动力反共振隔振技术研究进展

Vibration isolation technologies have been widely applied in aerospace, mechanical engineering, and civil engineering, aiming to introduce isolation devices into the vibration transmission path and thereby attenuate the influence of external disturbances on sensitive structures. The dynamic anti⁃resonant vibration isolator (DAVI) is a class of passive isolation devices based on the antiresonance mechanism. By employing mechanical levers, hydraulic transmission, or structural topology to amplify the inertia of a small mass element, the inertial force can dynamically counteract the elastic restoring force near a specific frequency, resulting in an antiresonance point and a significant reduction in vibration transmission. Compared with conventional linear isolators, DAVI achieves low⁃frequency and even ultra⁃low⁃frequency isolation without reducing static stiffness or increasing additional mass, offering distinct advantages. As various structures across different research fields exhibit mechanisms closely related to antiresonance but are not consistently categorized, this paper provides a systematic classification of DAVI configurations and re⁃ views the development trends and future research directions of relevant technologies.