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Viewing 1 to 30 of 729
2016-11-16
Magazine
Focus on advanced safety systems and human-factor interventions The impact of REACH on the aviation sector Considered the most comprehensive chemical-regulation legislation to date, REACH presents serious ramifications for the aircraft industry. Lightweighting: What's Next? Experts weigh in on the challenges and future enablers in the battle to reduce vehicle mass. The best of COMVEC 2016 Autonomous vehicles and improved fuel efficiency via advanced powertrain solutions are pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Optimizing waste heat recovery for long-haul trucks Autonomous solutions in agriculture Downsizing a HD diesel engine for off-highway applications Zero-emissions electric aircraft: Theory vs. reality
2010-11-04
Magazine
Why Volt? After 48 months' development, the 2011 Chevrolet Volt has enetered series production. The pioneering "E-REV" is as important to the mobility industry as it is to GM. Creating the heart of Volt GM's battery requirements meant creating new state-of-the-art in-vehicle engery storage - and doing it in less than four years. Top GM and supplier engineers reveal how they did it. Engineering with maniacal focus A dedicated, cohesive team and a conservative engineering approach put this innovative vehicle into production at moon-shot speed. A unique electrified transaxle Hybrid or not? Definitions aside, what really matters is GM wisely leveraged its next-generation Two Mode propulsion technology to give Volt greater overall efficiency. Sweating the body details Extensive wind-tunnel work gave Volt a shape that's slicker than it looks. But engineers aren't happy with the curb weight.
2010-03-01
Magazine
Risk, adventure, and learning from the past The Cal Poly 2009 Formula hybrid car with the funny wheels took first place in the "Hybrid in Progress" category. North American international auto show concepts The most significant vehicles features either full- or hybrid-electric powertrains, signaling the industry's intent to further electrify the new car world. Collaboration, innovation on agenda SAE 2010 World Congress to offer more focused technology and cost-saving solutions.
2010-02-01
Magazine
Giving the blind the freedom to drive A Virginia Tech student team answers a call to action by the National Federation of the Blind's Jernigan Institute. 'Ultimate Youthmobile' of 2030 At the 2009 LA Auto Show, California designers envision the future. BMW's six-cylinder motorcycle Concept points to possible production bike. Modeling and simulation put emphasis on early planning The shift to model-based design and simulation is changing the way aircraft are designed, shifting the focus to the early phases of development. Early planning is critical for success, as is establishing techniques that ensure that files move freely between various work teams.
2012-02-07
Magazine
Chrysler's new Tigershark I4s aim for refinement, efficiency Developed in record time, the 2.0- and 2.4-L debut in the 2013 Dodge Dart. The 2.4-L features the first global application of MultiAir II technology. Honda unveils next-gen motorcycle powertrains New engines designed for low-speed torque, fuel efficiency, and riding 'character' are coupled with new DCT and CVT transmissions. Alternative fuels on bumpy road The price of conventional fuels is just one variable that makes it hard to know when fuel-cell, biofuel, and natural-gas technologies will come into their own. Regen braking gets a boost Researchers from Hyundai Mobis detail the development of smart booster brake systems for regenerative brake cooperative control. Efficient & effective leadership Frank O. Klegon, a 30-year SAE member and former product development VP at Chrysler, brings 'customer first' approach to term as SAE International's chief elective officer.
2012-03-20
Magazine
An active ride Advanced suspension technology helps SUVs meet often conflicting requirements to perform better off road and on.
2012-09-28
Magazine
Shed a few joules with better aerodynamics A team of engineering students from Laval University has managed to reduce the energy demand due to wind resistance of its Supermileage vehicle by 10% after carefully designing a new vehicle body with a 25% larger frontal area. Telemetry helps Formula SAE team close the loop on design Once a year, a team of students at Virginia Tech get to do something that ought to put a grin on any aspiring engineer's face: build a racecar. Unconventional steel wheel designs The drawings done by collegiate students for a steel wheel design competition had industry professionals thinking about future production possibilities.
2015-12-01
Magazine
Uncertainty quantification The technique is a must for next-generation simulation tools. Oil-pump sizing Researchers from Hinduja Tech investigate options for low friction and power consumption. The future of Indian commercial aviation The growth in traffic that airport modernization has supported has also made a significant contribution to the local and national economies, while the improved infrastructure has been positive for the perception of India in the global market. Driving EVs toward lower cost The race ison to reduce battery and electric-drive systems cost while improving efficiency. Powering on Rolls-Royce's Chief Engineer discusses new technologies that inspire current R&D design and evaluation work as part of its strategic roadmap for future big commercial programs. HMIs extend beyond the cab Telematic functions are being integrated into multi-function user interfaces.
