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Aerospace & Defense Technology: April 2023

2023-04-06
Breathing Life into Artificial Intelligence and Next Generation Autonomous Aerospace Systems Robotic Rotational Molding Creates New Opportunities for Military and Aerospace Applications Rim-Driven Electric Aircraft Propulsion High-Speed Midwave Infrared Cameras Enable Military Test Range Tracking System What Today's Advances in Radar Technology Mean for Testing and Training Tackling Ruggedization Challenges for RF Communications in Software Defined Radios AUVSI XPONENTIAL 2023 The Blueprint for Autonomy Multi-Scale Structuring of the Polar Ionosphere Understanding a radically new sensing capability for polar ionospheric science introduced by observational evidence recently provided by the electronically steerable Resolute Bay Incoherent Scatter Radar (RISR). Stepped-Frequency Distributed Radar for Through-the-Wall Sensing A technical analysis of the effectiveness of distributed radar for through-the-wall sensing applications.
Magazine

Aerospace & Defense Technology: February 2023

2023-02-09
Using an Open Architecture Approach to Military Avionics Can Embedded Electronics Components Meet the Demands of Hypersonic Missiles? CMOSS/CMFF Trades Interoperability for Free-Thinking Innovation Exploring High-Performance Applications for Distributed Transport Property Thermoelectrics Heterogeneous Integration and SiPs Benefit SWaP-C Reduction The Future of Automated Guided Vehicles for Aerospace and Defense Next-generation AGVs are already starting to deliver labor and cost savings for the U.S. defense industry, and the commercial aerospace sector is watching closely Deep Reinforcement Learning Achieves Multifunctional Morphing Airfoil Control Smooth camber morphing aircraft offer increased control authority and improved aerodynamic efficiency. Smart material actuators have become a popular driving force for shape changes, capable of adhering to weight and size constraints and allowing for simplicity in mechanical design.
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

MOMENTUM: NOVEMBER 2019

2019-11-04
Getting an engineering foundation through Formula SAE Having an underclassman with no leadership experience as team captain proved to be no hindrance to the University of Texas-Arlington Formula SAE team. Experience and innovation walk hand in hand Team from Pontifical Catholic University carries success in native Brazil to U.S. in SAE Aero Design competition. 'Complete, finish, win' University of Stuttgart team rides that motto to victories and podium finishes by the dozen.
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

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

Aerospace & Defense Technology: May 2017

2017-05-04
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
Magazine

Aerospace & Defense Technology: December 2016

2016-12-01
Additive Manufacturing How 3D Printing Will Transform the A&D Support Chain Advances in Lightweight Electronics Protection Conformal Coatings Increase Reliability of Aerospace and Military Assemblies Powering Outer Space An In-Depth Look at Aerospace Battery Technology Using High Bandwidth Oscilloscopes to Analyze Radar and Electronic Warfare Systems Bio-inspired Airborne Infrastructure Reconfiguration (BioAIR) EMI Analysis Software Helps Telescope Group Simulate RFI Mitigation Epitaxial Growth of Rhenium with Sputtering Processing and Characterization of Polycrystalline YAG (Yttrium Aluminum Garnet) Core-Clad Fibers Multi-Scale Analysis of Deformation and Failure in Polycrystalline Titanium Alloys Under High Strain Rates Abrasion Testing of Products Containing Nanomaterials Spectrum Fatigue of 7075-T651 Aluminum Alloy under Overloading and Underloading
Magazine

Aerospace & Defense Technology: October 2016

2016-10-03
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
Magazine

Aerospace & Defense Technology: February 2015

2015-02-02
Wireless sensing--the road to future digital avionics A look at the comparative performance of wired and wireless sensors, type of wireless sensors & interfaces, frequency performance, protocols, network topologies and qualification standards. Testing reality in an increasingly complex design space Digital simulation tools have transformed the designing and testing of new airplanes, as well as the way they are manufactured and sustained.
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

