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AEROSPACE ENGINEERING 2013-04

2013-04-01
PEFCs to transform UAVs Advancements in polymer electrolyte membrane fuel cells have resulted in longer endurance missions for smaller UAVs as well as an enabler for electric aircraft that require vertical takeoff and landing capability. Hovering aircraft programs The AW609 tiltrotor and the X3 compound helicopter offer different technology solutions to the challenge of achieving higher speeds and higher quality point-to-point air transport.
Magazine

AEROSPACE ENGINEERING 2013-10

2013-10-01
High hopes or just dreaming? A look at how Asia's aircraft manufacturers are trying to break into new markets to challenge the status quo. Camelina-based biofuel shows advantages in turboprop Researchers within the government of Canada see the need to improve the emissions performance of the Rolls-Royce T56 engine, which despite its age remains a workhorse for its military aircraft fleet.
Magazine

AUTOMOTIVE ENGINEERING INTERNATIONAL 2013-10-01

2013-10-01
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.
Magazine

AUTONOMOUS VEHICLE ENGINEERING

2022-04-07
Editorial Safety sells, they say. Should it sell driving automation? The Navigator Vehicle connectivity moves to the next generation Lockered and Loaded With its innovative Transporter, AV startup Udelv rethinks the entire concept of parcel delivery. Navigating Deep Learning to Improve ADAS How edge computing drives real-time decision making in AI for smarter, safer automated vehicles. Ensuring No Child Left Inside Up-armed with new key technologies, Gentex is making 'holistic' driver and cabin monitoring a core-brand hallmark. Precision Tech the 'Backbone' to CNH's Digital Strategy The ag and construction equipment OEM bolsters its tech stack to accelerate development of precision and autonomous solutions. AV Powers Bring May Flowers Michigan-based May Mobility survived rocky roads thanks to faith in its founders' vision and the company's autonomous tech. The Short-flight Alternative The Budget Airline Car is an EV alt-shuttle seating six adults, with luggage storage in each door.
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

Aerospace & Defense Technology: August 2021

2021-08-01
Thermal Management Techniques in Avionics Cooling Curing the Porosity Problem in Additive Manufacturing Space-Qualified Crystal Oscillators Reimagining Automated Test During a Pandemic EW: New Challenges, Technologies, and Requirements Software Enables New-Age, Flexible Test Solution for Analog and Digital Radios Formal Process Modeling to Improve Human-Decision-Making During Test and Evaluation Range Control Using the Innoslate software tool to formally model the process of conducting test range events can expose previously overlooked ambiguities and identify high-value decision points? Test and Evaluation of Autonomy for Air Platforms Tools, approaches, and insights to confidently approach the safe, secure, effective, and efficient testing of autonomy on air platforms.
Magazine

Aerospace & Defense Technology: August 2022

2022-08-01
The Digital Cockpit of the Future How Human Machine Interface Technology Will Impact Avionics Displays The Science of Joining Dissimilar Metals in Aerospace Manufacturing Designing A/D Converters for the James Webb Space Telescope Vibration Testing NASA's X-57 Maxwell Electric Aircraft Hybrid Circulators for mmWave Systems Transforming Battlespace Communications Pulsed Exposure Toxicity Testing: Method Development and Initial Evaluation for Stormwater Compliance Preliminary research into modifying whole effluent toxicity (WET) testing protocols designed for continuous flow discharges as applied to episodic and/or ephemeral discharges such as those associated with storm water runoff. Upgrade Transonic Compressor Test Rig Data Acquisition System New software programming using commercial off-the-shelf software for acquiring data, processing data, displaying results, and generating reports is implemented to improve the performance of a legacy system.
Magazine

Aerospace & Defense Technology: February 2017

2017-02-02
Open Standard Middleware Enables New HPEC Solutions Cooling Your Embedded System What Can Your Open Standard Architecture Handle? Evaluating Key Certification Aspects of Multicore Platforms for Safety Critical Avionics Applications Simulating and Analyzing Flow for an Air-to-Air Refueling System The Ins and Outs of Spaceflight Passive Components and Assemblies Development of High Quality 4H-SiC Thick Epitaxy for Reliable High Power Electronics Using Halogenated Precursors Silicon Based Mid-Infrared SiGeSn Heterostructure Emitters and Detectors Reconfigurable Electronics and Non-Volatile Memory Research Energy-Filtered Tunnel Transistor: A New Device Concept Toward Extremely Low Energy Consumption Electronics
Magazine

Aerospace & Defense Technology: February 2024

2024-02-08
Certified Machine Learning-Based Avionics: Unlocking Safer Revolutionizing Electronic Warfare: Unleashing the Power of High-Performance Software Defined Radios Deterministic and Modular Architecture for Embedded Vehicle Systems Approximating the Material Stresses and System Requirements for Hypersonic Flight Design Approaches for Established and Emerging RF Receiver Architectures Rydberg Technologies Shows Potential of Long-Range RF with Quantum Sensor at NetModX23 New Method to Measure Wind Speed Could Unlock Drones' Potential A fundamentally different approach to wind estimation using unmanned aircraft than the vast majority of existing methods. This method uses no on-board flow sensor and does not attempt to estimate thrust or drag forces. Report on Human Factors Issues Likely to Affect Air-Launched Effects This report reviews human factors research on the supervision of multiple unmanned vehicles (UVs) as it affects human integration with Air-Launched Effects (ALE).
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

