Microvibration isolation in sensitive payloads: methodology and …
网页2023年10月9日 · Microvibration is a severe issue that is present in many components on spacecraft, such as cryocoolers, thrusters, solar arrays, and momentum/reaction wheel assemblies (M/RWAs), which can severely downgrade the working accuracy of …
Micropositioning and microvibration isolation of a novel hybrid …
网页2023年12月1日 · The microvibration isolation feedforward/feedback control part actively counteracts the vibration to achieve the first objective, while the micropositioning feedback control part maintains a relative position below the …
Recent advances in micro-vibration isolation - ScienceDirect
网页2015年5月1日 · The term micro-vibration usually refers to low-level mechanical vibration or disturbance in the microgravity environment, typically occurring at frequency from less than 1 Hz up to 1 kHz [1].
Managing the microvibration impact on satellite performances ...
网页2019年9月1日 · Abstract. Due to the increasing needs on the performance of satellites, in particular optical satellites, microvibrations have become more and more important over the last years. Microvibrations affect a large number of satellites for both Earth observation and space observation missions.
Overview of Earth Observation Satellite Platform Microvibration ...
网页2020年1月29日 · Satellite platform microvibration is a common phenomenon in earth observation satellite orbits that directly affects the imaging quality and accuracy of surveying and mapping. With the continuous improvement in the spatial resolution, the influence of satellite platform microvibration on image geometric accuracy is becoming increasingly ...
Development of Active Microvibration Isolation System for …
网页2022年4月30日 · In this study, an active microvibration isolation system is developed for precision space payload. Vibrational environment affects the performance and reliability of measuring instruments.
NTRS - NASA Technical Reports Server
网页2018年7月1日 · Spacecraft Micro-Vibration: A Survey of Problems, Experiences, Potential Solutions, and Some Lessons Learned Predicting, managing, controlling, and testing spacecraft microvibrations due to on-board internal disturbance sources is a formidable multi-disciplinary systems engineering challenge, especially for …
Key technologies in active microvibration isolation systems: …
网页2023年11月30日 · Microvibration, which is essentially a subset of vibration, has gained prominence because of increasing demand for vibration-free environments—particularly in precision equipment such as atomic force microscopes and optical payloads, approaching ultra-quiet conditions.
Microvibration Modes Reconstruction Based on Micro-Doppler …
网页2022年11月18日 · A detailed model of target microvibration is created first, taking into account two categories: discrete and continuous targets. We use the first-order field correlation feature to obtain objective different microvibration distribution based on the complex target models and time–frequency analysis in this work.
网页This paper will cover: What microvibration is. What causes microvibration in mechanisms. How microvibration is typically handled at the system level. What a microvibration requirement for a mechanism looks like. Which verification methodologies are appropriate in which circumstances.