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Viewing 1 to 30 of 116
2017-09-28
Magazine
Using Thermal Simulation to Model the Effects of Wind on the Mars Curiosity Rover Quality and Validation of Digital Designs for Aerospace and Defense Scaling LiDAR Optical Payloads from Drones to Miniature UAVs Using Sintered Fiber Metal Composites for Aircraft Acoustic Attenuation GaN Breaks Barriers RF Power Amplifiers Go Wide and High Test System Ensures Flawless Performance of Military RF Devices The Impact of Video Compression on Remote Cardiac Pulse Measurement Using Imaging Photoplethysmography Remote physiological measurement technique leverages digital cameras to recover the blood volume pulse from the human body. Sensitivity Simulation of Compressed Sensing Based Electronic Warfare Receiver Using Orthogonal Matching Pursuit Algorithm Calculate the sensitivity of a CS based EW receiver using two modulation schemes.
2017-08-24
Magazine
On-Orbit Satellite Refueling Flow Measurement The Path from Concept to Operational Status Radiation Tolerant "Smart Backplanes" for Spacecraft Avionics Using Heat Pipes to Cool Embedded Computers Electronically Dimmable Aircraft Windows How do you block the light of the sun? Eliminating Electrical Arcing in Satellite Systems NASA Miniaturizes Century-Old Radio Sounder Technology Developing an Airborne Optical Systems Testbed (AOSTB) New Class of Excimer-Pumped Atomic Lasers (XPALS) Research demonstrates the viability of an atomic laser having a quantum efficiency greater than one. Hydrodynamic Drag Force Measurement of a Functionalized Surface Exhibiting Superhydrophobic Properties Comparing the skin friction drag effects of a superhydrophobic flat plate to an untreated flat plate of the same material and geometry.
2017-08-03
Magazine
Collaborating on diesel emission control Stringent fuel-efficiency and criteria-pollutant standards call for new combustion strategies. The SwRI-led Advanced Combustion Catalyst and Aftertreatment Technologies consortium reinvents existing technologies and experiments with new catalysts to meet standards. More intelligence equals more efficiency, enhanced functionality Advanced systems require renewed focus on architectures, processors, sensors and networks. Appraising the potential for platooning in the U.S. Researchers from the National Renewable Energy Laboratory perform statistical analysis based on a large collection of real-world U.S. truck usage data to estimate the fraction of total miles that are technically suitable for platooning. Connected commercial vehicles bring cybersecurity to the fore Connectivity, automation and electrification will largely drive vehicle developments in the coming years, according to experts presenting at the revamped SAE COMVEC 17.
2017-07-27
Magazine
The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems Ensuring the Compliance of Avionics Software with DO-178C Microwave Photonic Notch Filter Helps Ensure Critical Mission Success Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer New testing technique requires less material, gives more accurate results. Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles Test methodology allows analysis of combustion dynamics for subscale rocket injectors under super critical conditions. Vapor Pressure Data and Analysis for Selected Organophosphorous Compounds: DIBMP, DCMP, IMMP, IMPA, EMPA, and MPFA Determining the thermophysical properties of chemical warfare agent simulants can help evaluate the performance of defensive equipment.
2017-06-01
Magazine
Tackling NVH one dB per day New tools and technologies are helping engineers reduce vehicle Noise, Vibration and Harshness. Artificial intelligence becomes a reality Automakers could be among the leaders in deploying AI in free-standing, high-reliability environments. But developers must determine how to mitigate undesirable side-effects. Lidar: autonomy's mission-critical component Automated-driving capability likely won't happen without Lidar. But what technology-and at what price? Formula One goes longer, lower, wider for 2017 New rules make the cars faster and more aggressive-looking, with a wider track, wider tires and bigger wings. Editorial: Core Ford, New Ford...OneFord? SAE Standards News Seeking a common language for vehicle automation Supplier Eye Are you innovating for NVH?
2017-05-25
Magazine
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.
