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Motion Control

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Briefs: Motion Control
Robotic Gripper Cleans Up Space Debris

Large amounts of existing space debris pose a threat to satellites, space vehicles, and astronauts aboard those vehicles. However, cleaning up the debris is problematic. For example, suction cups don't work...

Briefs: Motion Control
Computational Tool Simplifies Creating Machines That Bend

Replacing rigid joints and linkages with mechanisms that bend offers a number of potential advantages, even as it makes designing devices more difficult. A computational design tool...

Articles: Motion Control
Selecting the Correct Actuator

The need for actuators has grown exponentially. Nearly everywhere you look you can see pneumatic, hydraulic, or electric actuator systems at work in an endless variety of applications. There are many stereotypes...

Briefs: Motion Control
Electromagnetic Actuator Decouples Linear and Rotary Motions

A lightweight module for rapid, accurate, and versatile positioning of semiconductor chips features a novel electromechanical actuator that can move objects both linearly and...

Articles: Motion Control
MOTOR DRIVES: Build or Buy

Every system design presents a unique set of specifications regarding cost, space, time-to-market, and other factors. Designers must therefore make tradeoffs to meet these requirements, such as opting for a higher priced...

Articles: Motion Control
Inch vs. Metric Ball Screws: Are You Asking the Right Questions?

Because ball screws are available in both inch and metric dimensions, designers sometimes begin the specification process by selecting a product family based on the unit of measure....

Application Briefs: Motion Control
Nano-Motion Stages Rely on High-Precision Encoders for Accuracy and Repeatability

ALIO Industries designs and builds very high precision automation stages for nano-level manufacturing and research applications, including microlithography, medical...

Briefs: Motion Control
Wireless Magnetic Field Powers Folding Robots

Folding robots based on origami have emerged as an exciting new frontier of robotic design. However, they generally require onboard batteries or a wired connection to a power source, making them...

Briefs: Motion Control
Harmonic Air Motor Offers Very High Efficiency

Currently available air motors have many advantages over electric motors. They are more compact, lighter-weight, instantly reversible without sparking, create no heat buildup, are undamaged by...

INSIDER: Mechanical & Fluid Systems
Origami Techniques Expand Compacted Spacecraft

Origami has once again inspired engineers at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, California. Besides aesthetic beauty, the Japanese tradition of paper-folding addresses a...

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