Results 11 to 20 of about 727,460 (232)

Effects of Local Gravity Compensation on Motor Control During Altered Environmental Gravity

open access: yesFrontiers in Neural Circuits, 2021
Our sensorimotor control is well adapted to normogravity environment encountered on Earth and any change in gravity significantly disturbs our movement.
Tjasa Kunavar   +10 more
doaj   +1 more source

Gravity compensation of an upper extremity exoskeleton [PDF]

open access: yes2010 Annual International Conference of the IEEE Engineering in Medicine and Biology, 2010
This paper presents a new gravity compensation method for an upper extremity exoskeleton mounted on a wheel chair. This new device is dedicated to regular and efficient rehabilitation training for post-stroke and injured people without the continuous presence of a therapist. The exoskeleton is a wearable robotic device attached to the human arm.
Moubarak, Salam   +3 more
openaire   +3 more sources

Research on the Gravity Disturbance Compensation Terminal for High-Precision Position and Orientation System

open access: yesSensors, 2020
The Position and Orientation System (POS) is the core device of high-resolution aerial remote sensing systems, which can obtain the real-time object position and collect target attitude information.
Zhuangsheng Zhu   +3 more
doaj   +1 more source

A slow gravity compensated atom laser [PDF]

open access: yesApplied Physics B, 2010
We report on a slow guided atom laser beam outcoupled from a Bose-Einstein condensate of 87Rb atoms in a hybrid trap. The acceleration of the atom laser beam can be controlled by compensating the gravitational acceleration and we reach residual accelerations as low as 0.0027 g. The outcoupling mechanism allows for the production of a constant flux of 4.
Kleine Büning, G.   +4 more
openaire   +2 more sources

Adaptive sliding mode control with gravity compensation: Application to an upper-limb exoskeleton system [PDF]

open access: yesMATEC Web of Conferences, 2019
This paper presents a robust control algorithm with gravity compensation in presence of parametric uncertainties. The application deals with an upper limb exoskeleton system, aimed for a rehabilitation application. The treated system is an robot with two
Bembli Sana   +2 more
doaj   +1 more source

Design and Evaluation of AX-Deminer Forearm Assistance for Demining Soldier

open access: yesIEEE Access, 2023
Mine clearance operation using a mine detector often strains arm muscles because of the extended form of the detection pole. Implementing a gravity compensation device may be beneficial for alleviating this issue.
Myunghyun Lee   +4 more
doaj   +1 more source

An active Z gravity compensation system [PDF]

open access: yesProceedings of 1993 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS '93), 2002
To perform simulations of partial or microgravity environments on earth requires some method of compensation for the earth's gravitational field. The paper discusses an active compensation system that modulates the tension in a counterweight support cable in order to minimize state deviation between the compensated body and the ideal weightless body ...
Gregory C. White, Yangsheng Xu
openaire   +2 more sources

Analysis of the umbrella-type reflector opening process on a stand with an active gravity compensation system

open access: yesКосмические аппараты и технологии, 2021
During the verification of the functioning of the transformed structures in ground conditions, it is necessary to minimize the effect of gravity in order to exclude the occurrence of additional loads on the hinge assemblies and opening mechanisms.
A. V. Ivanov, S. A. Zommer
doaj   +1 more source

Comparison Between Some Nonlinear Controllers for the Position Control of Lagrangian-type Robotic Systems

open access: yesChaos Theory and Applications, 2022
This work addresses the set-point control problem of the position of fully-actuated Lagrangian-type robotic systems by means of some nonlinear control laws.
Professor Giuseppe Carbone   +2 more
doaj   +1 more source

Intelligent Control of a Space Manipulator Ground Unfold Experiment System with Lagging Compensation

open access: yesApplied Sciences, 2023
In ground testing of space manipulators, gravity compensation is a critical testing requirement. The objective of this paper was to design a space manipulator gravity compensation test platform for ground tests and solve the problems of force control ...
Xiao Zhang   +5 more
doaj   +1 more source

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