2017-04-27
Magazine
Interoperability Standards Pave the Way for Modular Robotic Manipulators Solar Powering UAVs Deploying COTS Subsystems in UUVs Developing a Multi-Modal UGV Robot Control Interface Fast-Tracking Autonomous Vehicles with Simulation Gesture-Based Controls for Robots: Overview and Implications for Use by Soldiers Identifying the Flow Physics and Modeling Transient Forces on Two-Dimensional Wings Experimental Confirmation of an Aquatic Swimming Motion Theoretically of Very Low Drag and High Efficiency The Scaling of Loss Pathways and Heat Transfer in Small Scale Internal Combustion Engines A Guide for Developing Human-Robot Interaction Experiments in the Robotic Interactive Visualization and Experimentation Technology (RIVET) Simulation
2017-04-06
Magazine
Connectivity continues its advance More OEMs and Tier 1 suppliers are focusing on embedded telematic systems, hoping to displace aftermarket hardware. Tailoring fuel injection to control NOx The next big step to help heavy-duty diesel engines meet stricter emissions regulations involves adapting the fuel-injection system to the combustion needs. Active on safety Crash-avoidance technologies are vital "building blocks" to automate commercial vehicles, implement truck platooning and ultimately achieve zero accidents. Engineering with simulation and data Companies are discovering new simulation techniques, especially optimization; the next step is to combine simulation with sensor data and predictive analytics to create even more robust off-highway equipment.
2017-03-30
Magazine
Thought leadership at WCX17 Proliferating electrification and performance. Clarity of purpose Honda's 2017 Clarity Fuel Cell has impressive performance, zero emissions and zero range anxiety. Clarity is ready for the mainstream, but is hydrogen fuel? Lightweighting hinges on the details Multi-material design approaches require careful integration of all adjacent constituents. Haptic feedback for gesture-control HMI Mid-air gesture controls rely on sophisticated sensing to aid the human-machine interface and help keep drivers' eyes on the road. Road-efficient mud machine Jeep's new Compass benefits from a trick AWD system co-developed with GKN. Past as prelude to the future SAE's Mobility History Committee brings a trove of knowledge- and cool technology. The new Fellow from Ricardo Prof. Neville Jackson will be recognized as an SAE Fellow at WCX17.
2017-03-30
Magazine
Designing Electronic Warfare to Regain Airborne Military Dominance Certifying Composite Designs for Aerospace and Defense Electric Rockets and the Future of Satellite Propulsion Flat Cable Technology for Aerospace Applications XPONENTIAL 2017 – An AUVSI Experience Pulse Analysis Techniques for Radar and Electronic Warfare Reconfigurable Radio Tracks Flights Worldwide Development of an Optically Modulated Scatterer Probe for a Near-Field Measurement System Using Dempster-Shafer Fusion for Personnel Intrusion Detection Angular Random Walk Estimation of a Time-Domain Switching Micromachined Gyroscope Using Fisher Information Criteria for Chemical Sensor Selection via Convex Optimization Methods Luminescence Materials as Nanoparticle Thermal Sensors
2017-03-02
Magazine
Thought leadership at WCX17 Lucid Motors’ David Moseley: EV or ICE, “It is all physics” New eye on the road One of the industry’s hottest tech suppliers is blazing the autonomy trail by crowd-sourcing safe routes and using AI to learn to negotiate the road. Mobileye’s co-founder and CTO explains. Hard, slick and ready to roll A tough, self-renewing catalyst coating developed at Argonne National Laboratory provides unprecedented friction and wear protection for vehicle powertrains, the inventors claim. Sensor ICs, semiconductors and safety To achieve ISO 26262 compliance, engineering practices must be taken to a higher level. The following insights may prove valuable for getting there. New VCR targets 40% BTE Variable-compression ratio with VVA from France’s MCE-5.
2017-02-03
Magazine
A greener future for two-wheelers New BS VI emissions standards for two-wheelers are an enviro-opportunity. Additive manufacturing How 3D printing will transform the A&D support chain. Autonomous plows ahead Agriculture, construction, mining-even marine-are advancing autonomous technology to improve the productivity and safety of vehicles on the job. Bridging the power gap with 48 volts New 48-V technologies are poised to arrive in volume to help meet CO2 regulations and satisfy the "vampire" power demands of new electrical subsystems and accessories. Advances in lightweight electronics protection Conformal coatings increase reliability of aerospace and military assemblies.
2017-02-02
Magazine
WCX17 Preview The annual SAE World Congress is rebranded WCX17 to express its expanded experience of new-technology discussion and established thought leadership. Achates powers toward production Achates Power's internal-combustion solution is a new play on an old technology. Inside the Bolt EV While the new battery deserves credit for the car's +200-mile range, systems optimization, careful motor design and proprietary CAE tools were equally important. CES 2017: Lush luxury EVs, sophisticated connectivity Suppliers challenge OEMs in advanced tech. Editorial: Question mark or exclamation point Supplier Eye Are you prepared for greater electrification? SAE Standards News VS committees fully engaged on cybersecurity.
