Search Results

Spark-ignition engine trends In the face of growing competition from diesels and alternative power sources, some of the latest prototype and production gasoline-fueled engines show how continued engineering development is meeting demands for more power, reduced fuel consumption and emissions, and more efficient packaging. Expanding supplier capabilities through consolidation The pace of consolidation in the automotive industry has slowed somewhat, but its importance has not diminished. Raymond A. Morris named SAE Executive Vice President THe 27-year SAE veteran promises to focus on the needs of the customer and to become better acquainted with the Detroit automotive industry.

Body assembly Automakers cut sheet metal and weld bodies as precisely as possible to lay the foundation for good overall vehicle quality. Handling the ride Delivering a balance between ride and handling has traditionally been a challenge for suspension designers, but suppliers of different technologies are showing how compromise may not be the only solution. Brilliant displays Liquid crystal displays and light-emitting diodes are helping to enable bright, reconfigurable screens. Performance from within Automakers gild profit margins and polish reputations with in-house high-performance divisions. Hybridized SUVs A redesigned hybrid drivetrain gives Toyota's V6-powered SUVs--the Toyota Highlander and Lexus RX 400h--V8-like performance and compact-class fuel economy while achieving the most stringent SULEV emissions standard. Automatic upgrade Toyota's hybrid system gets a transmission overhaul for SUVs.

Drivetrains: Challenging the design philosophy A researcher from the Southwest Research Institute focuses on one of the most immediate and dramatic changes of powertrain design: the introduction of CVTs. Elastohydrodynamic lubricants for CVTs In metal-to-metal continously variable transmissions, EHLs momentarily become part of the machinery, allowing for a much higher traction coefficient than is possible with hydrodynamic fluids. Hybrid vehicle dynamics Toyota engineers combined electronic control of the Estima minivan's breaking and driving functions to create its new Vehicle Dynamics Management system, resulting in improved environmental and vehicle performance. Jeep Commander 2 Chrysler Group engineers provide an inside look at one of the pioneering methanol fuel reforming fuel-cell concept vehicles. Improving SUV fuel economy Delphi is pursuing a strategy of engine shutdown and adding torque from an electric motor with its new 42-V integrated starter-generator.

Driven to test As automotive manufacturers and suppliers continually attempt to cut costs and reduce development cycle times, outsourcing of testing is becoming more prevalent in the industry. Testing resources This section highlights some of the latest testing products, equipment, and technologies used in sundry automotive applications from the industry's suppliers. Transmission options In this comprehensive review of technology, ZF's Group Vice President for Product Development concludes that the future belongs to automated manual, continously variable, and six-speed automatic and manual transmissions with increased capacities. Automotive moodular developments Engineers from Plastic Omnium Auto Exterieur and Inoplastic Omnium discuss design considerations for front-end module and plastic tailgate concepts. Flexible controls architecture for hybrid-electric vehicles General Motors and Motorola collaborate on a prototype vehicle for PNGV.

Lithium battery bonanza Lithium battery technology is finally making its way to production hybrids and planned EVs, but improvements are needed. Reader's choice: Top technology stories of 2009 The editors look back at the past year's most significant articles according to readers of Automotive Engineering International, AEI Online, and Truck & Bus Engineering Online. Sending a message Vehicle-to-vehicle communications can improve safety, but telematics may ultimately provide more impact.

Assembly by design The latest product development software offers new tools to improve the body engineering process and deliver flexible manufacturing capability. Measure twice, cut once The old carpenter's axiom is doubly true in the expensive realm of motorsport, where simulations provide a more cost-effective way to test ideas than trial-and-error. 2005 technology in review AEI editors look back at some of the most significant engineering and innovation stories of the past year. The new steels Lessons learned on where, when, why, and how to use new higher-strength materials is an information-sharing mandate of high order. Nissan showcases advanced technology The underlying philosophy of the company's "Orchard Concept" R&D strategy is to direct its strengthened resources to "real, specifc technological innovation in the car that you see on a showroom floor," providing performance and functions that exceed customer expectations.

2006 Technology in review AEI editors look back at some of the most significant engineering and innovation stories of the past year. A new focus on emissions Cleaning up cold starts, adding precision are some of the strategies being employed by powertrain and controls engineers to further cut exhaust pollutants. Letting the sun shine in Increased modularity and reduced mass and complexity are the focus of covertible-top system engineers. Air conditioning and global warming Europe's legislated phaseout of R-134a, remaining issues with CO2 systems, and new proposals for R134-a replacements give engineers many challenges, hard choices to make, and not much time.