2015-11-03
Magazine
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.
2015-06-03
Magazine
Executive Viewpoints Off-highway industry executives from companies such as BorgWarner, Perkins, Cummins, and Danfoss reflect upon challenges inside, and outside, the industry, and what technologies, innovations, and strategies will need to be implemented to thrive into the long-term future. 16th Annual Product Guide Top products from throughout the industry covering technologies such as Powertrain & Energy, Hydraulics, Electronics, and Testing & Simulation.
2015-12-02
Magazine
Improving heavy-duty engine component efficiencies Cylinder deactivation can improve fuel economy by using a reduced number of cylinders that operate at higher loads and thermal efficiency, while other cylinders are turned off, when the engine operates at partial load conditions. A switching roller finger follower is one of the technologies that help make it work. Pumping up hydraulic capabilities Electrohydraulic advances keep coming as distributed electronics flex their muscle. Tracking the trends in commercial vehicle communications Industry insiders at Molex offer what they think the future may hold for heavy-duty components in 24/7 communications systems. ADAS system validation It is crucial that different advanced driver assistance systems functionalities interact seamlessly with existing electronic control unit (ECU) networks.
2016-08-05
Magazine
Clearing the air Sensors, diagnostics and controls advance to help trap emissions. Bringing the heat on cooling technologies Electronic controls, variable-speed fans cool engines, heat aftertreatment systems. 3D printing machines can't be built fast enough In the additive manufacturing world, the costs of components are dropping, the technology is becoming more reliable and parts are fabricated faster, allowing industries beyond aerospace to adopt additive technologies, says Oak Ridge Lab's Ryan Dehoff.
2014-09-16
Magazine
All the right connections With 2013 sales of $6.8 billion, Dana is a leading tier one supplier. Ian Adcock catches up with its chief technical and quality officer George Constand. Jaguar's lightweight challenger Ian Adcock uncovers the secrets that make the XE saloon, Jaguar's most important car yet. Boxing clever How composite crashboxes save weight and cost
2014-11-30
Magazine
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
2014-06-03
Magazine
Systems-engineering a new 4x4 benchmark Chrysler Powertrain teamed with AAM to create the industry's most capable, sophisticated-and arguably most fuel-efficient-AWD/4WD driveline. Top engineers talk about their collaboration. Achates aims at 2025 light-truck power After more than a decade of steady development, Achates Power's opposed-piston two-stroke diesel is impressing powertrain experts with its test results and pace of technical progress. Lighter, stronger chassis Development of a new high-strength aluminum casting alloy for the production of suspension components.
2014-09-02
Magazine
2015 New Vehicle & Technology Preview Automotive Engineering editors take a look at some of the more intriguing new models, including GM's full-size SUVs, BMW's i8 plug-in-hybrid sports car, Acura's TLX sedan, and Ford's F-150 full-size pickup truck. Picturing the map for smoother rides Next-gen A/C As conventional vapor-compression cooling technology faces phase-out, what could take its place? The U.S. Department of Energy's ARPA-e has funded research to help answer this question.
2013-02-05
Magazine
BMW readies mainstream carbon-fiber vehicle structures for MY2014 The partnership with SGL Composites is already making parts for the 2014 BMW i3 and i8. AEI visited the pioneering U.S. carbon-fiber plant and witnessed a potential emerging challenger to aluminum for vehicle lightweighting. Driving a safety 'brake-through' As pressure grows for accident-free travel, EuroNCAP is pushing for widespread adoption of autonomous emergency braking (AEB) systems as a way to avoid accidents caused by late braking or braking with insufficient force. A history of leadership Ten years after completing his term on the SAE Board of Directors, Argonne National Laboratory's Donald G. Hillebrand takes on another role-2013 SAE President.
2013-03-19
Magazine
Bracing for success Cast reinforcements spectacularly boost torsional rigidity and improve steering precision.
2015-10-07
Magazine
Tearing down the global barriers Steering systems are becoming increasingly sophisticated, as Ian Adcock discovers when talking to the men leading Nexteer's European expansion €1.1 billion worth of Bentley luxury Bentley's Bentayga is the first in a new generation of luxury cross-overs. Ian Adcock reveals its engineering secrets Goal: "virtual" perfection Should simulations be 100% accurate?
