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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

Automotive Engineering: February 2024

2024-02-08
SDVs redefine OEM, supplier relation- ships and deliver new feature CES 2024 offers a busy look at the software-defined-vehicle future Tuning-up AI's 'understanding' to make safer ADAS, AVs Kognic's advanced interpretation of sensor data helps artificial intelligence and machine learning recognize the human thing to do. Tremec-trification Tremec cranks up electric-drive innovation as the logical extension of its transmission-making expertise.
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

Autonomous Vehicle Engineering: November 2023

2023-11-09
Editorial Automated driving's continuing mission: One step forward… The Navigator Are robotaxis ready for prime time? AV Simulation Faces a Long and Winding Road There are many divergent-but-related ideas about how best to leverage simulation to 'teach' and test automated vehicles. Global AV simulation experts continue to attack the technology's persistent obstacles. DOT's 'Framework' for AV Development The U.S. Department of Transportation establishes structure to advance collaborative AV testing. The Chaos of Automotive Data Privacy Regulators and other privacy advocates believe vehicle-related data collection and brokering is in overdrive. One expert believes a day of reckoning is coming. Simulation Developer rFpro Mimics Vehicle Sensors 'Ray-tracing' software enables the training of ADAS systems entirely by simulation. Eight of the top 10 OEMs are using it. New Tools & Technologies
Magazine

Automotive Engineering: October 2023

2023-10-05
Hitting the comfort zone Batteries and humans like to be at room temperature. Thermal-management systems make sure that happens - while maximizing efficiency. The first modern EV was…a Corvair? Most industry experts cite GM's EV1 as the first EV of contemporary times. But the EV1 had a pioneering forerunner from decades prior. Magnet selection for cost- optimized motor designs MQ1 Magnets are particularly suitable for demanding applications such as automotive accessories and home appliances. Editorial A time-out for EVs and ADAS?
Magazine

Aerospace & Defense Technology: September 2023

2023-09-07
How Thunderbolt 4 Helps Bring Fault-Tolerant, Distributed Systems to Market Delivering Operational Energy to Enhance Warfighter Capability Optoelectronic Analog Signal Transmission Takes Center Stage Amidst Aerospace and Defense Innovation Shaking Outside the Box to Advance Flight Research An Introduction to Quantum Computing How Laser Communications Innovation is Finally Coming of Age and Driving Innovation in Defense Spatial Calibration for Accurate Long Distance Measurement Using Infrared Cameras A new spatial calibration procedure has been introduced for infrared optical systems developed for cases where camera systems are required to be focused at distances beyond 100 meters. Towards Greater Sensitivity: A Brief FTIR and Infrared-Based Cavity Ring Down Spectroscopy Comparative Study A presentation of work comparing efficacy of a traditional IR method used as a standard within the U.S.
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

Aerospace & Defense Technology: June 2023

2023-06-01
Overcoming Machining Productivity Challenges with Aerospace Components Why the Turbomachinery Industry is Increasingly Bullish on Additive Manufacturing 3D-printed metal-alloys are answering critical needs for high fluid flow, high-pressure parts. Airborne Inspection Sensor Evolves with LiDAR, Mid-IR and Artificial Intelligence Air Force eVTOL Research and Development Programs Make Remote Pilot Progress Creating a Digital Gateway for RF Domain Will Advance Designs That Meet DoD Initiatives Understanding the Unique RF Interconnect Requirements for Ultra-Demanding Hypersonic Missile and Satellite Applications ADS-B Classification Using Multivariate Long Short-Term Memory This analysis extends previous research that used long short-term memory-fully convolutional networks to identify aircraft engine types from publicly available automatic dependent surveillance-broadcast (ADS-B) data.
Magazine

Aerospace & Defense Technology: May 2023

2023-05-11
How Electrification and Autonomy Can Unlock the Potential of Unmanned Ground Vehicles VITA 90: Small Form Factors for UAVs and Other Space Constrained Platforms 3D Scanning Provides Key Weapon for Aerospace and Defense Manufacturing New Approach to Viscosity Enables Complex Motions in Soft Robots Ghoul Tool: The Weapon-Mountable Counter UAS Transmitter Autonomous Surveillance Technologies Relating to Dismounted Soldiers The development of the autonomous applications for dismounted Soldier systems is paramount to defeating our adversaries, such as China and Russia, in future combat. A comprehensive literature re-view is necessary to assist in defining the best path forward. Robust MADER: Decentralized Multiagent Drone Trajectory Planner Communication delays can be catastrophic for multiagent systems. However, most existing state-of-the-art multiagent trajectory planners assume perfect communication and therefore lack a strategy to rectify this issue in real-world environments.
Magazine