NAIAS highlights Crossovers and fuel efficiency were big news at the 2006 event, but revived muscle cars stole the show. School of hard NOx For light-duty diesels to succeed in the U.S., they'll first have to pass the ultra-stringent 2007-2010 emissions standards--and keep costs reasonable. Aftertreatment technologies are critical for diesels to make the grade. Realistic simulations Improved digital design tools provide more insight into complex systems. Introducing Greg Henderson, SAE President for 2006 The Lockheed Martin executive steps up to take SAE into its next 100 years.

Lighting goes digital Headlights move towards full integration with sensors, adjusting to turns and other driving conditions, while high-intensity discharge and light-emitting-diode technologies see continued growth. 2004 technology in review AEI editors look back at some of the most significant engineering and innovation stories of the past year. The age of digital experience SAE 100 Future look: Automotive historians will remember the beginning of the 21st century as a defining moment in the history of an industry. Simplifying advanced computing SAE 100 Future look: There is no doubt the world is changing. Global competition and sourcing, cost pressures, safety, and environmental concerns are just a few evolving realities facing the automotive industry today.

Concepts from 2003 Tokyo Motor Show Environmental, safety, and information technology were strongly emphasized in an impressive array of fuel-cell, hybrid, and pure electric concept cars. LEDs shine on The lighting technology's compact size, power, and durability excite designers who still long for flexibility in interior and exterior styling. GM, software, and electronics At its annual media preview of new models, the company demonstrated how its technology investments will pay off in more features, for more people, in more market segments. Plastics roll into new territory From structural members to Class A surfaces, plastics continue to find increasingly broad application in the automotive industry. 2003 technology in review AEI editors look back at some of the most significant production-intent innovations introduced over the past year. Forging ahead in metal forming Crude though the means may have been, humans began making and shaping metal several millenia ago.

Bending light Lighting technology is becoming more intelligent and adaptive as OEMs and suppliers develop systems that are more integrated into vehicle electronics systems for greater performance and safety. Top technologies of the year The world's automakers and suppliers were busy in 2002 equipping production vehicles with significant new technology. The editors review some of those significant "game changing" innovations for the past model year. Testing on the move Advances in mobile data acquisition, such as those from HBM, have helped engineers move the testing of vehicles from the laboratory to the road. Producing an all-new powertrain Ford and International each revamped a plant to build a new powertrain for Ford's super-duty trucks and Excursion sport utility vehicle. Making plastic parts New ways of forming plastics for automotive components were revealed at an annual contest sponsored by the Society of Plastics Engineers.

Plugging into Detroit Efficient, eco-friendly hybrid concepts, in "conventional" and plug-in forms, headlined January's North American International Auto Show, but a majority of the debuting concept vehicles boasted large-capacity V8, V10, or V12 engines aimed at ultimate performance. Creating the Bin-5 Diesel Progress made in lean-NOx trap technologies helps make engines a viable option for U.S. light-duty diesel market in 2008. Putting the pieces together Product lifecycle management tools and processes help speed automotive product development. Today's challenges, tomorrow's opportunities Engineers' productivity becomes paramount as companies change and evolve their business strategies. Promoting from within After serving a three-year term as Vice President-Automotive, Rich Schaum, Chrysler's former product development chief, becomes the new face of SAE International.

Solving the driver distraction problem Is voice-recognition technology the silver bullet? No, engineers agree, but it has its place. Succeeding in the alliance game It was General Motors' Arvin F. Mueller, Chairperson of the SAE 2001 World Congress, who came up with "Succeeding in the Alliance Game" as the theme for the March 5-8 automotive engineering event in Detroit. Ferrari 360 aerodynamic development The search for downforce without aerodyamic devices, such as wings or spoilers, led to novel solutions for the car's suspension. Renault's Euro 3 engine Flexible injection systems allowed Renault VI engineers to balance many conflicting priorities in developing Europe's first heavy-duty diesel engine with a fully electronic high-injection-pressure common-rail injection system. Meeting future emissions standards with diesel SUVs AVL List believes that diesel engines could be one way to improve the environmental acceptance of sport utility vehicles.

