Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Magnetic Damping01:17

Magnetic Damping

1.3K
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
1.3K
Electro-mechanical Systems01:19

Electro-mechanical Systems

1.3K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Cross-Modal Feature Adapter for Few-Shot Human Activity Recognition.

IEEE journal of biomedical and health informatics·2026
Same author

Motion prediction for leader manipulator of teleoperation system with large time delay based on inverse optimal control.

ISA transactions·2026
Same author

Dual-Modal Safety Framework for Robotic-Assisted Bronchoscopy via Endoscopic Vision and Haptic Feedback.

The international journal of medical robotics + computer assisted surgery : MRCAS·2026
Same author

Bridging technology and pedagogy: evaluation of an interprofessional course on technology-enhanced learning for health professions educators.

Frontiers in medicine·2026
Same author

Giant bulk photovoltaic effect in an iron-based magnetic semiconductor.

Nature communications·2026
Same author

Towards Interpretable Seizure Detection: An Excitation/Inhibition Dynamic Polynomial Network Framework for Electroencephalography.

Sensors (Basel, Switzerland)·2026

Related Experiment Video

Updated: May 7, 2026

Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches
10:58

Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches

Published on: July 22, 2025

807

Design, Analysis, and Characterization of a Small-Scale High-Torque Magnetorheological Brake for Haptic Applications.

Yiting Mo, Aiguo Song, Huanhuan Qin

    IEEE Transactions on Haptics
    |May 5, 2026
    PubMed
    Summary

    This study introduces a novel dual multi-drum magnetorheological (MR) brake for haptic devices. The compact MR actuator achieves high torque output, overcoming limitations in small-scale haptic feedback systems.

    More Related Videos

    Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
    06:45

    Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

    Published on: October 28, 2022

    1.7K
    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
    08:59

    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators

    Published on: June 13, 2022

    2.0K

    Related Experiment Videos

    Last Updated: May 7, 2026

    Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches
    10:58

    Parametric Optimization Design Method for Friction Plates of Hydro-Viscous Clutches

    Published on: July 22, 2025

    807
    Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
    06:45

    Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

    Published on: October 28, 2022

    1.7K
    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
    08:59

    Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators

    Published on: June 13, 2022

    2.0K

    Area of Science:

    • Mechanical Engineering
    • Robotics
    • Materials Science

    Background:

    • Magnetorheological (MR) actuators face challenges in balancing high torque output with compact form factors for haptic applications.
    • Torque in MR actuators typically degrades rapidly as dimensions are reduced, limiting their use in user-friendly devices.

    Purpose of the Study:

    • To propose and evaluate a novel small-scale, high-torque MR brake with a dual multi-drum configuration for enhanced haptic feedback.
    • To maximize active shear areas within a limited volume to achieve significant torque output without compromising compactness.

    Main Methods:

    • A novel dual multi-drum configuration was designed, featuring two MR shear regions activated simultaneously by a single electromagnetic coil.
    • The brake prototype was optimized for compact dimensions (Ø29.2×44 mm) and low mass (171.5 g).
    • Performance was evaluated by measuring peak torque, torque-to-volume ratio, and torque-to-mass ratio, and by constructing a handheld haptic device.

    Main Results:

    • The optimized MR brake achieved a peak torque of 1165.4 mN·m.
    • Exceptional torque-to-volume (39.6 kN/m²) and torque-to-mass (6.8 mN·m/g) ratios were obtained, surpassing comparable MR brakes.
    • The haptic device demonstrated controllable torque rendering with a just noticeable difference of 54.18 ± 17.73 mN·m.

    Conclusions:

    • The proposed dual multi-drum MR brake effectively addresses the challenge of achieving high torque in compact actuators.
    • This technology shows significant potential for developing advanced, small-scale haptic actuation systems.
    • The design offers a viable solution for improving kinesthetic feedback in user-centric applications.