Results 181 to 190 of about 532,393 (243)
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A Variable-Stiffness Straight-Line Compliant Mechanism
Volume 5A: 39th Mechanisms and Robotics Conference, 2015In this research a variable-stiffness compliant mechanism was developed to generate variable force-displacement profiles at the mechanism’s coupler point. The mechanism is based on a compliant Robert’s straight-line mechanism, and the stiffness is varied by changing the effective length of the compliant links with an actuated slider.
Jeffrey C. Hawks +2 more
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Soft, Multi-DoF, Variable Stiffness Mechanism Using Layer Jamming for Wearable Robots
IEEE Robotics and Automation Letters, 2019Recently, vacuum-based layer jamming mechanisms have been actively researched for safe human–robot interaction. However, most conventional layer jamming mechanisms provide restricted motion in one direction such that their application in wearable robots ...
W. Choi +3 more
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Smart power suit with variable stiffness mechanism
RO-MAN 2004. 13th IEEE International Workshop on Robot and Human Interactive Communication (IEEE Catalog No.04TH8759), 2005Wearable robots, especially power suits to enhance human activity are one of most interesting topics. This study aims to develop a power suit installing a variable stiffness mechanism. In a previous study, we showed that the relation between impedance parameters of power suits and human performance, and verified the effectiveness of self impedance ...
T. Hayashi, T. Tanaka, M.Q. Feng
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IEEE Robotics and Automation Letters
Soft robots have garnered considerable attention recently due to their versatility, compliance, and myriad applications. However, the inherent low stiffness of soft robots also limits their stability and force output capability. Hence, variable stiffness
W. Yu +4 more
semanticscholar +1 more source
Soft robots have garnered considerable attention recently due to their versatility, compliance, and myriad applications. However, the inherent low stiffness of soft robots also limits their stability and force output capability. Hence, variable stiffness
W. Yu +4 more
semanticscholar +1 more source
Variable Stiffness Mechanism for Suppressing Unintended Forces in Physical Human–Robot Interaction
Journal of Mechanisms and Robotics, 2019This paper presents the design of a two-degrees-of-freedom (DoFs) variable stiffness mechanism and demonstrates how its adjustable compliance can enhance the robustness of physical human–robot interaction.
S. Jujjavarapu +3 more
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Variable Antagonistic Stiffness Element Using Tensegrity Mechanism
Volume 9: Mechanical Systems and Control, Parts A, B, and C, 2007Tensegrity mechanisms are self-stressing mechanisms and it is known that the prestress of the elements affect the stiffness of the tensegrity. In this paper stiffness of a spatial tensegrity is studied for the purpose of the noise and vibration control and it is shown that an efficient variable stiffness element can be designed by using tensegrities ...
M. Azadi, S. Behzadipour
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Design and Modelling of a Compact Variable Stiffness Mechanism for Wearable Elbow Exoskeletons
International Conference on Control, Mechatronics and Automation, 2019This paper presents a compact variable stiffness mechanism (VSM) with reconfigurability. The VSM is able to achieve variable stiffness in adjustable ranges, due to its reconfigurable design. The new VSM features with a compact and light weight structure,
Zhongyi Li, S. Bai
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A Study on Wave Energy Converter with Variable Stiffness Mechanism
International Conference on Model Transformation, 2019This paper presents a new wave energy converter (WEC) concept with variable stiffness mechanism (VSM). The WEC system includes four main components: a frame structure; a buoy with guiding shaft; a VSM with a ball screw, two pre-tension springs, motor and
T. Dang, M. Nguyen, K. Ahn
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Design and Analysis of a Variable Stiffness Mechanism
Volume 2: 34th Annual Mechanisms and Robotics Conference, Parts A and B, 2010The design and analysis of a mechanism with variable stiffness is examined. The mechanism, which is a simple arrangement of two springs, a lever arm and a pivot bar, has an effective stiffness that is a rational function of the horizontal position d of the pivot. The external pure force acting on the system is constrained to always remain vertical. The
Olugbenga M. Anubi +2 more
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IEEE-RAS International Conference on Humanoid Robots, 2018
Future robots will rely more than today on high precision, better energy efficiency and safe handling (e.g. human-machine interaction). An inevitable step in the development of new robots is therefore the improvement of existing mechanisms, since better ...
C. Stoeffler +5 more
semanticscholar +1 more source
Future robots will rely more than today on high precision, better energy efficiency and safe handling (e.g. human-machine interaction). An inevitable step in the development of new robots is therefore the improvement of existing mechanisms, since better ...
C. Stoeffler +5 more
semanticscholar +1 more source