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Aerospace & Defense Technology: September 2019

2019-08-29
Air Caster Technology Safeguard Satellites During Assembly and Testing Operational Considerations for High-Reliability Interconnects in Military and Aerospace Applications Understanding Fiber Optic Transceiver Design and Test Rules Acceleration Resistant HiK Heat Spreader Shape-Shifting Origami Could Help Antenna Systems Adapt On-the-Fly NASA Eyes GPS at the Moon for Artemis Missions Spatiotemporal Imaging Exploiting Structured Sparsity Overcoming the conventional limits of spatiotemporal imaging by applying compressed sensing and sparse representations to reduce the amount of data acquired while maintaining high image resolution.
Magazine

Automotive Engineering: September 2019

2019-08-29
Engineering the 2020 Chevrolet Corvette The eighth-gen (C8) Corvette is a creative mix of novel and traditional technical solutions - unleashed at a shockingly low base price. Stuck on structural adhesives As the need for lighter materials and enhanced body performance intensifies, structural adhesives flourish as a materials-joining solution. Rethinking ADAS materials New specialized thermoplastics offer greater design freedom to improve sensor performance and packaging, at reduced cost. Inside VW's expanding Silicon Valley lab The pioneering California innovation hub enters its third decade on a new wave of innovation.
Magazine

Tech Briefs: September 2018

2018-09-01
Enhanced SATCOMs for Unmanned Aerial Systems The Bus Too Tough to Die Combating Infrared Threats on the Battlefield Optical Interconnect Design Challenges in Space High-Performance Computing for the Next-Generation Combat Vehicle Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency Integrated Magneto-Optical Devices for On-Chip Photonic Systems Development of magneto-optical (MO) materials could lead to a range of nonreciprocal optical devices for emerging standardized photonic integrated circuit (PIC) fabrication processes. Low Power Optical Phase Array Using Graphene on Silicon Photonics Electrostatic doping of 2D materials embedded in waveguides could enable ultrafast devices with unprecedented power. Spatial Resolution and Contrast of a Focused Diffractive Plenoptic Camera New technology captures spectral and spatial information of a scene in one snapshot while raising pixel counts and improving image quality.
Magazine

Tech Briefs: August 2018

2018-08-01
Designing a High-Speed Decoy Unmanned Aerial Vehicle (UAV) Using Thermoplastics in Aerospace Applications In-Flight Real-Time Avionics Adaptation Using Turbine Flow Meters for Aerospace Test and Measurement Applications Communicating from Space: The Front End of Multiscale Modeling Laser-Based System Could Expand Space-to-Ground Communication Hydraulic Testing of Polymer Matrix Composite 102mm Tube Section Research could lead to development of a composite material that can be processed at a low temperature and still be used at 1000°F. Permeation Tests on Polypropylene Fiber Materials Study attempts to determine if polypropylene nanofiber materials can be used in air filtration systems to remove toxic vapors. Inter-Laboratory Combat Helmet Blunt Impact Test Method Comparison Ensuring consistent test methods could reduce the risk of head injuries.
Magazine

Automotive Engineering: June 2018

2018-06-01
Underway on nuclear power Ford Motor Co. CTO Dr. Ken Washington is driving new approaches to technology innovation—from inside and outside the enterprise. Silicon drives autonomy movement Renesas’ Amrit Vivekanand explains how the software and semiconductors that underlie the industry’s rapid transition are rapidly evolving. Automotive propulsion ‘On a journey’ CTO Jeff Hemphill explains how Schaeffler Group is blending its longstanding mechanical-systems expertise with critical investment in electrification and autonomy. Steeling for reduced mass and higher strength New 3rd-generation AHSS and steel-polymer hybrid tech aim to cut mass by up to 30%—and take a bite out of aluminum’s business. Balancing the rumble and roar Multiphysics simulation is part of the development toolset at Mahindra Two Wheelers, as the Indian motorcycle and scooter maker expands into global markets with larger bikes. Le Mans 2018: can anyone beat Toyota’s hybrids?
Magazine

Automotive Engineering: May 2018

2018-05-03
Testing for cold-climate comfort AE goes way north to the Arctic Circle for an inside look at Hyundai's winter testing of the new Nexo FCV and Kona EV and their unique and critical HVAC systems. Innovation more than skin deep A new wave of engineered plastics are delivering structural, mass-reducing, and aesthetic benefits for new vehicle applications. A secret weapon for roof-crush testing Before you crush that bus or racecar chassis, find out how engineers at CAPE are optimizing test-rig performance. Editorial: Tesla's Model 3 is two very different cars SAE Standards News A hive of activity Supplier Eye Why aren't there more unibody pickups?
Magazine

