航天引用本文复制引用
高非,范军红,朱建斌,岳志勇,冯国松,魏博..大型电动振动台隔振基础频响特性的研究[J].航天器环境工程,2026,43(3):221-230,10.
