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Aerospace & Defense Technology: May 2024

2024-05-09
Explaining MOSA from the Team that Led the Army Aviation Mission Computing Environment Task Order What's the Best DC Motor for Your Commercial Aerospace Application? Aerospace Production: Overcoming Challenges in Composite Machining Understanding the Limits of Artificial Intelligence for Predictive Maintenance Pushing the Limits: Engineering Advanced RF Interconnects to Meet the Challenges of Hypersonic Missile Development Expanding Possibilities for Superconducting Qubits With Niobium Researchers Help Robots Navigate Efficiently in Uncertain Environments A new algorithm reduces travel time by identifying shortcuts a robot could take on the way to its destination.
Magazine

SAE Truck & Off-Highway Engineering: December 2023

2023-12-14
Perkins bets big on smaller engine The new 2600 Series 13-liter engine for off-highway machines will do more with less thanks to variable geometry turbocharging. BorgWarner targets more- sustainable e-motors System optimization and lifecycle analysis are key to taking heavy rare earths out of next-gen motors for commercial EVs. Enhancing digital platforms with CT data analysis TE Connectivity gains critical insights using Volume Graphics software throughout design, simulation and manufacturing.
Magazine

SAE Truck & Off-Highway Engineering: August 2023

2023-08-10
Enhancing truck-sensor modularity Kodiak Robotics' fifth-generation sensor stack and new SensorPods boost sensor and GPU performance and improve power efficiency. Bosch high on hydrogen The supplier is committed to all facets of the H2 economy as volume production of its power module kicks off for Nikola's Class 8 fuel-cell truck. Constructing bus structures with stainless steel Outokumpu and collaborators show a possible weight reduction of up to 35% by using high-strength stainless steel in place of carbon steel. Volta Zero is U.S. bound The startup plans to apply lessons learned in Europe to the U.S. market, bringing a "small fleet" of electric trucks for potential customers by the end of the year.
Magazine

Aerospace & Defense Technology: August 2023

2023-08-03
Electrifying Aviation: The Path to Decarbonizing the Skies /Electric aviation mirrors the early stages of the electric vehicle revolution Advances in Military Avionics Technologies Create New Challenges for RF Test and Measurement Plasma Electrolytic Oxidation: The Future of Lightweight Designs in Aerospace and Defense Advanced RF Simulation Reduces Cost and Schedule Risk Assure 5G NTN Performance Before Launch In the complex and quickly evolving 5G NTN landscape, simulating, emulating, and evaluating RF systems boosts mission success. Qualification of Multi-Channel Direction Finding Radar Receivers in The Lab Bullet Impact Testing of Ammunition and Explosives at Picatinny Arsenal A bullet impact (BI) test for evaluating the response of energetically loaded items has been established at the U.S. Army Combat Capabilities Command (DEVCOM) Armaments Center (AC) Explosive Development Facility.
Magazine

SAE Truck & Off-Highway Engineering: April 2023

2023-04-13
Headliners from Las Vegas Big reveals abounded at the triennial CONEXPO trade show. Following are some of the most notable unveilings from the desert. Cat doubles down on diesel with new C13D platform Deere pursues electric construction machines and charging infrastructure JCB debuts clean-sheet hydrogen combustion engine Volvo CE unveils electric asphalt compactor, announces NA arrival of L350H loader Honda reveals next-gen Autonomous Work Vehicle Deere 3D-prints fuel valves for tractors HP's binder jetting technology and GKN's manufacturing expertise helped John Deere realize its first 3D-printed metal part for mass production. Returning to the SAE presidency for 2023 Setting a "prudently aggressive" mindset in advancing SAE's goals in the mobility ecosystem.
Magazine

Aerospace & Defense Technology: September 2022

2022-09-01
The Sky is No Longer the Limit Celebrating 75 Years of Air Force Technology Air Force Technology Timeline Leveraging New Technologies for Mil/Aero Electronic Systems MOSA Enclosure Design for Military Systems Three Challenges to 5G's Military Success How to Specify and Select RF Filters Investigation of Requirements and Capabilities of Next-Generation Mine Warfare Unmanned Underwater Vehicles Model-based systems engineering (MBSE) tools, including functional flow block diagrams and functional hierarchies, are used to logically define mine countermeasure (MCM) UUV operations and support the development of alternative concepts of operations. On the Pulsed Laser Ablation of Metals and Semiconductors A comparison of effects across disparate experimental regimes through the study of pulsed laser ablation over several orders of magnitude in pulse duration, fluence, and material properties.
Magazine

SAE Truck & Off-Highway Engineering: December 2021

2021-12-02
Steel sector aids sustainability Volvo Group partners with SSAB on 'green steel' for off-highway machines and with Ovako for access to fossil-free hydrogen. CV autonomy: Picking the 'low-hanging fruit' Increasingly automated commercial vehicles offer challenges and opportunities in simulation, data management and standardization. Developing EV-specific lubes As electric-vehicle technology accelerates, dedicated e-fluids are necessary to maintain proper levels of drivetrain performance. Editorial Real-world emphasis on electric Mahle, Liebherr develop active pre-chamber for hydrogen ICE ABS ramps up commercial-vehicle battery-pack assembly Navistar updates A26 engine, improves FE by 4% Bosch debuts new CV-specific electric motor and inverter Western Star adds 'weight sensitive' 47X to vocational lineup Hyundai CE launches next-gen electric forklift Q&A Mahle's Laurent Art discusses thermal-management challenges, solutions for battery and fuel-cell electric commercial vehicles.
Magazine

