Results 41 to 50 of about 2,655,722 (289)

Programmable and Variable‐Stiffness Robotic Skins for Pneumatic Actuation

Advanced Intelligent Systems, 2023
Pneumatic soft actuators possess relatively fast response, inherent high flexibility, and achieve extraordinary shape morphing under large deformations. Conventionally, the entire body of soft pneumatic robots needs to be designed for specific applications.
Weinan Gao, Jingtian Kang, Guohui Wang, Haoxiang Ma, Xueyan Chen, Muamer Kadic, Vincent Laude, Huifeng Tan, Yifan Wang 0022   +8 more
openaire   +6 more sources

Torque and workspace analysis for flexible tendon driven mechanisms [PDF]

, 2010
Tendon driven mechanisms have been considered in robotic design for several decades. They provide lightweight end effectors with high dynamics. Using remote actuators it is possible to free more space for mechanics or electronics.
Chalon, Maxime, Hirzinger, Gerd, Thomas Wimböck, Wimboeck, Thomas, Gerd Hirzinger, Maxime Chalon   +5 more
core   +1 more source

On a Two-DoF Parallel and Orthogonal Variable-Stiffness Actuator: An Innovative Kinematic Architecture

Robotics, 2019
Variable-Stiffness Actuators are continuously increasing in importance due to their characteristics that can be beneficial in various applications. It is undisputed that several one-degree-of-freedom (DoF) solutions have been developed thus far.
Matteo Malosio, Francesco Corbetta, Francisco Ramìrez Reyes, Hermes Giberti, Giovanni Legnani, Lorenzo Molinari Tosatti   +5 more
doaj   +1 more source

Shape memory alloy based 3D printed composite actuators withvariable stiffness and large reversible deformation [PDF]

, 2021
Soft composite actuators can be fabricated by embedding shape memory alloy (SMA) wires into soft poly- mer matrices. Shape retention and recovery of these actuators are typically achieved by incorporating shape memory polymer segments into the actuator ...
Ge, Qi, Ge, Q.,, Sakhaei, Amir Hosein, Akbar, Saeed, Kowsari, Kavin, Kowsari, K.,, Akbari, Saeed,, Panjwani, S.,, Sakhaei, A. H.,, Panjwani, Sahil   +9 more
core   +1 more source

Design and Evaluation of a Novel Variable Stiffness Hip Joint Exoskeleton

Sensors
An exoskeleton is a wearable device with human–machine interaction characteristics. An ideal exoskeleton should have kinematic and kinetic characteristics similar to those of the wearer.
Tao Yang, Chifu Yang, Feng Jiang, Bowen Tian   +3 more
doaj   +1 more source

Characterization of Control-Dependent Variable Stiffness Behavior in Discrete Muscle-Like Actuators

Applied Sciences, 2018
This paper presents the modeling, characterization and validation for a discrete muscle-like actuator system composed of individual on–off motor units with complex dynamics inherent to the architecture.
Caleb Fuller, Joshua Schultz
doaj   +1 more source

Design and Control of a Discrete Variable Stiffness Actuator With Instant Stiffness Switch for Safe Human-Robot Interaction

IEEE Access, 2021
Variable Stiffness Actuators (VSA) have been proposed as an alternative actuation system for manipulators that are utilized for safe physical Human-Robot Interaction (pHRI). However, in the incidents of collision, the need of a fast response in stiffness
Irfan Hussain, Ahmad Albalasie, Mohammad I. Awad, Khaled Tamizi, Zhenwei Niu, Lakmal Seneviratne, Dongming Gan   +6 more
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

A novel design of shape-memory alloy-based soft robotic gripper with variable stiffness

International Journal of Advanced Robotic Systems, 2020
Soft robotic grippers with compliance have great superiority in grabbing objects with irregular shape or fragility compared with traditional rigid grippers.
Mingfang Liu, Lina Hao, Wei Zhang, Zhirui Zhao   +3 more
doaj   +1 more source

Novel Design and Modeling of a Soft Pneumatic Actuator Based on Antagonism Mechanism

Actuators, 2020
The soft actuator possesses the characteristics of flexibility, environmental adaptability, and human–machine interaction. Firstly, aiming to resolve the limitation of variable stiffness performance of a traditional pneumatic artificial muscle (PAM ...
Yinglong Chen, Junhao Zhang, Yongjun Gong   +2 more
doaj   +1 more source