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SAE Off-Highway Engineering 2013-08-08

2013-08-08
Simulating off-highway hybrids With customers squeezed by fuel costs, off-highway OEMs are showing some interest in developing hybrid equipment. CAE simulation tools are needed because of lack of experience with such devices. Their functional complexity requires control system simulation throughout their lives. A hose is a hose is a hose Researchers develop a method for the precise mounting of a hydraulic hose model. Integrity sensing for safety Researchers from Purdue developed a capacitance-based method for monitoring the integrity of tires, hoses, and other polymeric products during manufacturing and throughout the useful product life.
Magazine

Autonomous Vehicle Engineering: January 2019

2019-01-08
Editorial Trust, testing and transition SAE Standards News SAE updates J3016 automated-driving graphic View from a Visionary Chris Urmson helped give birth to vehicle autonomy. His company, Aurora, is leading the technology to maturity and widespread adoption. Extending EV Range Using AV Programming Intelligent programming of autonomous electric vehicles offers potentially big energy savings, according to a study by IAV. Intel Study: Autonomous Vehicles Expected to be Common-in 50 Years New U.S. consumer survey sees most Americans "expect" AVs, though many currently fear the technology. Europe's Latest AV Testing Facilities Key for Swift Autonomous Adoption The need for data sharing and commonality in burgeoning AV technologies is bringing new meaning to the words 'proving grounds.' End Public 'Shadow' Driving! The best way to test and train AI for autonomous vehicles is through proper simulation, systems engineering, and an end-state scenario matrix.
Magazine

Autonomous Vehicle Engineering: May 2021

2021-05-01
Editorial Making Safety Standard The Navigator Sensor Monoculture is a Terrible Idea 3D-printed Radar Rises Toward Production Lunewave's unique Luneburg-lens technology aims to simplify vehicle radar arrays - and deliver better ADAS and AV performance. Accelerating Automotive Radar NXP's new, fifth-generation chipsets unleash 16-nm FinFet technology to the ADAS and AV markets. Autonomy's Computing Backbone Cloud-computing networks are speeding AV development and preparing to manage tomorrow's data-reliant AV fleets. Get in Line Evolving truck-platooning techniques are paving unique paths to high-level commercial vehicle autonomy. Ford in 'No-hands' Land BlueCruise hands-free driver-assist is available later this year for the Mustang Mach-E and F-150 pickup. ADAS-equipped Trucks Save Bucks Bosch research finds one specific driver-assistance feature may reduce costs associated with property damage by up to 35% for Class 7 and 8 trucks.
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 International 2000-02-01

2000-02-01
Increasing the hydroforming knowledge base Tube hydroforming has become a viable economic alternative to various stamping and welding processes in automotive applications. Controlling two-stroke engine emissions With the constant rich operation of two-stroke engines, common design criteria for three-way catalysts fail. DaimlerChrysler technical symposium A year after the merger that created the new corporation, engineers from both groups came together to present a unified technical symposium to review the future direction of the new organization. Here are some highlights of the more significant technical developments. Vertical complex-shape headlamp reflectors Another improvement in lighting technology gives designers increased flexibility in vehicle appearance with no loss in lighting performance. Advances in static and dynamic exhaust system seating Major redesign, combined with minor improvements in simple details, returns significant benefits in sealing.
Magazine

Automotive Engineering International 2000-11-01

2000-11-01
Getting the aero advantage Team Rahal has come up with several innovative ways of integrating and implementing Fluent Inc.'s computational fluid dynamics softwarae into its engineering process. Jordan Grand Prix benefits from 3-D design This motorsports team's transition from 2-D design to 3-D digital modeling using SDRC's I-DEAS software has resulted in shorter lead times and improved part fit. The 2002 Explorer/Mountaineer Ford engineers further improve ride, handling, and safety while increasing the vehicles' power. Cadillac's re-engineered Escalade The 2002 model has a host of new, advanced features including "Northstar-inspired" powertrains, StabiliTrak stability control, and a Road Sensing Suspension system. Explorer Sport Trac breaks new ground Ford says its 2001 Explorer Sport Trac, based on the 2001 Explorer four-door, was engineered for improved ride and handling, and is the first traditional SUV with an open cargo area.
Magazine

Automotive Engineering International 2005-11-01

2005-11-01
Frankfurt (Hybrid) Motor Show Dual-power technology was driven through the doors of the huge German complex in a way that has never been seen before. Bringing good things to light Emerging lighting technologies deliver more design flexibility as they get brighter, smarter, and smaller. Tightening supply chain links Improved electronic tools and more outsourcing fuel increased collaboration. Extreme two-wheeler engineering American Motorcyclist Association Superbike racing spurs development of truly super street bikes. Engineering for the aftermarket Suppliers that serve the OE market are setting their sights on the growing market for customization.
Magazine