2015-05-01
Magazine
Unmanned Aerial Systems Deploying Next-Generation UAS Platforms with 3U VPX Unmanned Ground Vehicles UGVs - On the Cutting Edge of Thermal Management Unmanned Surface/Underwater Vehicles Controlling the Seas - Introducing a New Concept in Autonomous Surface/Underwater Vehicles Robotics Connectivity in Robotic Systems
2015-03-25
Magazine
Bringing it all together Ian Adcock catches up with GKN's newly appointed president, Group Technology, Rob Rickell. Graphene Supreme Ian Adcock discovers what role graphene is likely to play in the vehicles of tomorrow. What lies beneath? Automotive Design looks into chassis developments that are designed to ensure local preferences are catered for globally.
2015-05-05
Magazine
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.
2011-02-04
Magazine
A quiet revolution Optimizing design, while minimizing NVH, in off-highway equipment and systems. Inferential sensing Engineers propose an onboard electronics hardware and software architecture that can deliver condition-based maintenance solutions in a low-cost platform. Lightweight but heavy duty A look at the design, analysis, testing, and application engineering performed to develop a selectively reinforced brake drum made of aluminum metal matrix composite. Shifting gears smoothly Ric Kleine, a 30-year veteran of Cummins Inc. and former SAE Commercial Vehicle VP, seeks continuity over change as he moves into SAE's driver's seat.
2011-03-10
Magazine
Saving space To address packaging constraints in off-highway equipment, engineers developed a fuel vaporizer catalyst that makes for a more compact aftertreatment system. Steering toward safety A look at new technology concepts to overcome design issues inherent in adapting steering angle for heavy-duty applications. A fluid performance Researchers have developed a procedure to measure a fluid's effect on the degree to which mechanical power is efficiently converted to hydraulic power in pumps typical of off-highway applications.
2014-02-01
Magazine
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.
2014-11-06
Magazine
Calibration and complexity Off-highway engine applications continue to increase in complexity to meet emissions regulations and fuel economy targets as well as to take advantage of advances in electrification and mechatronics. The model-based calibration process has become the industry standard. ECU advances take many paths Controllers are evolving rapidly, with a range of microcontrollers distributed throughout the vehicle Working remotely A new electrohydraulic steering technology that offers energy efficiency improvement, increased productivity, enhanced safety, and adaptability to operating conditions also has the capacity to support remote operation of a compact wheel loader.
2014-03-04
Magazine
What's New at ConExpo/IFPE More new products and technologies that companies plan to showcase at this year's ConExpo-Con/Agg, which is co-located with the IFPE fluid-power event in Las Vegas from March 4-8, are previewed. Gearshift actuator dynamics in a dual clutch transmission The emergence of tougher environmental and fuel efficient legislations have triggered exploration and advance toward new and better vehicle transmission technologies. Software makes solid impact Programs are helping hydraulic systems do more while reducing operator workloads. Damping out booming noise NVH improvement techniques are gaining traction with the goal to improve the quality perception of off-highway equipment performance and operator comfort.
2010-06-01
Magazine
Steering activated Vehicles are increasingly taking the wheel and steering themselves, with the promise of improved comfort, handling, and safety. Reflections of a product-development revolutionary Bob Lutz revitalized GM's PD process by challenging its protocols- while following his instincts for making compelling vehicles. Commercial success Technology transfer, a Class 8 hybrid, and lightweighting efforts highlight ArvinMeritor's innovation push in the commercial-vehicle space. EcoBoost, DCTs, and stop-start for the masses High-value, high-volume technologies are driving Ford's near-term conventional powertrain strategy, explains engineering chief Barb Samardzich. Breathing new life into Chrysler Engineering Engineering VP Scott Kunselman talks about working with Fiat, taking the lead in vehicle-electrification, and putting the mojo back into Chrysler's product-development team. Watching the charge The fusion of diagnostics and telematics may help boost electric vehicles.
2013-06-04
Magazine
Global Viewpoints - Europe: Smartening up R&D As every aspect of automotive technology makes rapid advances, R&D becomes ever more complex and faces additional pressures on cost and time. In our annual report from Europe, we spoke to very senior executives about their R&D methods and the demanding criteria they face. LEDs light the way for SuperTruck A research team developed a group of low-energy; high-output LED lamps for forward lighting that could be retrofitted into the truck's current incandescent headlamp housing and lens. Plastic proliferation under the hood Plastic components continue to displace metal engine parts because of cost and weight advantages.
2013-08-06
Magazine
Apps hit the road To make it possible to run safe, useful apps while vehicles are being driven, companies throughout the automotive supply chain are changing the way they work together. Figuring out how to attract and integrate small and large app companies into the long development cycle of vehicles is a major challenge.
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