Aerospace & Defense Technology: June 2021

2021-06-01
Advanced CT Inspection and Data Analysis Designing for the Connected Battlespace Engineering an Aircraft Hydrogen Powertrain Open System Software for Critical Applications Making Fully Digital Beamforming for Radar and Electronic Warfare Applications a Reality Defeating Commercial Drone Threats with Software Defined Radio Quantifying Eye Movement Trajectory Similarity for Use in Human Performance Experiments in Intelligence, Surveillance, and Reconnaissance (ISR) Research Using ScanMatch, a Matlab software package, to determine the similarity of two strings of eye tracking data provides useful background and recommendations for potential applications in Intelligence, Surveillance, and Reconnaissance (ISR) research. Stochastic Surveillance and Distributed Coordination Designing fast and unpredictable motion strategies for robotic surveillance agents in complex environments using Markov chain modeling and optimization methods.
Magazine

Aerospace & Defense Technology: October 2017

2017-10-01
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.
Magazine

Aerospace & Defense Technology: October 2021

2021-10-01
Developing Object Detection Systems for Autonomous Underwater Vehicles Developing Thermoplastic Composites for Use in Commercial Aircraft An Automated System for Multi-Physics Modeling Taking the Tactical Cloud with You Small Form Factor, Modular Data Centers at the Edge of the Battlefield Remanufacturing Reimagined How Selective Electroplating Extends Service Life and Reduces the Cost of Aerospace Components Satellite Paves the Way for Improved Storm Tracking Solar-Powered Satellite Hardware in Orbit Impact of Satellite Intelligence, Surveillance and Reconnaissance on Modern Naval Operations Determining whether afloat availability of satellite ISR, a technology that is relatively new, fundamentally changed naval operations and if so, to what degree. 3D Data Acquisition Platform for Human Activity Understanding Implementing motion capture devices, 3D vision sensors, and EMG sensors to cross validate multi-modality data acquisition and address fundamental research problems involving the representation and invariant description of 3D data, human motion modeling and applications of human activity analysis, and computational optimization of large-scale 3D data.
Magazine

Aerospace & Defense Technology: October 2022

2022-10-01
The Distributed Extreme Environment Drive System (DEEDS) What Is It? What Does it Do? How Does It Work? Using Virtual Reality to Improve Product Development Overcoming eVTOL's High-Power Connectivity Challenges Optimized Cutting Tools for Tomorrow's Sustainable Aircraft DC to DC Power Distribution in MilAero Applications Paving the Way for the Next Wireless Breakthroughs Solving Signal Interference Challenges in Aerospace and Defense Electronics In-situ Atmospheric Intelligence for Hybrid Power Grids: Volume 2 (Automated Data Flow Tests) To achieve battlespace dominance, energy flow characterizations of individual platforms and the aggregate battlespace must be developed to adapt and exploit the variable operating conditions.
Magazine

Aerospace & Defense Technology: September 2019

2019-09-01
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

Aerospace & Defense Technology: September 2021

2021-09-01
Pulse Plasma Nitriding for Aerospace Application Ruggedization of Electronics for Deployed Military Environments Migrating Advanced Signal Processing Technology to Rugged SFF Platforms Radar Recording Proves Next-Level System Performance As radar and electronic warfare systems contend with an increasingly crowded environment, recording tests, interactions, and conflicts provides insight that can help assure future triumphs. > Facing 5G New Radio (NR) Test Challenges Communicating Via Long-Distance Lasers The Purpose of Mixed-Effects Models in Test and Evaluation The simplest version of a mixed model-the random intercept model, where so-called random effects represent group-wide deviations from a grand mean-can account for day-to-day deviations in system performance while still allowing the results to be generalized beyond the few days of observed testing.
Magazine

Aerospace Engineering & Manufacturing 2008-03-01

2008-03-01
Making an impact in fastening Engineers at Electroimpact help the company get a leg up on the competition in automated fastening. Narrowing in on military requirements UAVs/UCAVs are increasingly important, with the accent on integration- and wider engine choice. Machining and turning centers take center stage Makers of CNC machining equipment are incorporating more and better functionality into their products so users cope better with processing challenges such as those posed by tough new grades of aerospace materials. Open (and often) communication As aircraft companies battle for market share, uniting design and manufacturing teams remains a key challenge.
Magazine

Aerospace Engineering & Manufacturing 2008-05-01

2008-05-01
Clean, quiet commercial propulsion Engine manufacturers design future engines to meet noise, pollution, and fuel economy needs. Robots take over Dramatic changes in areas as diverse as semiconductor costs, software tools, and the trend toward regional aircraft are creating opportunities for airplane manufacturers to automate their factories. Rapid prototyping to rapid manufacturing Durable, temperature-resistant powders and materials enable the manufacture of complex components. The research race Aerospace R&D funding in the U.S. is on the upswing, but new priorities create challenges for universities.
Magazine

Aerospace Engineering & Manufacturing 2008-07-01

2008-07-01
Going green to stay in the black Cutting energy usage, reducing chemical waste can help companies save cash. Saving space Engineers take a modern look at proven rocket technologies for the Constellation program. 'Center' of attention An abundance of test programs on the horizon leads Boeing to create a central command center to organize all test activities. Farnborough International 2008 A look at prospects and trends for this year's largest global aerospace trade show.
Magazine

Aerospace Engineering & Manufacturing 2009-04-01

2009-04-01
Improving power quality Avionics power supplies are being redesigned to reduce harmonic distortion and work with wild frequencies. Think smart As aerospace manufacturers and suppliers continually look for new ways to improve passenger safety and comfort, an increasing emphasis is being placed on the role of advanced, 'smart' interiors. Getting it together The manufacture and assembly of today's aircraft must be in line with market needs and emerging technologies in a challenging business environment.
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