Tech Briefs: April 2018

2018-04-01
Laser Detecting Systems Enhancing Survivability and Lethality on the Battlefield Designing With Plastics for Military Equipment Engine Air-Brakes Paving the Way to Quieter Aircraft Nett Warrior Enhancing Battlefield Connectivity and Communications XPONENTIAL 2018 - An AUVSI Experience Communications in Space: A Deep Subject First Air-Worthy Metal-Printed RF Filter Ready for Takeoff Validation of Automated Prediction of Blood Product Needs Algorithm Processing Continuous Non-Invasive Vital Signs Streams (ONPOINT4) Using a combination of non-invasive sensors, advanced algorithms, and instruments built for combat medics could reduce hemorrhaging and improve survival rates. Calculation of Weapon Platform Attitude and Cant Using Available Sensor Feedback Successful development of mobile weapon systems must incorporate operation on sloped terrain.
Magazine

Tech Briefs April 2018

2018-02-01
Multi-Domain Command and Control (MDC2) Changing the Face of Modern Warfare Loop Thermosyphons Gravity-Driven Two-Phase Cooling for the 21st Century CompactPCI Serial Space A New Embedded System Specification Takes on Extreme Environments Plain Bearings for Aerospace Applications Additive Manufacturing Materials for RF Components NASA CubeSats: Pushing the Boundaries of Technology Content Addressable Memory (CAM) Technologies for Big Data and Intelligent Electronics Enabled By Magneto-Electric Ternary CAM New associative memory approach based on the propagation of spikes provides ultra-low energy search operations. Natural DNA-Based Nonvolatile Resistive Switching Memory Reliable memory devices can be realized within a single macromolecule based on natural DNA.
Magazine

Aerospace & Defense Technology: December 2017

2017-12-01
High-Reliability Capacitors When the Mission Just Can't Fail WIAMan High-Tech Test Lab Focuses on Saving Soldiers' Lives Improving the Surface Finish of Additive Manufactured Parts A new chemical immersion treatment could revolutionise the aerospace industry Using Thermoplastic Composites for Aerospace Applications Identifying and Isolating Signals Using Radio Frequency Photonics Bioinspired Surface Treatments for Improved Decontamination: Commercial Products Investigation seeks to determine which coatings shed fluids most effectively. Mechanical Characterization and Finite Element Implementation of the Soft Materials Used in a Novel Anthropometric Test Device for Simulating Underbody Blast Loading Understanding the mechanical behavior of components made from eight soft polymer materials is necessary to ensure the predictive capability of WIAMan FE models.
Magazine

Aerospace & Defense Technology: June 2017

2017-06-01
Small Form Factor Embedded Systems New Technologies Drive Diverse Solutions Making Laser Weapons a Reality Modelling and Simulation Tools for Systems Integration on Aircraft Rotorcraft Anti-Icing Systems Redundant Transmitting System in Aircraft (RTSA) Cassini Stays in Touch with NASA's Radio Science Subsystem Laser Integration on Silicon Photonic Circuits Through Transfer Printing New fabrication approach allows the massively parallel transfer of III-V coupons to a silicon photonic target wafer. High Energy Computed Tomographic Inspection of Munitions Inspection system provides additional level of quality assurance for R&D, reverse engineering, and malfunction investigations. Terahertz (THz) Radar: A Solution for Degraded Visibility Environments (DVE) Operating at higher frequencies than other types of radar produces tighter beams and finer resolution. Imaging Detonations of Explosives Using high-speed camera pyrometers to measure and map fireball/shock expansion velocities.
Magazine

MOMENTUM: FEBRUARY 2017

2017-02-01
Formula ETS: a new beginning This year's Formula SAE car features a complete chassis redesign. Trimming processes for advanced steels Greater quality control improves automotive manufacturing trimming processes for high-strength steels, resulting in reduced levels of scrap. Getting on the right track SAE Collegiate Chapter involvement opens the door to invaluable experiences and beneficial networking opportunities.
Magazine

SAE Off-Highway Engineering: October 7, 2016

2016-10-07
The Best of COMVEC 2016 Autonomous vehicles, improved fuel efficiency and thermal management are among the pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Autonomous solutions in agriculture Pneumatically shifted air suspension loading on 6x2 trucks Optimizing waste heat recovery for long-haul trucks Downsizing a HD diesel engine for off-highway applications Fan-shroud optimization for enhanced thermal performance Touch takes hold, switches lend a hand Touch screens are becoming the norm, but knobs and switches are often used to improve operator comfort. U.S. Army marches toward driverless future TARDEC targets vehicle autonomy with new V2V / V2X test bed in Michigan.
Magazine