Autonomous Vehicle Engineering: April 2023

2023-04-13
Editorial Threats to automation's reputation The Navigator Increasing EV range through increased compute efficiency The Road to Zero Prototypes ADAS and HMI development are important applications for new simulation solutions. Lidar vs. Everybody in the Onboard Sensor Race Future vehicle systems will feature a reduced sensor array, but still will need a technology combination for safe performance. Toyota's Advanced R&D Puts Humans First Creating technologies that amplify human experience and endeavor to help solve society's biggest challenges is the mission of the Toyota Research Institute. Tesla's FSD Recall Impacts AV Industry The automaker's recall of its Full Self Driving Beta leaves a significant dent in automated driving's credibility. Mercedes Mimics Microsoft Mercedes-Benz developed an in-house operating system to join an all-new vehicle platform architecture to enhance automated driving, OTA updates and other features. New Tools & Technologies
Magazine

Automotive Engineering: April 2023

2023-04-06
Steer-by-wire stars on the new Lexus RZ 450e Lexus' first BEV arrives with innovative touches, dual-axle propulsion and less-than-spectacular range. Rethinking the grid for EVs Interoperability and 'smart' energy management are vital for meeting EV charging demand. Designing for 200 BMEP and 22,000 RPM How Honda's Grand Prix motorcycle program in the 1960s created the world's most-advanced IC engines. Spelling Ford with an 'e' Ford Motor Co.'s new Model e team aims to transform the 120-year-old auto giant. Meet some of its new technology leaders. Chamber made to protect EV batteries With the ACS Dust Chamber, testing to ISO 20653 helps ensure EV battery housing designs will keep out dust and small particulates.
Magazine

Automotive Engineering: March 2023

2023-03-09
The push for e-powertrain progress Upstarts and heavy-hitter suppliers alike are fast-tracking advances in existing e-propulsion technology - as well as radical new solutions. Battle for the box EV battery enclosures are a hotbed of subsystem design, materials innovation and vehicle integration. Returning to the SAE presidency for 2023 Boeing veteran Todd Zarfos brings a "prudently aggressive" mindset to help advance SAE's goals in the mobility ecosystem. Balancing the 'dominos' in EV thermal management Excessive internal valve leakage is an inefficiency that worsens upstream system inefficiencies. Effective valve design is the solution. Deep breathing for EV batteries Optimum venting is a key to maximizing EV battery pack performance and safety. An expert offers five important design considerations.
Magazine

SAE Truck & Off-Highway Engineering: February 2023

2023-02-09
Virtual powertrain development Simulation is critical for efficient product development, but proper tool selection and efficient data management are keys to success. Blue Arc amps up for EV production Shyft Group's EV subsidiary is lighting the path for the electrification of last-mile delivery vehicles as well as mobile charging solutions. Increasing connectivity in construction Jobsites look to overcome challenges posed by mixed fleets and proprietary telematics to achieve "one-dashboard" vision and increased machine utilization.
Magazine

Automotive Engineering: February 2023

2023-02-02
Time for hydrogen No longer '20 years in the future,' hydrogen and fuel cells are a vital, high-growth solution for carbon reduction across the transportation and other industry sectors. Quicker pathways to reduce transportation's climate impact Reducing U.S. vehicle emissions will require policies that support a variety of alternatives to fossil-fuel-burning, non-hybrid vehicles. 'Perfect' should not be the enemy of 'good.' BMW reapproaches hydrogen Top engineers in Munich talk about the vital role of H2 fuel cells in the climate crusade as iX5 pilot-fleet production begins.
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

Automotive Engineering: September 2022

2022-09-01
Chattanooga Power Haus Volkswagen sprints forward in the EV race by integrating battery test, production and EV assembly in the U.S. A materials lesson in Civics Honda's Indiana-based project leader shares insights on meeting all-new product challenges with the launch clock ticking - during COVID. From emissions tech to EV electronics Eberspaecher's Electronics unit is enabling big growth in EV and AV business.
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

Automotive Engineering: July/August 2022

2022-08-01
R1T Exposed! A comprehensive teardown of Rivian's pioneering electric pickup reveals praiseworthy build quality, innovative thinking…and some lapses in manufacturability. EVs drive NVH materials innovation Skateboard platforms, high-frequency motor noise push lower dB thresholds and new countermeasure solutions. Optimizing design for additive manufacturing Avoiding the pitfalls of 3D printing requires knowing the process limitations - and how to work around them. An expert at a leading AM specialist shares insights on getting it right. Real-time processors help drive the zonal E/E revolution With its new generation of software-compatible processors, NXP aims to accelerate systems consolidation and performance.
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.
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