Aerospace Engineering: July 9, 2014

2014-07-09
Simulations for safety Improved design tools let aircraft developers ensure that systems, software, and mechanical elements all work together.
Magazine

Aerospace Engineering: May 7, 2014

2014-05-07
Defying convention Rapid prototyping has the potential to play a beneficial role in unconventional autonomous airship design. By reducing model cost, build time, difficulty of construction, and maintaining acceptable surface quality and finish, designers have greater ability to analyze several configurations of airships and to change the geometry to increase stability, reduce drag, or fulfill mission requirements.
Magazine

Momentum: February 2014

2014-02-01
Evaluation of heavy-vehicle aerodynamic drag In an attempt to achieve a balance between Reynolds number, model scale, and tunnel blockage issues, a 1:3 scale heavy-vehicle testing program has been initiated at the Monash University 1.4-MW wind tunnel. Validating performance suspension parts advances A forum at the 2013 SEMA Show discussed three approaches to ensure performance parts compliance with Federal Motor Vehicle Safety Standard 126. Panelists also explained how simulation data, and kinematics and compliance measurements, can improve performance parts design. Active safety starts in the pilot's seat Dassault Aviation's next-generation integrated digital avionics systems contribute to enhanced air safety in civil applications. Chevrolet ups the performance ante with MY2015 Corvette Z06 Stiffer-bodied sports car gains wind-aided performance with supercharging and downforce for faster lap times.
Magazine

Momentum, the Magazine for Student Members of SAE International 2013-08-30

2013-08-30
Originality revs up Formula SAE Michigan teams More than 100 Formula SAE teams vied for top honors at the annual Michigan competition that spotlights one-of-a-kind open-wheel racecars designed and built by student engineers. American manufacturing in the hands of UNF students University of North Florida students design and build Formula vehicles for nationwide competition focused on challenging the minds of future engineers. Solar EV thunder down under Michigan is aiming for its first victory in next month's 2013 World Solar Challenge with a new asymmetrical racecar that is ready for 1860 mi (2990 km) in the Australian sun. Solar Impulse Team's next challenge: to circle the globe The next world-girdling version of the fuel-less flier will rely on featherweight polymers and composites.
Magazine

AEROSPACE ENGINEERING 2013-03

2013-03-06
Big fans gear up for new battles The big difference in newer commercial airplanes comes where it can't be seen: in the structure, in new materials, in the avionics, and most importantly, in the engines. Integrated Vehicle Health Management The aims of IVHM include improved safety through the use of diagnostics and prognostics to fix faults before they are an issue, as well as improve availability of fleets through better maintenance scheduling.
Magazine

Aerospace Engineering 2012-11-14

2012-11-14
Gradually going green The number of commercial airplanes globally is expected to double by 2030, but will there be enough fuel to keep them flying? 57 channels and everything's on Radios handle more frequencies as well as visual inputs, forcing developers to employ many design strategies. Surmounting modeling pitfalls A look at software tools that aid in the efficient model-based design of next-generation energy-optimized aircraft. When fuel cells fly Emerging hydrogen and fuel-cell-based technologies are being developed for the future replacement of onboard electrical systems in more-electric or all-electric aircraft.
Magazine

Momentum, the Magazine for Student Members of SAE International 2012-09-28

2012-09-28
Shed a few joules with better aerodynamics A team of engineering students from Laval University has managed to reduce the energy demand due to wind resistance of its Supermileage vehicle by 10% after carefully designing a new vehicle body with a 25% larger frontal area. Telemetry helps Formula SAE team close the loop on design Once a year, a team of students at Virginia Tech get to do something that ought to put a grin on any aspiring engineer's face: build a racecar. Unconventional steel wheel designs The drawings done by collegiate students for a steel wheel design competition had industry professionals thinking about future production possibilities.
Magazine

Aerospace Engineering 2012-07-18

2012-07-18
Designing the optimal airframe Integration of simulation software tools is the key, from aerodynamic CAE to structural analysis and optimization.
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