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Automotive Engineering: June 2023

2023-06-01
Engineering at the new NVH frontier Electrification brings new benchmarks, tools and challenges to the ongoing battle with noise, vibration and harshness. Hydrogen storage in a box! Cylindrical tanks no longer are the only solution for storing high-pressure hydrogen gas. The future is looking decidedly square - and better for vehicle range and packaging. A connected approach to auxiliary battery control An 'intelligent' systems strategy ensures that an electrified vehicle's auxiliary battery has enough energy to meet basic loads, whether the vehicle is running or in park. Editorial The gas-station paradigm for EV charging Supplier Eye Electrification brings supplier value closer to home New Chinese EV feature ASSB tech Battery- and chip-analysis companies join to chop production time Setting guideposts for product liability and ethics in AI Lincoln unveils redesigned 2024 Nautilus SUV 2025 Ram 1500 REV offers class-leading big battery Product Briefs Spotlight: Noise & Vibration Tech
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

Automotive Engineering: May 2022

2022-05-01
Honda airs it out Honda's aerodynamic and NVH development gets a breath of fresh air from its first full-scale wind tunnel in North America. Two-wheeled tech: The latest in motorcycle applications Drawing heavily from automotive advances, the latest in connectivity, safety and convenience are infiltrating the moto world. Nobium: magic metal for battery anodes? Increased cell capacity and rapid recharging in thermal extremes are potential benefits of electrode chemistries fortified by the humble element Nb. Editorial Reconsidering hybrids Supplier Eye Preparing for a lumpy EV transition SAE WCX 2022: ICE won't melt amid shift to EVs ICE life-extension: searching for more solutions Stellantis' Hurricane is coming Bringing back the hot hatch: 2023 Toyota GR Corolla 2022 Jeep Grand Cherokee plugs in Q&A Eunjoo Hopkins, vehicle synthesis manager for the 2022 Jeep Grand Cherokee 4xe, talks about meeting vehicle-integration "science goals" for the hybridized 2022 Grand Cherokee.
Magazine

Automotive Engineering: September 2019

2019-09-01
Engineering the 2020 Chevrolet Corvette The eighth-gen (C8) Corvette is a creative mix of novel and traditional technical solutions - unleashed at a shockingly low base price. Stuck on structural adhesives As the need for lighter materials and enhanced body performance intensifies, structural adhesives flourish as a materials-joining solution. Rethinking ADAS materials New specialized thermoplastics offer greater design freedom to improve sensor performance and packaging, at reduced cost. Inside VW's expanding Silicon Valley lab The pioneering California innovation hub enters its third decade on a new wave of innovation.
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

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

Automotive Engineering: August 2017

2017-08-03
Hacked! Is automotive ready for the inevitable? Cybersecurity experts talk defense strategies. Active Aero takes flight Reconfigurable "smart" aerodynamic aids are stretching performance-car envelopes in every direction. The motorcycle's balanced future With its Ride Assist technology, Honda R&D moves two-wheelers toward autonomous capability. Honoring lightweight innovation Chrysler, Toyota, Faurecia and AP&T recognized with the 2017 Altair Enlighten Award for their efforts to reduce vehicle weight.
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

SAE Truck & Off-Highway Engineering: February 2017

2017-02-02
The next phase Meeting Phase 2 fuel efficiency and GHG emissions for heavy trucks will require multiple technology pathways-some of which are still on the horizon. Active vibration damping for construction machines An innovative concept for an active system to reduce machine oscillations based on frequency identification. Consumer electronics come on board Smartphones and tablets are likely to play a large role in HMIs for heavy vehicles-if productivity and safety are not compromised. Patton's new campaign As new SAE International President for 2017, Doug Patton will advocate STEM, "cultivation" of prospective young engineers. PACCAR's Sproull primed for SAE Commercial Vehicle post As SAE International's new 2017-2020 Commercial Vehicle Sector VP, Landon Sproull intends to bolster the society's involvement in evolving industry regulations and to better cultivate cross-sector alliances.
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

Automotive Engineering: May 5, 2016

2016-05-05
New dawn at Honda R&D President Yoshiyuki Matsumoto aims to invigorate Honda's technology and product-development organization with 'full soul.' Automated driving meets regulation: NHTSA and the next 50 years The challenges and opportunities on the road to 'zero deaths' demand a new level of federal automotive safety technical standards, and a new safety-defect reporting and recall system. NHTSA and the U.S. Congress must act boldly and quickly to make it happen. Autonomous driving meets regulation: Hands off, eyes off, brain off Euro NCAP'S president warns that without coherent policies, the growing availability of automated technologies may result in piecemeal technology development-and unintentional consequences. Designer yin meets engineer yang Efficient and effective vehicle development means even closer collaboration between the two former sparring partners.
Magazine

