Gravity compensation system of mesh antennas for in-orbit prediction of deployment dynamics
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.10.021
Abstract: Abstract Large deployable mesh antennas are central components of high gain satellites that are used for gathering electromagnetic signals. Deploying such antennas in-orbit is a delicate and precise process, and any failure in their unfolding… read more here.
Keywords: mesh antennas; antennas orbit; gravity; gravity compensation ... See more keywords
Preliminary design and development of an active suspension gravity compensation system for ground verification
Sign Up to like & getrecommendations! Published in 2018 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2018.06.018
Abstract: Abstract A new active suspension gravity compensation system (ASGCS) is developed to offload the gravity of spacecraft or satellites for ground verification. The ASGCS is of six degrees of freedom (6-DOF), including a compensation stage… read more here.
Keywords: compensation; active suspension; suspension gravity; gravity ... See more keywords
Visual servo for gravity compensation system
Sign Up to like & getrecommendations! Published in 2017 at "Neurocomputing"
DOI: 10.1016/j.neucom.2017.04.071
Abstract: Abstract This paper proposed a visual servo framework for the tower-crane-like Gravity Compensation System that is widely used in various aerospace ground tests. In this framework, a real-time detection algorithm is proposed to measure the… read more here.
Keywords: compensation; visual servo; compensation system; servo ... See more keywords
Development and evaluation of a 7-DOF haptic interface
Sign Up to like & getrecommendations! Published in 2018 at "IEEE/CAA Journal of Automatica Sinica"
DOI: 10.1109/jas.2017.7510769
Abstract: With the development of human robot interaction technologies, haptic interfaces are widely used for 3D applications to provide the sense of touch. These interfaces have been utilized in medical simulation, virtual assembly and remote manipulation… read more here.
Keywords: haptic interface; evaluation dof; development evaluation; interface ... See more keywords
High Precision Hybrid Reluctance Actuator With Integrated Orientation Independent Zero Power Gravity Compensation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3137444
Abstract: This article presents a novel method for enabling energy-efficient and orientation-independent gravity compensation in active vibration isolation systems by taking advantage of the inherent negative stiffness of a hybrid reluctance actuator (HRA). Counteracting the gravitational… read more here.
Keywords: hybrid reluctance; compensation; gravity compensation; actuator ... See more keywords
Design of the Wearable Spatial Gravity Balance Mechanism
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Mechanisms and Robotics"
DOI: 10.1115/1.4052446
Abstract: Gravity compensation mechanisms are widely used in manipulators and exoskeletons as passive components which generate counter-gravity force and save energy. While there have been making great progresses in the design of the planar gravity compensator… read more here.
Keywords: wearable spatial; spatial gravity; gravity; gravity compensation ... See more keywords
A symmetric cable-pulley based mechanism for gravity compensation of robotic manipulators: Static and dynamic analysis
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062211066007
Abstract: In this paper, a novel design for gravity compensation of manipulators has been introduced and its effect on the static and dynamic performance has been studied. The gravity compensation mechanism (GCM) of this study deploys… read more here.
Keywords: gravity; cable pulley; cable; gravity compensation ... See more keywords
On the Impact of Gravity Compensation on Reinforcement Learning in Goal-Reaching Tasks for Robotic Manipulators
Sign Up to like & getrecommendations! Published in 2021 at "Robotics"
DOI: 10.3390/robotics10010046
Abstract: Advances in machine learning technologies in recent years have facilitated developments in autonomous robotic systems. Designing these autonomous systems typically requires manually specified models of the robotic system and world when using classical control-based strategies,… read more here.
Keywords: based strategies; reinforcement learning; gravity compensation; reaching tasks ... See more keywords