Results 21 to 30 of about 774 (176)

Study on the Performance of Electrothermal Shape Memory Alloy and Magnetorheological Combined Drive

open access: yesJixie chuandong, 2021
In order to overcome the disadvantage of small transfer torque in single magnetorheological drive, a combined drive method of electrothermal shape memory alloy(SMA) and magnetorheological is proposed, which can improve the transfer torque of drive device.
Yang Xiong, Jin Huang, Ruizhi Shu
doaj  

Magnetorheological Fluid‐Based Flow Control for Soft Robots

open access: yesAdvanced Intelligent Systems, 2020
Fluidic soft robots bring a high degree of dexterity and adaptability to robotics problems requiring safe interactions with complex structures. While they are low cost and easy to manufacture, they are difficult to control due to their typical reliance ...
Kevin McDonald   +4 more
doaj   +1 more source

The influence of aspect ratio on the properties of cobalt nanowire-based magnetorheological fluids

open access: yesInternational Journal of Smart and Nano Materials, 2022
The yield stress of magnetorheological (MR) fluids has been shown to depend on particle morphology, but the exact nature of this contribution is still not fully understood. In this study, MR fluids containing 4 vol.
R. C Bell, N. M Wereley
doaj   +1 more source

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

open access: yesAdvanced 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   +2 more
wiley   +1 more source

Preparation and rheological properties of highly stable bidisperse magnetorheological fluids

open access: yesAIP Advances
The utilization of magnetic nanofluids as the base carrier liquid proves to be an effective strategy for enhancing the stability of magnetorheological fluids.
Qichen Zhu, Jiajun Jiang, Zhangyong Wu
doaj   +1 more source

Preparation and characterisation of cobalt and cobalt-zinc ferrites for magnetorheological materials

open access: yesКонденсированные среды и межфазные границы, 2022
The aim of this study was to study the structure, morphology, magnetic, and magnetorheological properties of cobalt and cobalt-zinc ferrite powders to be used as a functional component of magnetorheological fluids. Ferrites of cobalt CoFe2O4
Yulyan S. Haiduk   +5 more
doaj   +1 more source

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li   +4 more
wiley   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

Tribological Behavior of Glycerol/Water-Based Magnetorheological Fluids in PMMA Point Contacts

open access: yesFrontiers in Materials, 2019
Comprehension of the tribological behavior of magnetorheological fluids is crucial for many applications, in particular for those related with high quality surface finishing.
Wagner O. Rosa   +2 more
doaj   +1 more source

A Self‐Healing Permanent Magnet Putty for Soft Robot Skins With Force Sensing and Functional Recovery

open access: yesAdvanced Robotics Research, EarlyView.
Permanent magnet putty (PMP) integrates high‐coercivity NdFeB particles with a dynamic polyborosiloxane–Ecoflex matrix, achieving rapid self‐healing (90% mechanical recovery in 10 s) and magnetic recovery within 20 min. With twice the sensitivity of commercial putties, PMP enables precise 5–30 N force detection and discrimination between pressing and ...
Ruotong Zhao   +5 more
wiley   +1 more source

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