Online stability in human-robot cooperation with admittance control

F Dimeas, N Aspragathos - IEEE transactions on haptics, 2016 - ieeexplore.ieee.org
In the design of a compliant admittance controller for physical human-robot interaction, it is
necessary to ensure stable and effective cooperation. The stability of the admittance …

A variable admittance control strategy for stable physical human–robot interaction

F Ferraguti, C Talignani Landi… - … Journal of Robotics …, 2019 - journals.sagepub.com
Admittance control allows a desired dynamic behavior to be reproduced on a non-
backdrivable manipulator and it has been widely used for interaction control and, in …

[HTML][HTML] Variable admittance force feedback device and its human-robot interaction stability

YH Wang, GY Liu, G Huang, Y Wang - Robotics and Computer-Integrated …, 2023 - Elsevier
In teleoperation, a force feedback device is a medium to build a transparent interaction
environment between a human and a remote robotic arm. Using force feedback devices, the …

Control and implementation of 2-DOF lower limb exoskeleton experiment platform

Z Chen, Q Guo, H Xiong, D Jiang, Y Yan - Chinese Journal of Mechanical …, 2021 - Springer
In this study, a humanoid prototype of 2-DOF (degrees of freedom) lower limb exoskeleton is
introduced to evaluate the wearable comfortable effect between person and exoskeleton. To …

A time-domain vibration observer and controller for physical human-robot interaction

A Campeau-Lecours, M Otis, PL Belzile, C Gosselin - Mechatronics, 2016 - Elsevier
This paper presents a time-domain vibration observer and controller for physical Human-
Robot Interaction (pHRI). The proposed observer/controller aims at reducing or eliminating …

Towards collaborative drilling with a cobot using admittance controller

Y Aydin, D Sirintuna… - Transactions of the …, 2021 - journals.sagepub.com
In the near future, collaborative robots (cobots) are expected to play a vital role in the
manufacturing and automation sectors. It is predicted that workers will work side by side in …

Active stability observer using artificial neural network for intuitive physical human–robot interaction

MA Sassi, MJD Otis… - International journal of …, 2017 - journals.sagepub.com
Physical human–robot interaction may present an obstacle to transparency and operations'
intuitiveness. This barrier could occur due to the vibrations caused by a stiff environment …

[HTML][HTML] Hand-impedance measurements with robots during laparoscopy training

H Tugal, B Gautier, B Tang, G Nabi… - Robotics and Autonomous …, 2022 - Elsevier
This paper presents hand-impedance measurements during laparoscopic training with
physically interactive manipulators. We develop a co-manipulated robotic system allowing …

EEG correlates of motor control difficulty in physical human-robot interaction: A frequency domain analysis

AH Memar, ET Esfahani - 2018 IEEE Haptics Symposium …, 2018 - ieeexplore.ieee.org
This study investigates the relationship between electroencephalogram (EEG) activity and
motor control difficulty during physical interaction with an admittance controlled robot …

Towards robust physical human robot interaction by an adaptive admittance controller

G Liu, Q Li, L Fang, H Zhang - Journal of Intelligent & Robotic Systems, 2023 - Springer
The regular admittance controller cannot be easily transferred to the physical human–robot
interaction scenario because of the dynamic stiffness of the human arm. The dynamic …