Automotive Engineering: November 3, 2015

2015-11-03
Active in aero Several automakers-notably Mercedes-Benz and Audi - used the Frankfurt Motor Show stage to reveal sleek vehicles that aggressively employ active aerodynamic elements and other advances to reduce drag. Composites permeate inside and out Composite materials are gaining popularity for both unseen structural components and for exterior eye candy. Powertrain testing: coping with complexity With increasing use of electrical components to extend the performance of conventional combustion engines, powertrain development has never been more complicated. The good news is that test and development engineers are harnessing advanced simulation techniques and computer processing to develop the most efficient and fun powertrains ever. Can ads help in vehicle-to-vehicle rollout? Porsche unveils new downsized, boosted 3.0-L boxer six. Johnson Controls, Faurecia envision interiors for autonomous driving. Jaguar enters performance crossover SUV segment.
Magazine

SAE Off-Highway Engineering: August 5, 2015

2015-08-05
Making sense of autonomy Industry offers a range of sensors that will free humans from many tasks while also improving reliability, though devising strategies that meet demanding requirements without breaking the bank is no easy challenge. Life-cycle planning-Design and calibration for ultimate efficiency The ultimate power of Big Data technologies relies on the implementation of new strategies. Unlike a traditional engine calibration process, in which only calibration test data and model simulation data are used, multiple source data introduced into the adaptive engine calibration process contributes to efficiency and cost reduction. The complicated future of off-highway engines Developing an optimum engine is getting tricky now that the European Union has established a Stage V for off-highway engines, and the U.S. has not. What effect will this have on future engine designs?
Magazine

Automotive Engineering: May 5, 2015

2015-05-05
Democratizing hybrid technologies Engineers continue to wring efficiency and mass out of their latest electrified propulsion systems with the aim of mainstreaming the technology. Automakers see possibilities, limits for gesture controls Recent concepts have shown the possibilities of gesture for controlling infotainment functions but the need for industry standards and control simplification complicate development. Ferrari massages 458 to create 488 GTB Ferrari engineers have further refined the 458 Italia model with a new turbocharged and downsized engine and revised aerodynamics to create the 488 GTB.
Magazine

Automotive Design: October/November/December 2014

2014-11-30
Riding on a high Rudi Schurmans and Ben Patel head up Tenneco's suspension and clean air divisions. Ian Adcock discovers what the automotive future holds for them Driverless revolution has begun! Breakthrough Photonic radar promises greater accuracy at lower cost, Ian Adcock discovers Winds of change are here Simulating aerodynamics will make a step-change in vehicle design, as Stephen Remondi, President and CEO of EXA, explains to Ian Adcock
Magazine

Mobility Engineering: June 2014

2014-06-01
Steering a better path New mechanisms developed by NIT Warangal are simpler than the Ackermann type and allow all four wheels to undergo pure rolling. Monitoring fine particle concentrations A robust and versatile system has been developed by Pegasor Oy to measure engine exhaust particulate mass and number more accurately. New rules shuffle the F1 deck New turbocharged hybrid-electric power units and revised aerodynamics may scramble the familiar order in Formula One for 2014.
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

Automotive Engineering: February 4, 2014

2014-02-04
Designing for downforce Airflow is paramount for performance vehicles, which require aerodynamic enhancements to promote high-speed stability and greater cornering capability. Powering a drive to higher voltages 48-V systems are likely to power a new generation of functions including stop-start technology. Managing the deluge of data The model-based development (MBD) process has been a key enabler of technical advancement in the transportation industry; however, the MBD process leads to the generation of large volumes of data artifacts and work products. To maintain efficiency while continuously improving the quality of products, it is necessary to be able to manage this data in an efficient manner. A vision for SAE's future Longtime GM engineering executive and STEM education supporter Daniel M. Hancock brings a focused approach to his term as SAE International President.
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 2013-11-01

2013-11-01
New contender for the World Solar Challenge Splitting the solar power supply from the aerodynamics was the innovative approach taken by the U.K.-based Cambridge University Eco Racing Team. Mobility in the 21st Century for India: planning and creating multimodal transportation systems India's rapidly growing population has made transportation systems unable to effectively keep up with demand, losing the country untold man-hours and wasting money. 2014 Corvette: 460 hp, 30 mpg, 1 g, $52,000 No other sports car can match the C7's combination of performance, value, and overall efficiency. Chief Engineer Tadge Juechter provides insight on executing a masterpiece.
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