Compliant, Large-Strain, and Self-Sensing Twisted String Actuators.
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DOI: 10.1089/soro.2020.0086
Abstract: Twisted string actuators (TSAs) convert rotational motion from twisting into linear motion. They are known for high energy efficiency, and large linear strain and stress outputs. Although they have been successfully applied as the moving… read more here.
Keywords: string actuators; self sensing; large strain; twisted string ... See more keywords
Elastomeric Continuously Variable Transmission Combined With Twisted String Actuator
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2020.3008123
Abstract: Electric motors, with a fixed reduction ratio, have a large unused operating region when mimicking muscle movements owing to the difference between the force-velocity curves of electric motors and muscles. This unused region can be… read more here.
Keywords: twisted string; reduction ratio; reduction; actuator ... See more keywords
Experimental Characterization and Modeling of the Self-Sensing Property in Compliant Twisted String Actuators
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2021.3056372
Abstract: Twisted string actuators (TSAs) have exhibited great promise in robotic applications by generating high translational force with low input torque. Despite great success, it remains a challenge to reliably estimate the strain of TSAs using… read more here.
Keywords: property; twisted string; sensing property; property compliant ... See more keywords
Active-Type Continuously Variable Transmission system based on a Twisted String Actuator
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DOI: 10.1109/lra.2022.3144782
Abstract: This paper presents an active-type twisted string actuator (TSA)-based continuously variable transmission (CVT). The proposed mechanism improves the advantage of the intrinsic CVT nature of TSA by compensating its non- linear transmission ratio (TR) with… read more here.
Keywords: active type; twisted string; tsa; transmission ... See more keywords
Kinematic Modeling and Open-Loop Control of A Twisted String Actuator-Driven Soft Robotic Manipulator
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DOI: 10.1115/1.4062466
Abstract: Realizing high-performance soft robots is challenging because many existing soft or compliant actuators exhibit limitations like fabrication complexity, high power requirement, slow actuation, and low force generation. Due to their high force output and power… read more here.
Keywords: modeling control; twisted string; open loop; driven soft ... See more keywords
A Twisted String, Flexure Hinges Approach for Design of a Wearable Haptic Thimble
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DOI: 10.3390/act10090211
Abstract: Wearable haptic devices in the shape of actuated thimbles are used to render the sense of touch in teleoperation and virtual reality scenarios. The design of similar devices has to comply with concurring requirements and… read more here.
Keywords: wearable haptic; string flexure; force; twisted string ... See more keywords
Overtwisting and Coiling Highly Enhances Strain Generation of Twisted String Actuators
Sign Up to like & getrecommendations! Published in 2022 at "Soft robotics"
DOI: 10.48550/arxiv.2209.11420
Abstract: Twisted string actuators (TSAs) have exhibited great promise in robotic applications by generating high translational force with low input torque. To further facilitate their robotic applications, it is strongly desirable but challenging to enhance their… read more here.
Keywords: overtwisting coiling; strain generation; twisted string; string actuators ... See more keywords