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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

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

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

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

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: June 2022

2022-06-02
Making the torque-transfer transition Amsted Automotive Group saw the EV revolution coming and has 'the means' to deliver greater driveline efficiency. AAG's top engineers talk next-gen technology. Electric radiant heat for EV cabin comfort New HVAC tech helps Toyota tackle the EV heat-vs.-range conundrum. Honda sticking with structural adhesives Honda extends its use of adhesive bonding to the 2022 Acura MDX, enhancing the vehicle's dynamic performance, among other benefits. Principal engineer Patrick Shafer explains. Editorial EV, give me heat! Supplier Eye Inflation ignites another supplier squeeze Toyota reinvesting in collaborative safety research SAE and NREL partner to strengthen EV-charging cybersecurity Expanding the 'bubble' of cabin acoustics 2022 Ford F-150 Lightning redefines the pickup paradigm GM's Hummer EV is like nothing else
Magazine

Aerospace & Defense Technology: April 2022

2022-04-01
Artificial Intelligence in the Battlespace Key Considerations for a New Way of Fighting War Machining Beryllium Electrified Propulsion for Aerospace Where to Start The Future of Managing Mission-Critical Systems Improving Battlefield Connectivity for the Modern Warfighter How to Test a Cognitive EW System Molded RF Materials for Hypersonic Sensors and Seekers AUVSI XPONENTIAL Multimode Optical Fiber Sensing Although the vast majority of fiber optic strain sensors use single mode fiber, multimode fiber has a higher nonlinear threshold that enables higher light levels and lower noise, while the diversity of spatial modes can be used to develop sensors that are inherently immune to signal fading. Autonomous and Resilient Management of All-Source Sensors for Navigation Assurance As the number and type of sensors informing a system increases, so does the probability of corrupting the system with sensor modeling errors, signal interference, and undetected faults.
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

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

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.
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