Refine Your Search

Topic

Search Results

Magazine

Aerospace & Defense Technology: October 2019

2019-09-26
Artificial Intelligence and Autonomous Vehicles A "STEP" Forward for Product Lifecycle Management The Challenge of Replacing Hard Chrome Defining an Open System Architecture Standard for Defense Systems Solid-State Microwave Power Module Defeating Commercial Drone Threats with Open-Source SDR Influence of Leading-Edge Oscillatory Blowing on Time-Accurate Dynamic Store Separation Developing an understanding of, and potentially controlling, pitch bifurcation of a store release from an aircraft during flight could improve weapons delivery. Green's Function Extraction from Atmospheric Acoustic Propagation Understanding what affects acoustic waves propagating in the atmosphere is important for a variety of military applications including the development of new remote sensing techniques.
Magazine

Aerospace & Defense Technology: February 2019

2019-02-01
Ruggedizing Commercial-Grade Computers into MIL-Hardened Systems An Introduction to PCM Heat Sinks Eye Tracking Technology Improving the Skills Gap, Efficiency, and Quality Assurance in Aerospace Manufacturing Streamlining EMC Solutions for Avionics Interfaces Hardware Design of a High Dynamic Range Radio Frequency (RF) Harmonic Measurement System. Using RISC-V to Simplify Data Logging in Space Novel Characterization Methods for Anisotropic and Mixed-Conduction Materials Seven new characterization methods have been developed for the specialized materials used in state-of-the-art electronic and optoelectronic devices. Circuit Models for Robust, Adaptive Neural Control Understanding a nematode's simple circuit could provide a foundation for understanding much more complex behaviors.
Magazine

Automotive Engineering: November 2018

2018-11-01
Electrifying the two-wheeler Alta Motors, one of the newest electric motorcycle OEMs, is fueling zero-emission excitement with a passion for product. AV testing is for dummies Rapid development of automated vehicles is driving ATD innovations, as Humanetics' CEO explains. 2019 Yamaha Niken steers a radical path The world's first leaning three-wheel motorcycle is an expression not only of engineering prowess, but of a real passion for riding. Editorial Electrify the U.S. Postal Fleet!
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

Autonomous Vehicle Engineering: May 2018

2018-05-03
Editorial Tragedy to Transform AV Testing? Detecting Pedestrians Safety of vulnerable road users is driving new technologies as pedestrian deaths rise worldwide. When Autonomy Underperforms: the Evolving Liability Model As autonomy-related accidents expand, expect legal liability to shift to products rather than people. Seeing Through Fog Fog, rain and snow are big challenges for optical sensors, particularly active systems. Engineers need to understand the impact of fog conditions on cameras and thermal sensors used in AVs. Rethinking Architectures: From Chips to the Cloud New concepts and strategies for controls architectures are emerging as AV boundaries expand and options skyrocket. Cabin Fever As humans do less actual driving, autonomous vehicle interiors will transform radically to provide more creature comforts. Threat Vector: Car Washes! For vehicles with automated-driving sensors, the “cleansing” experience can go too far.
Magazine

Tech Briefs: May 2018

2018-05-01
New Technologies Tackle UAV Challenges Robotic Applique Kits Leverage Existing Assets Educating UGVs Implementing AI Advancements in Thermal Image Training Data Sets Protecting Critical Data on Unmanned Underwater Platforms Advancements Made to the Wingman Software-in-the-Loop (SIL) Simulation: How to Operate the SIL New features include the creation of virtual environments that match real-world gunnery test courses. Soldier-Robot Team Communication: An Investigation of Exogenous Orienting Visual Display Cues and Robot Reporting Preferences The effective use of robots to conduct dangerous missions depends on accurate man-machine communications. Soft Robotic Fish Swims Alongside Real Ones in Coral Reefs GPS Enabled Semi-Autonomous Robot Combining GPS signals with acoustic and encoder data gives a robot the ability to determine its location and orientation within a reference frame.
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