2016-12-22
Magazine
Thought leadership at WCX17 Magna's CTO talks innovation and disruption at WCX17, the newly rebranded SAE World Congress. Patton's new campaign As new SAE International President for 2017, Doug Patton will advocate STEM, "cultivation" of prospective young engineers. New EEAs for the connected, autonomous future OEMs and their Tier-1 partners are revamping vehicle electronic and electrical architectures with "über brain" central computers and real-time Ethernet to feed tomorrow's data-hungry cars and trucks. Bridging the power gap with 48 volts New 48-V technologies are poised to arrive in volume to help meet CO2 regulations and satisfy the "vampire" power demands of new electrical subsystems and accessories. Autonomy, connectivity headline the 2017 Consumer Electronics Show The automotive component of CES expands as global anticipation for automated driving and enhanced connectivity intensifies. Editorial: Vital Transformation Supplier Eye The impact of shifting to the 'softer' side.
2016-11-03
Magazine
SAE Convergence 2016 Talk of the healthy aspects of disruption mingles with SAE's renowned technical emphasis to foster the auto industry's continuing evolution toward electrification and autonomy. The Battery Man Speaks The speed of progress in automotive lithium batteries has impressed AABC's Dr. Menahem Anderman. So has silicon-graphite anode technology development from Tesla and Panasonic. Industry 4.0: The smart factory arrives The plants that produce automotive systems and vehicles are increasingly employing intelligent systems, Big Data and advanced analytics to improve quality, safety and efficiency. Editorial: Promise of 48 volts is no shock Nissan unveils variable-compression-ratio ICE for 2018 Infiniti production model Optimizing engine oil warm-up strategies for 'real-world' driving In search of higher-energy-content batteries Making Multiphysics fast and convenient I.D.
2016-10-07
Magazine
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.
2016-10-03
Magazine
Achieving Performance Advantages in Unmanned Systems Unmanned Vehicle Systems (UVS) are reaching new levels of functionality and performance, and it's not just for air vehicles either. COTS Embedded Systems and Link Budgets The days of proprietary embedded computing systems in military systems are numbered. Custom Designing Enclosures Using 3-D CAD Modeling Due to the advancement of 3-D computer-aided design software, enclosure manufacturing is not what it used to be. Technology advances industry. Fiber Optic Multi-Sensing Platforms Enabling Innovation Across Aerospace Organizations RECAT Wake Turbulence Recategorization New Concept for Improving the Performance of Electrically Small Antennas Microwave Radiometer for Advanced Nanosatellite Control Systems Secret Sharing Schemes and Advanced Encryption Standard SIPHER: Scalable Implementation of Primitives for Homomorphic Encryption Using Mathematics to Make Computing on Encrypted Data Secure and Practical
2016-09-01
Magazine
Ruling the skies Warsaw University of Technology and Georgia Tech dominate SAE Aero Design competitions. European teams take top spots at FSAE Michigan, U.S. teams at FSAE Lincoln Universitat Stuttgart of Germany and Auburn University of the U.S. take crowns at SAE Collegiate Design Series Formula competitions. Michigan Baja Racing repeats as Baja SAE season champion Coming in second is Rochester Institute of Technology, which was victorious in one of the 3 Baja SAE competitions.
2016-09-01
Magazine
Solving the Greenhouse Gas puzzle While automakers and policymakers debate the TAR, engineers and product planners prepare for the steep climb to meet GHG and CAFE rules beyond 2022. Revving up thermal characterization in the component lab The latest generation of high-speed infrared cameras can capture airbag deployments and other fast-moving actions quickly and accurately. C3 consortium aims for soot solution A newly formed group of companies led by CFD specialists Convergent Science targets exhaust particulate reduction in the combustion chamber. Inside the autonomous vehicle With less focus on driver needs, comfort, safety, and occupant productivity will become key. Editorial: Bad gas?
2016-08-05
Magazine
Clearing the air Sensors, diagnostics and controls advance to help trap emissions. Bringing the heat on cooling technologies Electronic controls, variable-speed fans cool engines, heat aftertreatment systems. 3D printing machines can't be built fast enough In the additive manufacturing world, the costs of components are dropping, the technology is becoming more reliable and parts are fabricated faster, allowing industries beyond aerospace to adopt additive technologies, says Oak Ridge Lab's Ryan Dehoff.
