Motion Control

Motion Control

Browse innovative developments in motion control technologies. Find essential news, technical briefs, and applications used in PID controllers, servo motors, direct drive solutions, autonomous positioning, and motion-related components.

News : Electronics & Computers
Ocean Gliders Measure Melting Polar Ice

The rapidly melting ice sheets on the coast of West Antarctica are a potentially major contributor to rising ocean levels worldwide. Although warm water near the coast is thought to be the main factor causing the ice to melt, the process by which this water ends up near the cold continent is not well...

News : Motion Control
Engineers Harvest and Print Parts for New Breed of Aircraft

Student interns and engineers at NASA's Ames Research Center rapidly prototyped and redesigned aircraft using 3D-printed parts. The aircraft was custom-built by repurposing surplus Unmanned Aerial Vehicles (UAVs). By lengthening the wings, the team was able to improve aerodynamic...

News : Energy
2-in-1 Motor Increases Range of Electric Cars
2-in-1 Motor Increases Range of Electric Cars

Scientists from Nanyang Technological University (NTU) and German Aerospace Centre (DLR) have invented a 2-in-1 electric motor that increases the range of electric vehicles. The engine integrates...

2-in-1 Motor Increases Range of Electric Cars
News : Medical
Pulley Mechanism Improves Hand Function After Surgery

Engineers at Oregon State University have developed and successfully demonstrated a simple pulley mechanism to improve hand function after surgery. The device is one of the first instruments ever created that could improve the transmission of mechanical forces and movement while implanted...

News : Imaging
Underwater Robot Skims for Port Security

MIT researchers unveiled an oval-shaped submersible robot, a little smaller than a football, with a flattened panel on one side that it can slide along an underwater surface to perform ultrasound scans.

Originally designed to look for cracks in nuclear reactors’ water tanks, the robot could also...

Articles : Motion Control
Analyzing 6-Pulse Drive Harmonic Mitigation Techniques for Industrial Automation

Contemporary industrial automation control systems are employing variable frequency drives (VFDs) in ever-increasing numbers. VFDs give control engineers flexibility to precisely regulate the speed and torque of motors in a wide array of applications. The...

Articles : Motion Control
Reliable Locking in High-Vibration Environments

Today’s PCB plug-in connectors must accommodate many trends, including increasing miniaturization, rising levels of performance of electronic components, and growing complexity in machine and system engineering.

News : Robotics, Automation & Control
Robotic Fabric Moves and Contracts

Researchers are developing a robotic, sensor-embedded fabric that moves and contracts. Such an elastic technology could enable a new class of soft robots, stretchable garments, "g-suits" for pilots or astronauts to counteract acceleration effects, and lightweight, versatile robots to roam alien landscapes...

News : Lighting
Researchers Equip Robot with Novel Tactile Sensor

Researchers at MIT and Northeastern University have equipped a robot with a novel tactile sensor that lets it grasp a USB cable draped freely over a hook and insert it into a USB port.

The sensor is an adaptation of a technology called GelSight, which was developed by the lab of Edward Adelson,...

News : Robotics, Automation & Control
New Algorithm Lets Cheetah Robot Run

Speed and agility are hallmarks of the cheetah: The big predator is the fastest land animal on Earth, able to accelerate to 60 mph in just a few seconds. As it ramps up to top speed, a cheetah pumps its legs in tandem, bounding until it reaches a full gallop.

Now MIT researchers have developed an algorithm...

News : Motion Control
Untethered Soft Robot Walks Through Flames

Developers from Harvard’s School of Engineering and Applied Sciences and the Wyss Institute for Biologically Inspired Engineering have produced the first untethered soft robot — a quadruped that can stand up and walk away from its designers.

The researchers were able to scale up earlier...

Articles : Motion Control
Selecting the Proper Motor for Linear Motion Applications

Linear motion systems are found inside countless machines including precision laser cutting systems, laboratory automation equipment, semiconductor fabrication machines, CNC machines, factory automation, and many others too numerous to list. They range from the relatively simple such as...

Articles : Motion Control
Design Considerations for Gearmotors in Long-Life Applications

At first glance, the photo at the top is not appealing to any market — a pallet full of old gearmotors is not something one wants to think about after purchasing the necessary gearmotor/motor for their application. But think of it this way instead: these gearmotors were removed...

Application Briefs : Motion Control
Wing-Flapping Aircraft Hovers and Flies

Life-sized, hummingbird-like, unmanned surveillance aircraft weighs two-thirds of an ounce, including batteries and video camera.

The Nano Hummingbird is a miniature aircraft developed under the Nano Air Vehicle (NAV) program funded through the Defense Advanced Research Projects Agency (DARPA)....

News : Software
NASA Tests Robot Swarms for Autonomous Movement

NASA engineers and interns are testing a group of robots and related software that will show whether it's possible for autonomous machines to scurry about an alien world such as the Moon, searching for and gathering resources just as an ant colony does.

