An overview of stiffening approaches for continuum robots

Y Fan, B Yi, D Liu - Robotics and Computer-Integrated Manufacturing, 2024 - Elsevier
Continuum robots have become more popular recently due to their scalable dexterity and
mobility. However, they may suffer from issues like insufficient stiffness because they are …

Design and modeling of a parallel-pipe-crawling pneumatic soft robot

Z Zhang, X Wang, S Wang, D Meng, B Liang - IEEE access, 2019 - ieeexplore.ieee.org
Soft robots have unique advantages over traditional rigid robots and have broad application
prospects in many fields, such as pipe inspections. Several of the reported pipe-crawling soft …

A novel variable stiffness soft robotic gripper

DDK Arachchige, Y Chen, ID Walker… - 2021 IEEE 17th …, 2021 - ieeexplore.ieee.org
Compliant grasping is crucial for secure handling objects not only vary in shapes but also in
mechanical properties. We propose a novel soft robotic gripper with decoupled stiffness and …

Model-based robust tracking control without observers for soft bending actuators

G Cao, B Huo, L Yang, F Zhang, Y Liu… - IEEE Robotics and …, 2021 - ieeexplore.ieee.org
It is of great importance to improve the performance of soft bending actuators with simpler
control laws. Considering that the velocity information of soft actuators cannot be measured …

A generalizable equilibrium model for bending soft arms with longitudinal actuators

G Olson, S Chow, A Nicolai… - … Journal of Robotics …, 2021 - journals.sagepub.com
Current models of bending in soft arms are formulated in terms of experimentally
determined, arm-specific parameters, which cannot evaluate fundamental differences in soft …

Creating a flexible continuum robot using origami and mortise-tenon structure

Y Yu, L Qiu, S Dai, C Li, D Wang - Mechanism and Machine Theory, 2022 - Elsevier
The continuum robot is a bionic robot with infinite freedom and adaptability to unstructured
environments. This paper creates a flexible continuum robot using origami and mortise …

Toward tradeoff between impact force reduction and maximum safe speed: Dynamic parameter optimization of variable stiffness robots

S Song, Y She, J Wang, HJ Su - Journal of …, 2020 - asmedigitalcollection.asme.org
Variable stiffness robots may provide an effective way of trading-off between safety and
speed during physical human–robot interaction. In such a compromise, the impact force …

HISSbot: Sidewinding with a soft snake robot

F Rozaidi, E Waters, O Dawes, J Yang… - … Conference on Soft …, 2023 - ieeexplore.ieee.org
Snake robots are characterized by their ability to navigate through small spaces and loose
terrain by utilizing efficient cyclic forms of locomotion. Soft snake robots are a subset of these …

Modeling and control of inherently safe robots with variable stiffness links

S Song, X Zeng, Y She, J Wang, HJ Su - Robotics and Autonomous …, 2019 - Elsevier
In this paper, the modeling, control design, and trajectory planning for inherently safe robots
with variable stiffness links (VSL) are investigated. Firstly, a dynamic model of VSL robots is …

A novel variable stiffness compound extensor-pneumatic artificial muscle (ce-pam): Design and mathematical model

W Al-Mayahi, H Al-Fahaam - Journal of Robotics and Control …, 2023 - journal.umy.ac.id
Pneumatic artificial muscles (PAMs) have been exploited in robots utilized in various fields,
including industry and medicine, due to their numerous advantages, such as their light …