2016-06-01
Magazine
Digital Design Tools Simulating Thermal Expansion in Composites with Expanded Metal Foil for Lightning Protection Rugged Computing Designing VME Power Systems with Standard Modules Optical Sensors Optical Ice Sensors for UAVs Rotorcraft Technology Rotorcraft Icing Computational Tool Development RF & Microwave Technology Curled RF MEMS Switches for On-Chip Design: Design Software Supports BAE System's Mixed-Signal Chip Design
2016-04-01
Magazine
Electronic Warfare Next Generation FPGAs for Electronic Warfare Systems Materials: Composites Managing the Impact of Nanomaterials in Aerospace Manufacturing Aerospace Materials/Manufacturing Turbine Flow Meters Alternative Power Sources Designing a Power Generation System for a More-Electric Aircraft
2016-01-06
Magazine
Time to get personal Industry engineers are combining apps, voice, the cloud, and other technologies such as artificial intelligence to enable drivers to customize their vehicles and anticipate their needs. Technology report GM and TARDEC co-developing fuel cell powered Chevrolet Colorado for military evaluation vehicles and anticipate their needs. Global vehicles Sports cars take center stage in Tokyo
2015-12-01
Magazine
Touch and go Avionics developments are changing life in the cockpit and at airborne work stations Sandwich cores for the future Decreasing weight while increasing strength is always critical, from airliners to future space missions to Mars. Research in sandwich cores today may lead to radical improvements in the future.
2015-02-03
Magazine
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.
2014-07-01
Magazine
Global Viewpoints The latest strategies are investigated for vehicle development by automakers and major suppliers. Sports cars embrace array of green technology IMSA Tudor United SportsCar Championship promotes a variety of green technologies to link racing to the road. More gears, more challenges Many strategies, as well as key software and hardware aspects related to controllers, networks, sensors, and actuators, must be considered to keep automatic transmissions shifting smoothly as more gears are added to improve fuel economy. Advancing structural composites Industry experts address the opportunities and challenges involved with moving toward composite-intensive vehicles, including Nissan's effort to produce a high-volume, fully recyclable composite liftgate with low metal content.
2014-06-05
Magazine
Watching for ways to stand above the crowd Sensors monitor a broad range of parameters to help powertrain design teams add features and improve performance.
2014-03-04
Magazine
What's New at ConExpo/IFPE More new products and technologies that companies plan to showcase at this year's ConExpo-Con/Agg, which is co-located with the IFPE fluid-power event in Las Vegas from March 4-8, are previewed. Gearshift actuator dynamics in a dual clutch transmission The emergence of tougher environmental and fuel efficient legislations have triggered exploration and advance toward new and better vehicle transmission technologies. Software makes solid impact Programs are helping hydraulic systems do more while reducing operator workloads. Damping out booming noise NVH improvement techniques are gaining traction with the goal to improve the quality perception of off-highway equipment performance and operator comfort.
2014-03-01
Magazine
The future for electric and hybrid vehicles in India Technical and political challenges alike have held back the electric and hybrid market, but there are signs of hope. Flex-fuel snowmobile challenge results in improved efficiency and lower emissions Noise and exhaust emissions of recreational snowmobiles have come under increased scrutiny by the U.S. federal government. Students from Kettering University take on the design challenges of meeting or exceeding such regulations. Actuator dynamics in a dual clutch transmission The emergence of tougher environmental and fuel efficient legislations have triggered exploration and advance toward new and better vehicle transmission technologies.
2013-10-01
Magazine
Chrysler sees the ICE future The three-year, $30 million Multi-fuel Multiair R&D program with the U.S. DOE is nearing completion. Here's what Chrysler Powertrain engineers have learned as they try to achieve a 25% fuel-efficiency gain. Counteracting cyber-attacks As vehicle systems become more complex and interact with more internal and external elements, the potential for outside intrusion and tampering increases for both vehicles and the transportation infrastructure. Kia moves upscale with 2014 Cadenza The all-new premium sedan is the Korean automaker's 'most technologically advanced' vehicle ever on U.S. roadways. 2014 Corvette: 460 hp, 30 mpg, 1 g, $52,000 No other sports car can match the C7's combination of performance, value, and overall efficiency. Chief Engineer Tadge Juechter provides insight on executing a masterpiece.
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