Motion Control

Drone Control: How the Human Brain Can Guide Robotic Swarms

Who needs a keyboard, a mouse, or a joystick? A researcher from Arizona State University wants to command machines with the human brain.

Posted in: News, News, Aeronautics, Aerospace, Aviation, Motion Control
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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 persistent problem faced by JPL engineers: how do you pack the greatest amount of spacecraft into the smallest volume possible?

Posted in: INSIDER, Aerospace, Joining & Assembly, Motion Control
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Self-Folding Electronics Could Enable Advanced Robotics

MIT researchers have developed a way to print flat electronics that can fold themselves into a desired shape. The researchers say the development could have applications in robotics and human-machine interfaces.

Posted in: INSIDER, Electronics, Motion Control, Robotics
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Webb Telescope Actuators Move with Microscopic Accuracy

The James Webb Space Telescope will be the most powerful space telescope ever built. With a 21-foot diameter, the telescope’s primary mirror is six times larger than the one used by the Hubble Space Telescope. In order for such a large mirror to travel into space, it has to be broken up into multiple segments; in this case, 18 of them. But for the 18 to act as one primary mirror, they have to be adjusted while in orbit.

Posted in: INSIDER, Joining & Assembly, Mechanical Components, Motion Control, Motors & Drives, Positioning Equipment, Optical Components, Optics
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Learning to Crawl: Origami Robot Moves Like an Earthworm

A new mechanical innovation unfolded this month at the University of Illinois at Urbana-Champaign as a team of engineers built a new kind of crawler robot. The wheel-less design takes inspiration from two unconventional sources: origami and the earthworm.

Posted in: News, Materials, Motion Control, Motors & Drives, Robotics
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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 stalling or overloading, and supply extremely broad torque and speed range. Generally available commercial air motors, however, have only 5% to 20% of ideal efficiency.

Posted in: INSIDER, Motion Control, Motors & Drives
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Robotic Gripper Cleans Up Space Debris

Currently there are about 500,000 pieces of human-made debris in space, orbiting our planet at speeds up to 17,500 miles per hour. This debris poses 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 in a vacuum, and traditional sticky substances like tape are largely useless because the chemicals they rely on can’t withstand extreme temperature swings.

Posted in: INSIDER, Motion Control, Robotics
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Wireless Magnetic Field Powers Folding Robots

A team of researchers at the Wyss Institute for Biologically Inspired Engineering and the John A. Paulson School of Engineering and Applied Sciences (SEAS) at Harvard University has created battery-free folding robots that are capable of complex, repeatable movements powered and controlled through a wireless magnetic field. The system requires only basic, passive electronic components on the robot to deliver an electric current, and the structure of the robot itself takes care of the rest.

Posted in: INSIDER, Motion Control, Robotics
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Soft Robot “Walks” on Any Terrain

Traditional robots often feature isolated mechanical joints. These discrete components limit a rover’s ability to traverse sand, stone, and other challenging environments. A team at the University of California San Diego has demonstrated a more flexible option: a soft robot that lifts its legs over obstacles and operates on a variety of terrains. The 3D-printed quadrupedal technology may someday support search-and-rescue missions requiring intelligent navigation capabilities.

Posted in: Briefs, Motion Control, Automation, Sensors and actuators, Sensors and actuators, Terrain, Kinematics, Additive manufacturing, Robotics, Autonomous vehicles
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High-Temperature Actuators Bend as They “Breathe”

The mechanical components are made from films that expand and contract as they let oxygen in and out.

Extreme temperatures are hard for mechanical components to endure without degrading. To address the problem, researchers at MIT worked with several other universities to develop a new way to make actuators that could be used in exceptionally hot environments.

Posted in: Briefs, Motion Control, Automation, Sensors and actuators, Sensors and actuators, Heat resistant materials, Materials properties, Test equipment and instrumentation
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