Results 21 to 30 of about 727,460 (232)

Improving the Force Display of Haptic Device Based on Gravity Compensation for Surgical Robotics

open access: yesMachines, 2022
Haptic devices are applied as masters to provide force displays for telemedicinal robots. Gravity compensation has been proven to be crucial for the accuracy and capability of force displays, which are critical for haptic devices to assist operators ...
Lixing Jin   +4 more
doaj   +1 more source

Design and Verification of Gravity Influence Compensation Algorithm on Load End

open access: yesJournal of Harbin University of Science and Technology, 2018
Aiming at the problem that the measuring results of wrist force sensor can be influenced by load end’s attitude change when mechanical arm moves,this paper proposes a load gravity compensation algorithm for wrist force sensor.
LIU Yan   +3 more
doaj   +1 more source

Compensation of gravity on cold atoms by a linear optical potential

open access: yesPhysical Review Research, 2020
We demonstrate gravity compensation for an ultracold gas of ^{87}Rb atoms with a time-averaged optical potential. The position of a far-off-resonance beam is temporally modulated with an acousto-optic deflector to efficiently produce a potential with a ...
Kosuke Shibata   +3 more
doaj   +1 more source

Analysis of Gravity Disturbance Compensation for Initial Alignment of INS

open access: yesIEEE Access, 2020
To address the accuracy requirements of initial alignment of high-precision inertial navigation systems (INSs), gravity disturbance compensation for INSs based on a spherical harmonic model is investigated herein.
Shiwen Hao   +4 more
doaj   +1 more source

A Novel Gravity Compensation Method for High Precision Free-INS Based on “Extreme Learning Machine”

open access: yesSensors, 2016
In recent years, with the emergency of high precision inertial sensors (accelerometers and gyros), gravity compensation has become a major source influencing the navigation accuracy in inertial navigation systems (INS), especially for high-precision INS.
Xiao Zhou   +3 more
doaj   +1 more source

Elastic energy aggregation and distribution method in load compensation mechanism using linear spring

open access: yesNihon Kikai Gakkai ronbunshu, 2022
The purpose of this study is to propose a method for deriving a structure that uniquely determines the elastic energy stored in the linear spring used in Mechanical Gravity Canceller (MGC) considering the value of the gravitational potential to be ...
Fuya IKEDA, Yutaka FUKADA, Toshio MORITA
doaj   +1 more source

Study on Gravity Compensation of RCM Mechanism of Slave Manipulator

open access: yesJixie chuandong, 2021
In order to improve the positioning accuracy and motion stability of endoscopy surgery robot with remote motion center (RCM) of slave manipulator,the equivalent centroid position of the component is obtained by dynamic equivalence of slave manipulator ...
Baoping Ma   +4 more
doaj  

Assessment of Motor Control during Three-Dimensional Movements Tracking with Position-Varying Gravity Compensation

open access: yesFrontiers in Neuroscience, 2017
Active movements are important in the rehabilitation training for patients with neurological motor disorders, while weight of upper limb impedes movements due to muscles weakness.
Yao Huang   +7 more
doaj   +1 more source

Gravity compensation and optimal control of actuated multibody system dynamics

open access: yesIET Control Theory & Applications, 2022
This work investigates the gravity compensation topic, from a control perspective. The gravity could be levelled by a compensating mechanical system or in the control law, such as proportional derivative (PD) plus gravity, sliding mode control, or ...
Saeed Rafee Nekoo   +2 more
doaj   +1 more source

On the Impact of Gravity Compensation on Reinforcement Learning in Goal-Reaching Tasks for Robotic Manipulators

open access: yesRobotics, 2021
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 ...
Jonathan Fugal   +2 more
doaj   +1 more source

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