Automotive Engineering International 2008-11-01

2008-11-01
Managing software growth An increased emphasis on modeling and autocoding makes it easier to add software-based features and functions, driving a sea change in the way complex automotive systems are designed. Going beyond Bin 5 and Euro 5 An early look at some of the emissions-control and aftertreatment technologies and tools aimed at helping automakers meet future U.S. and European regulations. Finding flexibility Although automation is important to achieving flexibility, manufacturers cannot neglect product design, manufacturing processes, and personnel. Looking for a little help Automotive companies increasingly look outside, offshore to get complex designs finished quickly. The autonomous future Like it or not, cars that drive themselves are on the horizon. Will you trade control for safety? Dodge Ram A keen focus on fuel economy centers on improved aerodynamics, powertrain efficiency, and weight-reducing technologies.
Magazine

Automotive Engineering International 2007-11-01

2007-11-01
Cadillac CTS GM's all-new global sports sedan makes no excuses in chassis dynamics, body integrity, powertrain performance, premium materials, and overall craftsmanship. Taking control of hybrids Software must monitor and manage many parameters while coordinating the complex operations of the engine, electric motors, and batteries. LIghter, faster, lower cost Ducati's top engineer brought a "maniacal" approach to developing the 1098 superbike. Diesels' brave new year Lean-NOx catalysts, closed-loop cylinder pressure sensing, and homogenous combustion are making "50-states" diesels a reailty. Behind the curtain AEI takes an in-depth look at how the designers and engineers at General Motors took the company's trio of new crossover SUVs from sketchbook to road. Engineering from everywhere With future growth in car and truck sales coming mainly from emerging markets, companies are realigning their engineering operations accordingly.
Magazine

Automotive Engineering International 2004-10-01

2004-10-01
Safe and sensitive Sensor fusion is the latest data sharing scheme for improving the performance of safety systems. BMW counts down to 1 Series The company's latest entry in the premium compact segment comes to market with rear-wheel drive, 50:50 weight distribution, and longitudinally mounted engines headlined by a powerful turbodiesel. Chevrolet re-engineers Corvette Although the new C6 is shorter and narrower than its predecessor, engineers wanted "more power, more passion, more precision" for the two-seat sportscar. 2005 Honda Odyssey The completely re-engineered model features new technologies from the inside out related to safety, performance, and entertainment. Chrsyler 300 / Dodge Magnum The "it" vehicles for the 2005 model year feature advanced technologies such as cylinder deactivation to go along with Hemi power and distinctive styling. Ford makes space for family vehicles Volvo donates its P2 platform for the new Ford Five Hundred, Freestyle, and Mercury Montego.
Magazine

Automotive Engineering International 2004-09-01

2004-09-01
Ultracapacitors charge ahead The limitations of current energy-storage solutions could encourage consideration of these alternative solutions, but more engineering work needs to be done to reduce costs. Technology for all Automotive industry executives expect high-end technologies, once considered only for inclusion in luxury cars, to increasingly make their way into entry- and mid-level vehicles in the very near future. Convergence continues A lot of automotive electronics ground has been covered at the Convergence conferences past, and there's more to come at this year's show in October. Fueling the next generation As hydrogen joins the battle for automotive power with gasoline and diesel, the future could be more choices rather than one winner.
Magazine

Automotive Engineering International 2008-05-01

2008-05-01
GM's hybrid SUVs: AEI's Best Engineered Vehicles for 2008 The Chevrolet Tahoe Hybrid and GMC Yukon Hybrid get up to 50% better city and 30% better combined fuel economy while still delivering comparable performance thanks to a thorough vehicle re-engineering and an industry-first 2-mode hybrid-powertrain. Bright outlook for diagnostics Telematics will augment more sophisticated data gathering, but challenges are many. Second-generation biodiesels As traditional fuels become more expensive and scarce, the biofuels industry is scrambling to develop more sustainable sources from nonfood agriculture. Global Viewpoints: North America In this special section, some of the North American automotive industry's top executives discuss the latest trends and their strategies for game-changing vehicle engineering and development.
Magazine

Automotive Engineering International 2005-05-01

2005-05-01
Designs on Geneva Design chic, design blending, and design promise were all present in the halls of the Geneva Palexpo exhibition center for the city's International Motor Show, which this year cleebrated the centenary of its beginning. Big 3 in fight for home-market supremacy No other nation sells or produces more vehicles than the United States. Automotive Engineering International kicks off its annual Global Viewpoints three-month series of region-specific articles by examining what technologies U.S.-based OEMs and suppliers are pursuing to be a winner in the market no one can ignore. Sunny forecast for IC engine Don't expect to see the internal-combustion engine evaporate as a viable power source anytime soon, industry experts say. Sharing the wealth A versatile vehicle architecture can deliver multiple variants from a single platform, reducing development costs and time-to-market.
Magazine

Automotive Engineering International 2007-06-01

2007-06-01
Spoilt for choice The auto industry's options list includes biofuels, hydrogen, hybrids, fuel cells, and batteries--but will it be all, or nothing at all? Moving eastward The automotive industry spreads and grows, suppliers move to east Europe, environmental issues are crucial--and the companies survive that get everything right. Hands-on solution to reduce emissions Literally driving the environmental necessities home may support technology in engines old and new. Cutting emissions: more answers than questions The European auto industry is struggling with alternative fuels and emissions reduction programs, but potential solutions are many and varied--any may become even more so. Hydrogen, the IC engine, and the future It may be the fuel of the future, but views vary about how hydrogen should be used.
Magazine