MOBILITY ENGINEERING: December 2017

2017-12-01
Rockets re-engineered-a step further into the cosmos Powertrain design for reliability Ice breaker Mazda's Skyactiv-X beats the big companies to market with a promising new engine that marries Otto and Diesel attributes. Advances for off-highway engine design As manufacturers continue to drive out cost and meet a worldwide patchwork of regulatory frameworks, the tools for developing those engines are advancing. From showcase prototypes to advanced analytical techniques, suppliers are helping the cause. Aeroacoustic simulation delivers breakthroughs in aircraft noise reduction Autonomy testing: Simulation to the rescue Autonomous technology development injects new rigors on vehicle-development testing.
Magazine

Aerospace & Defense Technology: September 2017

2017-09-01
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.
Magazine

Aerospace & Defense Technology: August 2017

2017-08-03
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.
Magazine

Automotive Engineering: August 2017

2017-08-03
Hacked! Is automotive ready for the inevitable? Cybersecurity experts talk defense strategies. Active Aero takes flight Reconfigurable "smart" aerodynamic aids are stretching performance-car envelopes in every direction. The motorcycle's balanced future With its Ride Assist technology, Honda R&D moves two-wheelers toward autonomous capability. Honoring lightweight innovation Chrysler, Toyota, Faurecia and AP&T recognized with the 2017 Altair Enlighten Award for their efforts to reduce vehicle weight.
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

MOBILITY ENGINEERING: June 2017

2017-06-01
Alternative fuels and challenges Automotive powertrain development: virtually-connected hardware co-simulation Functional Safety-progressing towards safer mobility Electric rockets and the future of satellite propulsion Achates powers toward production A potential ICE game-changer, the Achates OP engine is being tooled up for production at one OEM while a new 2.7-L triple for light-truck demonstrations enters the build phase. 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.
Magazine

MOBILITY ENGINEERING

2016-12-01
Focus on advanced safety systems and human-factor interventions The impact of REACH on the aviation sector Considered the most comprehensive chemical-regulation legislation to date, REACH presents serious ramifications for the aircraft industry. Lightweighting: What's Next? Experts weigh in on the challenges and future enablers in the battle to reduce vehicle mass. The best of COMVEC 2016 Autonomous vehicles and improved fuel efficiency via advanced powertrain solutions are pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Optimizing waste heat recovery for long-haul trucks Autonomous solutions in agriculture Downsizing a HD diesel engine for off-highway applications Zero-emissions electric aircraft: Theory vs. reality
Magazine

MOBILITY ENGINEERING: Sept 2016

2016-09-01
Types of aircraft passenger-escape systems An overview of existing and potential new methods for assuring aircraft occupant safety. SAE Skill India Initiative: S2I2 A new SAEINDIA collaboration aims to help young engineers acquire "industry-ready" skills. A technology-driven sustainable-agriculture solution Pumping more air into the cylinder is key to solving the CAFE puzzle, and engineers are hard at work figuring out the best ways to do it with turbocharger and supercharger innovation. Rotorcraft icing computational tool development 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.
Magazine

Aerospace & Defense Technology: June 2016

2016-06-01
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
Magazine

Aerospace & Defense Technology: April 2016

2016-04-01
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
Magazine

MOBILITY ENGINEERING: March 2016

2016-03-01
Autonomous vehicles: impact on society Self-driving technology offers plenty of promise, but not everything about autonomous vehicles will be a panacea. Crankshaft reliability by integrated design, simulation, and testing This testing method is proven and beneficial for the design and development of the crankshaft and could be applied to other critical engine components, thereby extending to system reliability. New Engines 2016 Highlighting the design, engineering, and technologies inside some of the most competitive gasoline and light-duty diesel ICEs. Touch and go Avionics developments are changing life in the cockpit and at airborne work stations. Improving heavy-duty engine component efficiencies Cylinder deactivation can improve fuel economy by using a reduced number of cylinders that operate at higher loads and thermal efficiency, while other cylinders are turned off, when the engine operates at partial load conditions.
Magazine

Aerospace & Defense Technology: Feb 2016

2016-02-01
Clamoring for more entertainment Connected consumers drive demand for bandwidth, though seatback entertainment remains popular. Fighting for life in military markets Airbus Defense & Space is looking to revitalize and ramp up production rates of its military aircraft portfolio.
Magazine

Aerospace & Defense Technology: December 2015

2015-12-01
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.
X