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 …

Shape reconstruction processes for interventional application devices: State of the art, progress, and future directions

SK Sahu, C Sozer, B Rosa, I Tamadon… - Frontiers in Robotics …, 2021 - frontiersin.org
Soft and continuum robots are transforming medical interventions thanks to their flexibility,
miniaturization, and multidirectional movement abilities. Although flexibility enables …

Soft robot-assisted minimally invasive surgery and interventions: Advances and outlook

KW Kwok, H Wurdemann, A Arezzo… - Proceedings of the …, 2022 - ieeexplore.ieee.org
Since the emergence of soft robotics around two decades ago, research interest in the field
has escalated at a pace. It is fuelled by the industry's appreciation of the wide range of soft …

A novel pressure-controlled revolute joint with variable stiffness

C Sozer, L Paternò, G Tortora, A Menciassi - Soft Robotics, 2022 - liebertpub.com
The compliance and deformability of soft robotics allow human–machine interactions in a
safe manner without the need of sophisticated control systems inherent in rigid-body robotic …

Robotic modules for a continuum manipulator with variable stiffness joints

C Sozer, SK Sahu, L Paternò… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
This study presents a novel robotic module that combines rigid, rigid but compliant, and soft
components to enable actuation, proprioceptive sensing, and variable stiffness. Three spring …

Highly articulated tube mechanism with variable stiffness and shape restoration using a pneumatic actuator

I Onda, K Tadakuma, M Watanabe… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
Recently, soft robotics research has focused on mechanisms to control the stiffness of robot
structures. There are several types of variable stiffness mechanisms that can change the …

Bioinspired Bidirectional Stiffening Soft Actuators Enable Versatile and Robust Grasping

J Lin, J Ke, R Xiao, X Jiang, M Li, X Xiao, Z Guo - Soft Robotics, 2024 - liebertpub.com
The bending stiffness modulation mechanism for soft grippers has gained considerable
attention to improve grasping versatility, capacity, and stability. However, lateral stability is …

Endoskeleton Soft Multi-Fingered Hand with Variable Stiffness

D Pan, P Yan, Y Li, H Huang, B Li, H Liu - Soft Robotics, 2024 - liebertpub.com
The use of a soft multi-fingered hand in handling fragile objects has been widely
acknowledged. Nevertheless, high flexibility often results in decreased load capacity …

Modeling Contact Stiffness of Soft Fingertips for Grasping Applications

X Ma, L Chen, Y Gao, D Liu, B Wang - Biomimetics, 2023 - mdpi.com
Soft fingertips have distinct intrinsic features that allow robotic hands to offer adjustable and
manageable stiffness for grasping. The stability of the grasp is determined by the contact …

Lockable Lower-Limb Exoskeleton Based on a Novel Variable-Stiffness Joint: Reducing Physical Fatigue at Squatting

Z Ma, J Liu, G Ma, J Gao… - Journal of …, 2023 - asmedigitalcollection.asme.org
Some special tasks require human operations and cannot be performed by robots or other
autonomous equipment, such as special industrial assembly and surgical procedures in …