Automotive Engineering International 2003-03-01

2003-03-01
NAIAS production vehicles The strength of light trucks and crossovers in North America was on display as a majority of the all-new vehicles debuting at the events were for those segments of the industry. This special edition of Global Vehicles provides highlights of new-vhielce technology for 2003 and beyond. Volvo XC90: AEI's Best Engineered Vehicle for 2003 The new model raises the safety and environmental compatability bars for SUVs. Leading the way Fuel-cell vehicles from Toyota and Honda are hitting the streets for customer use in both Japan and the U.S. AEI Tech 2003 Awards Automotive Engineering International highlights the top products and technologies (submitted as of February 18) from the SAE 2003 World Congress. Introducing Dr. Jack E. Thompson, SAE President for 2003 A change agent with early roots in the automotive industry gets in the Society's driver seat.
Magazine

Automotive Engineering International 2002-03-01

2002-03-01
NAIAS production vehicles Editors review the engineering highlights of the show's production-vehicle introductions. BMW 7 Series: AEI's Best Engineered Vehicle for 2002 With help from its suppliers, BMW has produced a vehicle that blazes the engineering trail with innovations that will influence passenger vehicles for years to come. Developments in fuel cells Automotive engineers are concentrating on providing quick startup, cost reduction, mass manufacturability, and crash safety. AEI Tech 2002 Awards Automotive Engineering International editors highlight the top products and technologies that were displayed at the SAE 2002 World Congress. Introducing S.M. Shahed, SAE President for 2002 From humble beginnings, S.M. Shahed carves out a seat at the society's top spot. Urea selective catalytic reduction Testing by Ford researchers of a small-diesel emissions-control system proved successful in meeting ULEV emissions standards.
Magazine

Automotive Engineering International 2004-03-01

2004-03-01
NAIAS technical highlights The industry kicked off what many are calling the Year of the Car at the North American International Auto Show in January. Cars and car-based crossovers took center stage, with many of the new models being derived from flexible architecture that will spawn many distinct products. High-performance hybrids Hybrid-electric technology is growing beyond economy cars to boost performance for luxury and sports cars and trucks. Toyota Prius: Best Engineered Vehicle for 2004 The second-generation gasoline/electric hybrid provides a larger and more versatile mid-size interior and sginificantly improves upon its pioneering predecessor in terms of performance, efficiency, emissions, and consumer appeal. AEI Tech 2004 Awards The new editors of Automotive Engineering International highlight some of the innovative new products and technologies on exhibit at the SAE 2004 World Congress based on the latest information provided by suppliers.
Magazine

Automotive Engineering International 2008-03-01

2008-03-01
Internal combustion: the next generation Homogenous combustion promises to many diesel efficiency and torque with the refinement and emissions benefits of gasoline power--but challenges remain. Testing for the future Providers beef up facilities to provide clients with additional capacity and invest in new tools for greater performance. Assembly required OEMs and suppliers are struggling to build new strategies and strengthen existing systems for improved global supply-chain management in an effort to reduce costs. Change is in the air (and on the ground) Chrysler, undergoing a transformation of its own, helps shed light on issues facing the evolving automotive industry at the SAE 2008 World Congress.
Magazine

Automotive Engineering International 2007-03-01

2007-03-01
Cars become more understanding Software and hardware advances are enabling voice-recognition technologies to rise to industry challenges. Wanted: Broader knowledge, new skills Continuous learning is a must for engineers to meet greater technology and productivity challenges -- and boost their own marketability. Seeing green Environmental and cost benefits are driving the auto industry to adopt materials derived from renewable sources such as soybeans and corn. Searching for fossil-fuel alternatives Future engine and drivetrain programs at Volkswagen are focused on alternative fuels and radical changes to engine combustion, but the battery may yet provide the light at the end of the technology tunnel. Emissions rules keep labs humming As long as there are regulations, engineers and technicians will be busy running tests in laboratories.
Magazine

Automotive Engineering International 2001-03-01

2001-03-01
Toyota Prius: Best-Engineered Car of 2001 Following the Japanese introduction of the first-generation Pruis in 1997, the significantly re-engineered second-generation model features new technology to meet the demands of the Western market, including improved driving performance, lower emissions, and reduced costs. Introducing Niel Schilke, SAE President for 2001 General Motors' former top engineer in Canada brings a systems engineering mentality, along with high expectations, to the SAE presidency. Fuel cells start to look real It is looking more and more as if the fuel-cell-powered car--the long-awaited "clean personal transportation of the future"--is moving from laboratory vision to technical reality, if not yet market actuality. Fuel-cell testing Capabilities that deliver reliable monitoring and control, as well as offer the benefit of a flexible configuration, are critical to keep pace with evolving fuel-cell technology, according to National Instruments.
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