News : Propulsion
NASA Begins Engine Test of Space Launch System Rocket

Engineers are preparing to test parts of NASA's Space Launch System (SLS) rocket that will send humans to space. They installed an RS-25 engine on the A-1 Test Stand at Stennis Space Center. The Stennis team will perform developmental and flight certification testing of the RS-25 engine, a...

News : Energy
Students Learn On-the-Fly Engineering in Solar Car Competition

Nine teams of solar powered model cars competed during the inaugural Junior Solar Sprint (JSS) competition held at the STEM Education and Outreach Center at Aberdeen Proving Ground, MD. The JSS is a nationwide competition funded by the Army Educational Outreach Program, which...

News : Energy
'Active' Surfaces Control How Particles Move

Researchers at MIT and in Saudi Arabia have developed a new way of making surfaces that can actively control how fluids or particles move across them. The work might enable new kinds of biomedical or microfluidic devices, or solar panels that could automatically clean themselves of dust and...

Articles : Motion Control
Redundant Sensors Improve Precision and Reliability

Some machine processes, such as presses, can require extreme accuracy in applying and holding force on an object. A popular way to measure force is via load cells. But what do you do when the accuracy required by a particular application is higher than that guaranteed by the load cell...

Application Briefs : Motion Control
Motion Control System Gives Farmers a Hands-Free Approach in Vehicles

The important job of a farmer requires long hours of field work. The often monotonous tasks of driving agricultural vehicles to work long rows in the field — whether it be planting, maintenance, or harvesting — is undeniably arduous and fraught with potential for human...

Briefs : Motion Control
Compact Active Vibration Control System

This innovation consists of an analog controller, diamond-shaped patch actuator, and point sensors (such as accelerometers). The actuator is designed to couple to the flexural response of the structure in the same manner as a group of point sensors. This results in a co-located transducer pair. The signals...

Briefs : Motion Control
Deep Throttling Turbopump

Advancement in space exploration necessitates deep throttling of liquid cryogenic rocket engines. Both lunar and Martian robotic and human exploration require engines that can be deep throttled,can start and restart, have a long life, and require minimal maintenance. An engine that is capable of deep throttling at low...

Briefs : Motion Control
Analyzing Rollover Stability of Capsules With Airbags Using LS-Dyna

As NASA moves towards developing technologies needed to implement its new Exploration program, studies conducted for Apollo in the 1960s to understand the rollover stability of capsules landing are being revisited. Although rigid body kinematics analyses of the rollover behavior...

Briefs : Motion Control
Test Fixture for Isolation of Vibration Shaker from G-Loading

The first step in implementing the capability to test sensitive launch vehicle instruments in a combined environment has been completed. The test environment consists of specific vibration spectra induced under sustained Gs, using NASTAR’s ATFS-400 centrifuge. Fixtures allow...

Briefs : Motion Control
Rotary Series Elastic Actuator

In order to perform human-like movement, an actuator is placed at each degree of freedom (DOF) in a humanoid robot. Additionally, these actuators must be packaged in an arrangement that approximates human structure and appearance. In this innovation, a rotary actuator assembly incorporates a brushless DC motor, a...

Products : Motion Control
Linear Motor Stages

Prior Scientific (Rockland, MA) offers HLD117 linear motor stages for microscope automation. They feature repeatability of 0.15 μm, scanning speeds of up to 300 mm per second, and low-velocity ripple even at speeds down to one micron per second. A low-profile, flat-top design and ultra-quiet operation make the stage suited...

Products : Motion Control
Position Sensors

ams AG (Raleigh, NC) has introduced the 47 Series magnetic position sensors featuring a technology capable of producing accurate angle measurements of rotors spinning at high speed. The sensors feature DAEC™ (Dynamic Angle Error Compensation), a patent-pending technology that eliminates the measurement error attributable to...

Products : Motion Control
Part Gripper

The EGP from SCHUNK (Morrisville, NC) is an electric small part gripper that weighs 110 g, and has a stroke of 3 mm per finger. The gripping force can be adjusted on two stages, and its maximum gripping force amounts to 40 N. The gripper can handle workpieces of up to 200 g. Its closing time amounts to 0.09 s. The maintenance-free...

Products : Motion Control
Optical Encoders

POSITAL-FRABA America (Hamilton, NJ) has introduced optical encoders with EtherCAT that provide high-speed data for positioning and speed control with cycle times of up to 62 μs. Using a distributed clock function, they allow users to synchronize axes with a deviation of <1 μs. The EtherCAT encoders support cable...

Products : Motion Control
Encoder System

The ATOM™ non-contact optical linear and rotary incremental encoder system from Renishaw (Hoffman Estates, IL) combines miniaturization with dirt immunity and signal stability. It features a readhead as small as 6.7 x 12.7 x 20.5 mm, and uses filtering optics with Auto Gain Control (AGC) and Auto Offset Control (AOC). The system...