Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

One-Degree-of-Freedom System

One-Degree-of-Freedom System

In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...

Magnetic Damping

Magnetic Damping

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...

Magnetic Force

Magnetic Force

In addition to the electric forces between electric charges, moving electric charges exert magnetic forces on each other. A magnetic field is created by a moving charge or a group of moving charges known as the electric current. A magnetic force is experienced by a second current or moving charge in response to this magnetic field. Fundamentally, interactions between moving electrons in the atoms of two bodies produce magnetic forces between them.
The magnetic force acting on a moving charge...

You might also read

Related Articles

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

Sort by

Same author

Single oxidizable moiety enables complete defluorination of per- and polyfluoroalkyl substances in heat-activated persulfate.

Water research·2026

Same author

A SUZ12-marked epithelial dedifferentiation state with immune co-expression in pancreatic ductal adenocarcinoma.

Computational biology and chemistry·2026

Same author

Miniature Soft Robot With Magnetically Reprogrammable Surgical Functions.

Advanced materials (Deerfield Beach, Fla.)·2026

Same author

Constructing stereogenic sulfur(VI) centers by catalytic desymmetrization: strategies and prospects.

Chemical communications (Cambridge, England)·2026

Same author

From plant to predator: glyphosate trophic transfer harms ladybird physiology and reproduction.

Pest management science·2026

Same author

Age disparities in PFAS-associated influenza-like illness among adult females at low exposure levels.

Journal of hazardous materials·2026

Same journal

Generating Unconventional Spin-Orbit Torques With Patterned Phase Gradients in Tungsten Thin Films.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

An In Situ H<sub>2</sub>S-Activated Plasmonic Nanozyme for Near-Infrared II Photo-Thermoelectric Catalytic Therapy.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

A Recyclable and Sustainable Hydroxypropyl Methylcellulose Electrolyte for Electrochromic Devices.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Perovskite Heterostructures for Optoelectronic Applications.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Light-Written Nonvolatile Polarization via Defect-Engineered Charge Trapping.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Nucleation-Controlled Synthesis and a Unified Descriptor for Rational Interlayer Design of Vanadium-Oxide Cathodes toward High-Performance Zinc-Ion Batteries.

Advanced materials (Deerfield Beach, Fla.)·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Nov 7, 2025

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

Small-Scale Magnetic Actuators with Optimal Six Degrees-of-Freedom.

Changyu Xu¹, Zilin Yang¹, Guo Zhan Lum¹

¹Nanyang Technological University, School of Mechanical and Aerospace Engineering, 50 Nanyang Avenue, Singapore, 639798, Singapore.

Advanced Materials (Deerfield Beach, Fla.)

|May 3, 2021

Summary

This summary is machine-generated.

New magnetic miniature robots (MMRs) achieve significantly faster motion and new soft-bodied capabilities. This breakthrough enhances control and expands applications for these versatile, magnetically actuated devices.

Keywords:

actuators locomotion magnetic materials miniature robots small-scale assembly soft robots

More Related Videos

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

Published on: July 18, 2018

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

Related Experiment Videos

Last Updated: Nov 7, 2025

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

Published on: July 18, 2018

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

Area of Science:

Robotics
Materials Science
Biomedicine

Background:

Magnetic miniature robots (MMRs) offer non-invasive access to confined spaces.
Current six-degrees-of-freedom (six-DOF) MMRs face limitations in angular velocity and soft-bodied functionalities.

Purpose of the Study:

To develop an improved fabrication method for MMRs with enhanced torque capabilities.
To introduce a universal actuation method for both rigid and soft six-DOF MMRs.
To overcome the limitations of existing MMRs for broader applications.

Main Methods:

A novel fabrication technique to magnetize MMRs for increased sixth-DOF torque.
A universal actuation strategy applicable to rigid and soft MMRs.
Experimental validation of enhanced motion control and soft-body functionalities.

Main Results:

Fabricated MMRs exhibit 51-297 times greater sixth-DOF torque compared to existing actuators.
Achieved sixth-DOF angular velocities of 173 degrees/s, a significant increase from 4 degrees/s.
Demonstrated unprecedented soft-body functionalities, including barrier traversal by a jellyfish-like robot and faster assembly by a gripper.

Conclusions:

The new fabrication and actuation methods significantly enhance MMR performance, particularly in sixth-DOF motion and soft-body applications.
These advancements address critical limitations, paving the way for wider adoption of MMRs in diverse fields.
The developed soft MMRs showcase novel capabilities for complex tasks in challenging environments.