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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

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

Automotive Engineering: May Digital 2023

2023-05-01
Finding solutions for Sustainable Mobility SAE created its SMS team to help industry rethink itself as part of the new industrial revolution and the EV transition within it. Debarbonizing the EV battery supply chain Altering manufacturing processes and using a much higher percentage of low emission energy can help the battery industry get greener rapidly, according to a new McKinsey & Co. report. Europe's dust buster The pending Euro 7 vehicle-emissions regulations include a significant new sustainability wrinkle: first-ever restrictions for PM emissions from brakes. E-fueling for the future The development of carbon-neutral e-fuels enjoyed a major boost from European regulators, but production cost and scale remain issues. Fuels to transition the global legacy fleet The EV bandwagon has obscured potential solutions for decarbon-izing the enormous global ICE legacy fleet.
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

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

Automotive Engineering: September 2021

2021-09-01
Weaving a new future for composites In a shift perhaps as prolific as steel to aluminum, woven plastics may finally bring the magic of composites to cost-effective mass-production. New composites target EV applications No longer a low-volume play, the latest composite materials offer EV developers new options for lightweighting, thermal management and structures. Acura TLX is Honda's new body-build benchmark All-new for 2021, Acura's midsize sport sedan gets an exclusive platform to go with its structural, materials and dynamic advancements. Body development leader Jeremy Lucas explains. Schaeffler builds an e-motor powerhouse Armed with state-of-the-art manufacturing and a history of innovation, Schaeffler Group is attacking the e-mobility space, says Daniel Sayre.
Magazine

Automotive Engineering: June 2021

2021-06-03
Teardown Titan Munro & Associates is leading competitive analysis into the EV age - and spreading the gospel with a global YouTube fan base. Lightweight steel on a (cold) roll A newly developed high-strength steel for cold stamping aims to beat aluminum for EV battery enclosures and other vehicle applications. How EVs and their electronics stick together New adhesives play an increasingly vital role in vehicle structures, battery packs, and in protecting sensitive electronic components from extreme thermal cycling and contaminants. Editorial Farewell and thanks, Mr.
Magazine

Automotive Engineering: May 2021

2021-05-06
Software transforms vehicle development Software-defined vehicles are driving major changes in hardware and control architectures. Model-based analysis of e-motor designs Observing the magnetic field distribution, electromagnetic torque, and iron loss distribution allows engineers to optimize specific performance with minimal weight and material costs. NVH simulation meets realism New toolsets help reduce development time and bring sound and vibration data into the real world. Metamaterials R&D targets NVH abatement Nissan readies its lightweight acoustic solution for 2022 production - will Hyundai follow?
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

Automotive Engineering: September 2020

2020-09-01
Superlight superbike: 2021 Ducati Superleggera V4 Ducati pioneers the first street-legal production motorcycle with a full carbon-fiber chassis, as well as advanced aerodynamics. CFRP technical resources New 2020 SAE Technical papers detail current carbon-composite material developments. Virtual and physical testing of Third-Generation High Strength Steel Evaluating a new high-strength steel's ability to improve an existing stamped-steel production part. Static testing of EV components Firing nails into your latest Li-ion battery pack is but one of many regimens in the comprehensive testing of new electric vehicles.
Magazine

Automotive Engineering: June 2020

2020-06-04
Tesla casts a new strategy for lightweight structures The EV maker boldly invests in the world's largest aluminum die-casting machine to manufacture entire rear underbody structures. Steel the Real Deal Steel's infinite recyclability will help it remain the auto industry's material of choice, insists Tata Steel Europe's CCO. Tesla's Cybertruck is audaciously austenitic A proprietary 301-series stainless steel gives Tesla's first pickup truck unique sales attributes while saving tooling cost. Lightweight design beyond CAD New computational tools enable an integrated data-fusion approach to complex, mixed-materials engineering. An expert from nTopology explains. Editorial Impressions of a rocket launch SAE Standards News New Cooperative Driving Automation standard provides clarity to support advancement of full automation Supplier Eye Now comes product-cadence chaos What We're Driving Can CHAdeMO 3.0 standardize global EV quick-charging?
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

Tech Briefs: September 2018

2018-09-01
Enhanced SATCOMs for Unmanned Aerial Systems The Bus Too Tough to Die Combating Infrared Threats on the Battlefield Optical Interconnect Design Challenges in Space High-Performance Computing for the Next-Generation Combat Vehicle Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency Integrated Magneto-Optical Devices for On-Chip Photonic Systems Development of magneto-optical (MO) materials could lead to a range of nonreciprocal optical devices for emerging standardized photonic integrated circuit (PIC) fabrication processes. Low Power Optical Phase Array Using Graphene on Silicon Photonics Electrostatic doping of 2D materials embedded in waveguides could enable ultrafast devices with unprecedented power. Spatial Resolution and Contrast of a Focused Diffractive Plenoptic Camera New technology captures spectral and spatial information of a scene in one snapshot while raising pixel counts and improving image quality.
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