Key technologies in active microvibration isolation systems: Modeling, sensing, actuation, and control algorithms

Z Yuan, Z Zhang, L Zeng, X Li - Measurement, 2023 - Elsevier
Low-amplitude and wide-frequency bands characterize microvibrations and can severely
degrade the working accuracy of sensitive payloads. Notably, active microvibration isolation …

Dynamic modeling and decoupled control of a flexible Stewart platform for vibration isolation

XL Yang, HT Wu, B Chen, SZ Kang… - Journal of Sound and …, 2019 - Elsevier
The vibration isolation system is crucial to high-precision space systems. This paper studies
dynamics and control of a six-axis vibration isolator via a flexible Stewart platform. The …

An adjustable low-frequency vibration isolation Stewart platform based on electromagnetic negative stiffness

M Wang, Y Hu, Y Sun, J Ding, H Pu, S Yuan… - International Journal of …, 2020 - Elsevier
With the continuously increasing requirements for vibration isolation in multiple degrees-of-
freedom (DOFs), the negative stiffness (NS) passive Stewart platform with simple, reliable …

Dial-in topological metamaterials based on bistable stewart platform

Y Wu, R Chaunsali, H Yasuda, K Yu, J Yang - Scientific reports, 2018 - nature.com
Recently, there have been significant efforts to guide mechanical energy in structures by
relying on a novel topological framework popularized by the discovery of topological …

Dynamic modeling and control of a 6-DOF micro-vibration simulator

J Yang, Z Xu, Q Wu, M Zhu, S He, C Qin - Mechanism and Machine Theory, 2016 - Elsevier
A micro-vibration simulator with multiple degrees of freedom is required for performance
testing of sensitive instruments in a micro-vibration environment on-board spacecraft before …

Dynamic isotropic design and decentralized active control of a six-axis vibration isolator via Stewart platform

XL Yang, HT Wu, Y Li, B Chen - Mechanism and Machine Theory, 2017 - Elsevier
Abstract the six-axis vibration isolation system is essential for high-precision space systems.
Its architecture is always designed based on the cubic-configuration Stewart platform, whose …

[HTML][HTML] Review on research progress of nonlinear vibration isolation and time-delayed suppression method

S Xiuting, Q Jiawei, Q Zhifeng, XU Jian - 力学进展, 2023 - lxjz.cstam.org.cn
Vibration problem is closely related to human daily life and the development of science and
technology. Undersigned vibration would affect human health, also cause the failure of …

Sensorless admittance control of 6-DoF parallel robot in human-robot collaborative assembly

T Sun, J Sun, B Lian, Q Li - Robotics and Computer-Integrated …, 2024 - Elsevier
This paper presents an adaptive admittance control to achieve human-robot collaborative
(HRC) assembling of large, heavy components without using external sensors. This …

[HTML][HTML] 非线性隔振及时滞消振方法研究进展

孙秀婷, 钱佳伟, 齐志凤, 徐鉴 - 力学进展, 2023 - lxjz.cstam.org.cn
振动问题与人类日常生活和科技发展紧密相关. 振动不但会干扰人类的生活, 影响人类健康,
也会造成建筑物, 机械设备和精密仪器无法正常使用甚至损坏. 于是, 在航空航天, 汽车工程 …

Dynamic modeling and terminal sliding mode control of a 3-DOF redundantly actuated parallel platform

S Liu, G Peng, H Gao - Mechatronics, 2019 - Elsevier
Abstract An improved 3-degrees-of-freedom (DOF) redundantly actuated parallel platform
(RAPP) has been designed to adjust the pose of heavy-loaded and large-scaled equipment …