Variable impedance control and learning—a review

FJ Abu-Dakka, M Saveriano - Frontiers in Robotics and AI, 2020 - frontiersin.org
Robots that physically interact with their surroundings, in order to accomplish some tasks or
assist humans in their activities, require to exploit contact forces in a safe and proficient …

Human-robot interaction review: Challenges and solutions for modern industrial environments

D Rodriguez-Guerra, G Sorrosal, I Cabanes… - Ieee …, 2021 - ieeexplore.ieee.org
The demand for collaborative robots is growing in industrial environments due to their
versatility and low prices. Thus, more collaborative solutions are emerging for industrial …

Model-based reinforcement learning variable impedance control for human-robot collaboration

L Roveda, J Maskani, P Franceschi, A Abdi… - Journal of Intelligent & …, 2020 - Springer
Abstract Industry 4.0 is taking human-robot collaboration at the center of the production
environment. Collaborative robots enhance productivity and flexibility while reducing …

Constrained neural adaptive PID control for robot manipulators

HR Nohooji - Journal of the Franklin Institute, 2020 - Elsevier
The problem of designing an analytical gain tuning and stable PID controller for nonlinear
robotic systems is a long-lasting open challenge. This problem becomes even more intricate …

Force/torque sensorless compliant control strategy for assembly tasks using a 6-DOF collaborative robot

F Zeng, J Xiao, H Liu - Ieee Access, 2019 - ieeexplore.ieee.org
The flexibility of the robot assembly process is critical, and a robot assembly system that is
not flexible may damage the workpieces. Most researchers make the assembly process …

Data-driven human-robot interaction without velocity measurement using off-policy reinforcement learning

Y Yang, Z Ding, R Wang, H Modares… - IEEE/CAA Journal of …, 2021 - ieeexplore.ieee.org
In this paper, we present a novel data-driven design method for the human-robot interaction
(HRI) system, where a given task is achieved by cooperation between the human and the …

Constant force tracking using online stiffness and reverse damping force of variable impedance controller for robotic polishing

H Wahballa, J Duan, Z Dai - The International Journal of Advanced …, 2022 - Springer
This paper proposes a novel constant force tracking control scheme based on an
impedance controller with online stiffness and reverse damping force (OSRDF) to track …

Contact force modeling and variable damping impedance control of apple harvesting robot

W Ji, C Tang, B Xu, G He - Computers and Electronics in Agriculture, 2022 - Elsevier
In order to realize the compliant grasping of apple harvesting robot and reduce the
mechanical damage in the process of grasping, a variable damping impedance control …

Neural adaptive tracking control for an uncertain robot manipulator with time-varying joint space constraints

HN Rahimi, I Howard, L Cui - Mechanical Systems and Signal Processing, 2018 - Elsevier
This paper presents a control design for a robotic manipulator with uncertainties in both
actuator dynamics and manipulator dynamics subject to asymmetric time-varying joint space …

Backstepping Nussbaum gain dynamic surface control for a class of input and state constrained systems with actuator faults

H Habibi, HR Nohooji, I Howard - Information Sciences, 2019 - Elsevier
This paper presents a novel constructive control design applicable for uncertain dynamic
systems subject to input and state saturations, unknown direction, and actuation faults. The …