Automotive Engineering: February 3, 2016

2016-02-03
Baking in protection With vehicles joining the Internet of Things, connectivity is making cybersecurity a must-have obligation for automotive engineers, from initial designs through end-of-life. New Engines 2016 Highlighting the design, engineering, and technologies inside some of the most competitive new gasoline and light-duty diesel ICEs. Citizen of the world Cuneyt L. Oge begins his term as 2016 SAE International President with a vision about auto-mobility and aero-mobility 2050. CES rollouts extend connectivity, app integration Ford looks to spread Corning's new lightweight Gorilla Glass beyond the 2017 GT New 40%-scale wind tunnel increases GM's aero-development capacity Surface Generation speeds composites throughput with one-shot stamp-forming process 2017 Cadillac XT5 debuts GM's new lightweight crossover architecture Porsche and Bentley plan electric future
Magazine

Automotive Engineering: June 2, 2015

2015-06-02
Balancing GDI fuel economy and emissions Will OEMs have to adopt gasoline particulate filters to comply with stringent new emissions regulations? Top engineers discuss current developments. Cameras look to go the distance Automakers seek vision systems with greater distances, improved reliability, and more functionality, thanks to ruggedized complementary metal-oxide semiconductor technologies. Mixing metals Cadillac pursues aluminum/steel mix for new CT6 luxury sedan, leading to advances in body assembly.
Magazine

Aerospace & Defense Technology: May 2015

2015-05-01
Unmanned Aerial Systems Deploying Next-Generation UAS Platforms with 3U VPX Unmanned Ground Vehicles UGVs - On the Cutting Edge of Thermal Management Unmanned Surface/Underwater Vehicles Controlling the Seas - Introducing a New Concept in Autonomous Surface/Underwater Vehicles Robotics Connectivity in Robotic Systems
Magazine

Momentum: March 2015

2015-03-01
Diesel gets a promotion at SAE Clean Snowmobile Challenge The main rules change for the 2015 season is creation of a new engine category (diesel), the event's organizer notes in providing an overview of the SAE Collegiate Design Series competition. Wisconsin-Stout puts faith in gearbox redesign for Baja Blue Devil Racing Team believes packaging and durability advantages more than offset weight and low-end-torque penalties. Test cell at Kansas University does double duty Single-cylinder engine test cell designed for research into biodiesel also serves as an instruction tool for students. University of Michigan students have hand in Volt battery reliability Technology co-developed by U of M monitors the quality of welds used in the joining of Chevy Volt battery cells.
Magazine

Automotive Engineering: February 3, 2015

2015-02-03
Getting a grip on AWD efficiency The safety and performance benefits of all-wheel drive are undeniable, but so are the penalties of added weight, friction losses, and complexity. Clever axle disconnects and E-axles are driving future AWD developments. E pluribus unum Inputs from many sensors are being combined to give safety systems a true vision of vehicle surroundings, with the resulting sensor fusion becoming a mainstay of autonomous vehicle electronics. Lightweighting poses repair challenges Mass-produced aluminum bodies and mixed-material structures present challenges for assembly and repair, as automakers increasingly pursue these lightweight strategies. Setting the standard Meggitt CTO Emeritus begins term at helm of SAE International, seeks to encourage cross-sector relations, elevate image of SAE as aerospace industry leader.
Magazine

Automotive Engineering: August 5, 2014

2014-08-05
Steel red-hot for weight reduction The steel industry's focus to remain a top material choice has not diminished, especially with automakers and suppliers looking for ways to lightweight passenger vehicles to meet the U.S. government's 54.5-mpg fleet average requirement in 2025.
Magazine

Aerospace & Defense Technology: August 2014

2014-08-01
3-D manufacturing of titanium components takes off MRO providers are discovering ways to innovate their procedures while remaining viable and profitable through the current downturn in government spending. Commercial programs are flying high With economic regeneration underway this year, the rate of ordering new aircraft has been at an all-time high, with the result that backlogs for undelivered new production stretch well into the next decade for some popular models.
Magazine

Automotive Design: January/February/March 2014

2014-03-21
Downsizing: the heat is off Ian Adcock discovers why a material developed in the nuclear industry could prove a real boon for OEMs as they look to downsize engines. Lightweight champions Could an alloy with the strength of steel, but as light as aluminium, prove to be a game changer for the automotive industry? Ian Adcock investigates. Road fatalities: eliminating the human factor In a new series on vehicle safety, Ian Adcock looks at the need for more driver intervention systems.
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