Research and analysis of resonant and stiffness of cylindrical dielectric elastomer actuator
Materials Research Express, 2021 Dielectric elastomer actuators draw great interest in the emerging technology of soft actuations. The drifting of resonance frequency and variable stiffness are commonly existed in soft actuations.
Jin Li +4 more
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Elastic Actuator Design Based on Bending of Cylindrical Beam for Robotic Applications
Actuators, 2020 The lack of suitable actuators has hampered the development of high-performance machines or robots that can compete with living organisms in terms of motion, safety, and energy efficiency.
Reis Murat +2 more
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Variable Impedance Actuators: Moving the Robots of Tomorrow [PDF]
, 2012 Most of today's robots have rigid structures and actuators requiring complex software control algorithms and sophisticated sensor systems in order to behave in a compliant and safe way adapted to contact with unknown environments and humans.
Lefeber, D. +47 more
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Variable Stiffness Conductive Composites by 4D Printing Dual Materials Alternately
Micromachines, 2022 Materials that can be designed with programmable properties and which change in response to external stimuli are of great importance in numerous fields of soft actuators, involving robotics, drug delivery and aerospace applications.
Fei Long +4 more
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A Two-Degree of Freedom Variable Stiffness Actuator Based on the MACCEPA Concept
Actuators, 2014 The current state-of-the-art of variable stiffness actuators consists mostly of different concepts for single-degree of freedom joints. However, in bio-inspired robotic applications, multiple degrees of freedom variable stiffness actuators are often ...
Maarten Weckx +6 more
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An Electric Self‐Sensing and Variable‐Stiffness Artificial Muscle
Advanced Intelligent Systems, 2023 Soft robots have better flexibility than their rigid counterparts thus offering greater adaptability to changing environments. These robots made from flexible materials are generally with low stiffness and have limited capability to perform tasks that ...
Chen Liu +2 more
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A Variable Stiffness Actuator Based on Leaf Springs: Design, Model and Analysis
Actuators, 2022 In order to adapt to complex and changeable mechanical conditions and make the deformable mechanisms perform well statically and dynamically, variable stiffness joints have been studied extensively.
Yifan Lu +5 more
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A Stiffness Estimator for Agonistic–Antagonistic Variable-Stiffness-Actuator Devices [PDF]
IEEE Transactions on Robotics, 2014 Safe Physical Human Robot Interaction, conservation of energy and adaptability are just the main robotic applications that prompted the development of a number of Variable Stiffness Actuators (VSA). Implemented in a variety of ways, they use various technologies, and feature the most diverse mechanical solutions, all of which share a fundamentally ...
Tomas Menard +2 more
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Time-Energy Optimal Trajectory Planning for Variable Stiffness Actuated Robot
IEEE Access, 2019 A variable stiffness actuator is inspired by the human motor control and is the most popular actuator used to exploit the human performance and human-like motion.
Chen Ji, Minxiu Kong, Ruifeng Li
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Analysis of Variable-Stiffness Characteristics of Variable-Stiffness Elastic Actuator
, 2023 In order to improve the stiffness of the flexible robot,this paper proposes a variable-stiffness elastic actuator to improve the rigidity of flexible robots. The actuator integrates the working principles of a pneumatic drive, wedge structure, and particle blockage. the tensile stiffness of the actuator is nonlinearly negatively correlated with the air
He Peng, Xia Wang, Dexu Geng, Wenzhi Xu
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