SAE Truck & Off-Highway Engineering: April 2021

2021-04-01
Material selection for battery enclosures Mass reduction is the main reason BEV makers choose aluminum for battery enclosures, but cost and thermal requirements favor steel and polymer composites. Startup targets medium-duty EVs Atlis Motors purpose-engineers nearly all the vital components for an electric pickup and platform capable of spanning several market segments. High-voltage hybrids FEV engineers evaluate 48V and high-voltage parallel hybrid architectures for Class 6-7 commercial vehicles. Certain setups show more promise than others. Hemphill's mission: Support the innovation ecosystem Schaeffler America CTO Jeff Hemphill brings impressive technical chops and well-honed communication skills to his new role as 2021 SAE International president.
Magazine

Aerospace & Defense Technology: February 2021

2021-01-28
Empowering Soldiers Through ISPDS Dispensable Gels vs Gap Filler Pads An Analysis of Thermal Management Materials Electronic Warfare Vying for Control of the Electromagnetic Spectrum More Bang for the Buck A New Design and Manufacturing Method for Deep Penetrating Bomb Cases A Comprehensive Way to Use Bonding to Improve RF Performance of Low Noise Amplifiers Army and Universities Deploy New Warfighter Communication Technology Radiation Effects on Electronics in Aligned Carbon Nanotube Technology (RadCNT) Characterizing the fundamental mechanisms and charge transport phenomena governing the interactions between ionizing and non-ionizing radiation with carbon-based (nanotube and graphene) field-effect transistors (FETs) devices and integrated circuits (ICs).
Magazine

Aerospace & Defense Technology: December 2019

2019-12-01
Engineered Solutions for Enclosure Sealing and Insulation Tips for Reducing Error When Using Eddy Current Measuring Techniques Reducing the High Cost of Titanium Streamlining Post-Processing in Additive Manufacturing Software-Defined Analog Filters: A Paradigm Shift in Radio Filter Performance and Capability SDR Interface for the NeXtRAD Multistatic Radar System Electrodeposition of Metal Matrix Composites and Materials Characterization for Thin-Film Solar Cells Metal matrix composites, which consist of silver-multiwalled carbon nanotube-silver, layer-by-layer stacks, can electrically bridge the cracks (>40 μm) that appear in semiconductor substrates and the composite grid lines. Sensing Applied Load and Damage Effects in Composites with Nondestructive Techniques Comparing and correlating piezoelectrically induced guided waves, acoustic emission, thermography, and X-ray imaging to determine the effects of applied load on a composite structure.
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: June 2019

2019-06-01
Eyes in the Sky Rugged High-Speed Cameras Capture Critical Flight Test Video Data Panoramic Thermal Imaging Technology A New Concept in Naval Defense Coating Technology Enables Effective Missile Countermeasures FACE™ - Future Airborne Capability Environment Diminishing U.S. Combat Superiority Drives New Software Development Requirements Broadband 1.2- and 2.4-mm Gallium Nitride (GaN) Power Amplifier Designs Multi-Agent RF Propagation Simulator Electrical Characterization of Crystalline UO2, THO2 and U0.71TH0.29O2 Evaluating the suitability of advanced alloys for use in uranium-based neutron detectors. ONR Short Pulse Research, Evaluation and non-SWaP Demonstration for C-sUAV Study Research project is designed to map small unmanned aerial vehicle (sUAV) effects space, empirically and by simulation, as a function of high power microwave (HPM) waveform to develop effective countermeasures.
Magazine

SAE Truck & Off-Highway Engineering: August 2018

2018-08-02
Heavy-duty engine design Increasing regulations and market demands call for cleaner, more durable and fuel-efficient engines. Developers rely on CAE simulation, enhanced test methods and 3D printing to keep up. Switching to comfort mode Switches, knobs and touch panels evolve to reduce operator fatigue. Big on prognostics Smart data-analyzing procedures that support predictive maintenance will help to significantly increase the uptime of heavy-duty vehicles. The "Evolution of Big Data" symposium at SAE COMVEC 2018 addresses such critical topics. Starship road trip Optimized aerodynamics and production-ready technologies propel Shell's Class 8 concept to a 248% freight-ton-efficiency improvement.
Magazine

Tech Briefs: June 2018

2018-06-01
Beyond VMEbus - A New Concept Taming the Thermal Behavior of Solid-State Military Lasers Solving the Challenge of Thermal Design in Aerospace Electronics Improving Component Life in Abrasive, Corrosive Aerospace Environments New Pulse Analysis Techniques for Radar and EW Validation of Ubiquitous 2D Radar Converting Existing Copper Wire Firing System to a Fiber-Optically Controlled Firing System for Electromagnetic Pulsed Power Experiments Technological improvements make pulsed-power experiments with gunpowder- or air-driven guns safer. Low-Cost Ground Sensor Network for Intrusion Detection COTS-based system could provide increased level of security with less manpower. In-Network Processing on Low-Cost IoT Nodes for Maritime Surveillance Commercially available system of distributed wireless sensors could increase the Navy's intelligence collection footprint.
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

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

SAE Truck & Off-Highway Engineering: February 2018

2018-02-01
Electrification not a one-size-fits-all solution Efforts in the off-highway industry have been under way for decades, but the technology still faces implementation challenges. SuperTruck redux A year plus into phase two of the promising DOE program to dramatically improve freight efficiency, project leads from three of the participating truck OEMs share their progress thus far and technology paths moving forward. From research to reality Danfoss works closely with off-highway OEMs throughout the development process, testing and demonstrating machines packed with new technology features. Big Data a focus for 2018 SAE President Mircea Gradu Velodyne CQO sees use of Big Data as a way to capitalize on multiple industry trends including vehicle electrification and automated vehicles.
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: 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.
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