Mechanical/​Mechatronics

Automotive

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Briefs: Robotics, Automation & Control
Precision Low-Speed Motor Controller
Innovators at NASA Johnson Space Center have developed a method for controlling precise motion of a brushless DC (BLDC) motor using relatively inexpensive components. Precision motors are usually quite expensive and inefficient when operating at slow speeds. Current motors are only capable of operating at...
Briefs: Software
Future Unmanned Aerial Systems (UAS) and air taxis will require advanced onboard autonomy to operate safely within complex and dynamic urban environments. Urban landscapes are...
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Briefs: Lighting
An optical setup developed by researchers at Sandia's Combustion Research Facility and the Technical University of Denmark can now quantify the formation of soot — particulate matter consisting...
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Briefs: Automotive
The technological ramp to fully autonomous vehicles presents significant challenges for companies developing autonomous vehicle programs. Advanced sensor technology, high-speed and...
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Briefs: Transportation
Effects of Reynolds and Mach Numbers in Large Eddy Simulation of Supersonic Round Jets
Rockets/landers arrive on the Moon with supersonic speed and impact lunar regolith. There is no reliable software to computationally simulate in an effective way the supersonic plumes escaping from these rockets/devices. A Large Eddy Simulation (LES) model and...
Blog: Data Acquisition
Answering Your Questions: What Areas of Study Are Desirable for the Autonomous Industry?
With self-driving vehicles poised to take the road, how can today’s engineers prepare themselves to support an autonomous future?
Blog: Automotive
Tesla uses batteries to store energy underneath the car seats. What if we could store energy everywhere on the vehicle?
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Question of the Week: Mechanical & Fluid Systems
Will ‘Developable Mechanisms’ Solve Complex Tasks?
Brigham Young University engineers have created "developable mechanisms" that they hope to use in components like surgical instruments, adjustable airplane wings, robotic arms, or vehicle cylinders. Watch the demo on Tech Briefs TV, to see how the flat shapes can be converted into 3D figures.
Blog: Imaging
Answering Your Questions: Are There Regulations for Machine Learning in Vehicles?
How do you regulate a system that, in effect, is learning as it goes?
Special Reports: Propulsion
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Powertrain - February 2019
The latest powertrain innovations for cars and commercial vehicles are featured in this Special Report, a compendium of recent articles from the editors of Automotive Engineering and Truck & Off-Highway...

Briefs: Mechanical & Fluid Systems
RTM370 imide resin was developed to address the limitations of conventional imide resins, which are generated from commercially available symmetrical biphenyl dianhydride...
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Articles: Motion Control
Different types of motion encountered in dynamic environments require designers to specify connectors for boards, wiring, and devices that can meet significant g-forces,...
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Question of the Week: Automotive
Do You Feel Safe Behind the Wheel of a Connected Car?
Our Here's an Idea podcast episode led the INSIDER today, and explored how today's auto manufacturers are working to protect connected cars from a range of threats, including ransomware and a remote takeover of the vehicle's controls.
Podcasts: Data Acquisition
Today's cars are more connected than ever before — and manufacturers need to ensure those connections are secure.
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Blog: Sensors/Data Acquisition
David Barzilai from Karamba Security tells Tech Briefs what threats to the connected car concern him the most.
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Question of the Week: Automotive
Do You Expect Successful Cyberattacks on Today’s Connected Cars?
In today’s lead story, Stacy Janes showed optimism regarding the security of connected cars.
Briefs: Electronics & Computers
Innovators at NASA's Glenn Research Center have expanded their growing portfolio of aerogels to include a new optically transparent polyimide aerogel. Aerogels — low-density, highly porous, ultralight...
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Briefs: Photonics/Optics
Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at the...
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Application Briefs: Software
MaplesoftWaterloo, ON, Canadawww.maplesoft.com The demand for innovation is universal across industries, as new products are required to meet higher performance standards without slowing the overall...
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Articles: Mechanical & Fluid Systems
Ultrashort pulse (USP) lasers for precision micromachining can minimize or avoid undesirable thermal effects that limit feature resolution, edge quality and, ultimately, product functionality. This is because...
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Blog: Software
Irdeto's Stacy Janes tells Tech Briefs if he feels safe driving today's connected cars.
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Blog: Transportation
In 2015, Chris Valasek and Charlie Miller demonstrated a hack of the Jeep Cherokee. Valasek tells Tech Briefs what has changed since then.
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INSIDER: Materials
Fuel cells generate electricity directly from hydrogen and oxygen and produce only water vapor as emissions. But most fuel cells are too expensive, inefficient,...
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Articles: Energy
The Create the Future Design Contest was launched in 2002 to help stimulate and reward engineering innovation. In the past 16 years, the annual contest has drawn more than 13,000 product...
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Special Reports: Communications
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ADAS/Connected Car - December 2018
Today's Advanced Driver Assistance Systems (ADAS) and connected cars are paving the way for tomorrow's automated vehicles. To help you keep pace with the latest technology developments, we present this...

Briefs: Energy
NASA's Glenn Research Center has developed a novel solid oxide fuel cell (SOFC) with five times the specific power density of currently available SOFCs. This highly efficient SOFC can operate on a wide...
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Application Briefs: Mechanical & Fluid Systems
Materials testing and characterization is often a lengthy process. It can take more than a year and billions of testing cycles for a manufacturer to characterize the properties of a new...
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Briefs: Imaging
A process has been developed that enables the production of a 2-mm flat camera. The lens is partitioned into 135 tiny facets, similar to the eyes of an insect. The facetVISION camera is suitable...
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Briefs: Transportation
It is relatively easy to measure small movements of large objects, but is much more difficult when the moving parts are on the scale of nanometers, or billionths of a meter. The ability to accurately...
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