IRL races ahead Honda and Toyota join dominant General Motors in a more tech-friendly racing series that gets a new chassis builder for 2003. NAIAS concepts Nearly 30 dream vehicles--about twice as many as last year--from most of the world's automakers were shown for the first time at the North American International Auto Show in Detroit. AEI editors review the technical and development highlights of this impressive crop of concept cars. Engineering dream jobs Heading a new model launch is something many engineers aspire to, but that is just one avenue up the corporate ladder. Diesel discourse at SAE 2003 World Congress Fuel efficiency and performance advantages make diesel technology a compelling one for automakers and suppliers, despite its emissions disadvantages. Diesel will be among the more important technologies discussed in detail at the SAE 2003 World Congress March 3-6 in Detroit's Cobo Center.

New engines The editors review the engineering of six of the most significant new gasoline and diesel engines of 2008 and 2009. Squeezing more out and in Engineers are working on making seats lighter while offering more features. Out with the oil, in with the new Biomaterials begin making an impact as OEMs and suppliers explore more green options. Visually speaking Leading automotive designers discuss brand DNA, the future of vehicle personalization, and how their increasing involvement in platform design is changing the way they work with engineers.

Ford widens diesel getaway As the popularity of the diesel in Europe continues to soar, Ford, in collaboration with PSA, is further expanding its Diesel Center's production in the UK. Phil Lake, Ford of Europe's Chief Engineer, Diesel Engines, gives AEI a tour of the facility and the technology. Consumer electronics solutions Wireless technologies, networking alternatives vie for acceptance as the auto industry scrambles to keep up with consumer demands for infotainment options. California dreaming Forward-thinking West Coast automotive design studios ponder recyclable cars, predetermined vehicle lifespan, and a reduced carbon footprint as part of the third annual Los Angeles Design Challenge. Tradition meets technology Artisan skills are supporting traditional engineering in the creation of complex, high-profile concept cars.

Ford's new four The largest engine development program in company history will lead to at least 200 applications, starting with the new Mondeo's Duratec HE and replacement of its existing cast-iron-block four-cylinders with higher aluminum content powerplants. GM Powertrain's new inline six for SUV's For the first time in nearly two decades, three new General Motors vehicles will feature an inline six-cylinder engine developed by GM Powertrain. Fuel-stratified injection from VW Though gasoline direct-injection technology is being introduced in the Lupo FSI, VW says it easily can be adapted for high-volume use in larger vehicles such as the Polo and Golf. LS6 for Z06 The latest high-performance Corvette engine features improved breathing, new pistons, an increased compression ratio, and a new high-profile camshaft.

Engine strategies and engineering Top powertrain executives from DaimlerChrysler and General Motors talk about their companies' views and plans for the future. Greater performance, better efficiency, and reduced emissions are the highlights of the latest crop of internal combustion engines from their companies and others. Educating engineers The automotive and academic worlds are teaming to ensure that the industry's future is full of qualified engineering talent. OEM production systems enable flexibility Building multiple models on the same production line is a Japanese innovation--one that U.S. automakers are hurrying to implement. Executives abound at SAE 2003 World Congress Re-tooled to increase the presence of OEMs and to make it easier for attendees to get the information they need, this year's Congress offers a great return on investment for engineers and related automotive industry professionals who spend time in Detroit's Cobo Center March 3-6.

Technology development under pressure Achieving major cuts in CO2 emissions and fuel consumption continue to be the big challenges facing the European automotive industry. But are the targets realistic, can emerging technology deliver solutions, is driveability likely to suffer, and will the end-user face higher costs? Pulling power The European industry is creating more (or at least as much) with less for the latest-generation powertrains. Chassis evolution Is it time for suspension system designs--increasingly costly to develop--to be standardized to conform to the ride and handling requirements of particular types and segments of cars instead of constantly being re-invented? The mere idea is anathema to some, but tempting common sense to others. Creature comforts Priorities for interior design are many and include increased safety, reduced noise, greater comfort, less complex ergonomics, and more systems support for the driver.

E-business: the new game in town With the initial formation of Covisint in February 2000, and with other online ventures established over the past couple of years, the automotive industry has thrown its chips into the B2B e-commerce game. The following is an update on how the industry is faring now that its cards are on the table. Simulation: redefining the development process Just as companies sought to shorten the development cycle with intergrated product teams, they do so again with up-front computer-aided analysis and simulation. New connections for automobiles Thanks to innovative technologies and applications, flexible circuitry is helping drive new trends, such as modularity, in automotive design, according to Sheldahl. NAIAS highlights: production Since becoming an international event in 1989, the North American International Auto Show in Detroit has hosted 620 North American and worldwide vehicle introductions.