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SAE Off-Highway Engineering 2012-09-06

2012-09-06
The big engine that could With the stringent EPA 2015 regulations on large diesel engines for locomotive, marine, and stationary generator applications, the need for NOx reduction via urea SCR catalyst arises given the proven performance of urea SCR. Monitoring hydraulics Component producers and vehicle service providers offer their views of hydraulic diagnostics as the industry moves toward real-time, intelligent health monitoring, predictive failure software algorithms, and wireless notification. Engine management expands from minute movements to full vehicle Electronic controls grow in complexity as engine designers extend their scope to include hydraulics.
Magazine

SAE Truck & Off-Highway Engineering: December 2020

2020-12-03
Battery of issues surrounds large-vehicle electrification Converting heavy-duty vehicles to battery power will require advances in weight reduction and thermal management. Autonomy kicks up some dust Machines that move, haul and plow earth can capitalize on autonomous systems today via increased safety and productivity in the field and significant cost savings. Digitalizing to deliver actionable data Mobile hydraulics expert details key trends in controls and IoT connectivity to improve machine design and end-user operations.
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

SAE Off-Highway Engineering 2000-04-01

2000-04-01
Simulating cab noise and vibration Researchers at kubota and Doshisha University have established a prediction method for the engine-idling state using statistical energy analysis. Manufacturing cost estimating Caterpillar's ACT Group uses Micro Estimating Systems' computer-aided estimating program to increase efficiency and decrease operating costs in powder-metal part manufacturing. In search of greener pastures Agricultural OEMs are looking at the total life cycle to develop more environmentally conscious products and processes. Emissions and lubrication More stringent diesel emissions legislation is placing an increased burden on engine lubricant in the form of soot loading.
Magazine

SAE Off-Highway Engineering 2008-09-01

2008-09-01
Shrinking hydraulics The push to conserve fuel and reduce emissions is prompting major changes in system design. Aftertreatment temperature control Regeneration of a DPF burns off soot, but also raises exhaust gas temperature. Speed thrills: doing more tests in less time Quicker data gathering, simulation keep quality high despite time crunch. Green engineering The quest to alleviate environmental and efficiency pressures turns up 'small' material solutions with big benefits. A global forum Cummins executives lay the groundwork for a lively and informative discussion at this year's Commercial Vehicle Engineering Congress & Exhibition.
Magazine

SAE Off-Highway Engineering 2008-03-01

2008-03-01
In search of the perfect burn The simultaneous download pressures on NOx and PM continue to make research into higher injection pressures and alternative combustion solutions such as homogenous-charge compression ignition attractive. One way to stop a train A new self-energizing electrohydraulic brake offers the advantages of hydraulic brake actuation without the disadvantages of a centralized hydraulic power supply. A model combustion: from art to science Analysis tools, advanced hardware provide insight into combustion process, refining the cylinder's 'big bang.' The datalinked vehicle In the fields and on the job site with GPS.
Magazine

SAE Off-Highway Engineering 2005-03-01

2005-03-01
Engine electronics come of age Changes in global standards, combined with engineering know-how, have resulted in a new generation of clean, quiet, and efficient engines. Operators are rolling in the chips Microprocessors and sensors are being combined to monitor the way that equipment is being used, then help operators to perform better in that environment. Gaining weight Perkins' influence in the off-highway industry grows as it evolves its global engine lines and expands its presence in the U.S. What's new at CONEXPO-CON/AGG, Part 2 of 2 A preview of some of the products and technologies that will be displayed at this year's event, scheduled March 15-19 in Las Vegas, NV. Engineering a career Off-highway companies are challenged not only by the ever-changing technology landscape, but also by finding the engineering talent to help them succeed in it.
Magazine

SAE Off-Highway Engineering 2005-06-01

2005-06-01
Testing in the field Hardened data-acquistion modules benefit companies conducting off-highway testing in harsh environments. Continuing to advance technology With close to $1 billion spent on R & D in 2004 alone, Caterpillar is taking a lead role in the push to move the commercial-vehicle industry forward. Testing trends This special section highlights some of the latest equipment used by engineers to evaluate new technologies. The forgotten compact engine Though heavy-duty engines have gotten most of the industry attention lately, smaller engines are out there working hard, with seemingly little respect. Productivity drives future agricultural technologies SAE 100 Future Look: Despite the tremendous rate of change in the agricultural equipment industry, one common theme has led the technological advances in agricultural equipment.
Magazine

SAE Off-Highway Engineering 2006-10-01

2006-10-01
Making sense of engines Heavy-duty equipment is known for its ruggedness in harsh environments, but vehicles are not neglecting their sensitive side. The world's fastest digger gets closer JCB's Dieselmax goes 350 mph and teaches engineers much about engine capability, extreme testing, and program management. The whole system, and nothing but the system Properly implemented, an electrohydraulic system can add a great deal of automatic control, advanced performance, advanced diagnostics, and remote monitoring to a mobile application. Regenerative hydraulics The use of multiple hydraulic pumps can satisfy the needs of various circuits in off-highway equipment. The gas is greener Biofuels promise to help reduce petroleum cinsumption and CO2 emissions, but much of the potential depends on production and infrastructure investments. Material returns Effective use of materials information is important to engineers in development of parts and components.
Magazine

Aerospace Engineering 2006-05-01

2006-05-01
Materials mature The growth of air travel has always been dependent on the development of materials technology for structures and engines. Keeping track of production Aircraft manufacturers are making greater use of RFID and bar code technology, while also using new software that helps them keep production lines running smoothly. Breaking records via fuel management Onboard sensors reported lower-than-expectedfuel-tank readings not far into the around-the-world flight of the GlobalFlyer, jeopardizing the entire mission.
Magazine

Automotive Engineering International 2002-11-01

2002-11-01
Tech Highlights: 2002 Mondial de L'Automobile European editor Stuart Birch gives a run down of some of the significant vehicle and technology debuts at the Paris Motor Show, beginning with the French automakers. Supply-chain trends With increased responsibility for modules and warranties, automotive suppliers are finding innovative ways to manage their supply chains. Sports car racing technology Le Mans series race car engineering reach a high-water mark in 2002, but will likely recede in 2003. Innovation at DaimlerChrysler Chairman and CEO Jurgen Schrempp believes that in the next 15 years, car technology and design will move ahead more rapidly than at any time in the past half century--and that almost everything except the basic four-wheel layout could change. Escape Hybrid is a showstopper Ford in 2003 will launch the world's first production hybrid-electric SUV, which will be the subject of much discussion at this month's 2002 SAE International Truck & Bus Meeting & Exhibition.
Magazine

Automotive Engineering International 2006-10-01

2006-10-01
Like a rolling home Suppliers are helping automakers engineer vehicles that allow passengers to bring along the comforts of home. Focusing on distraction An explosion of new features, functions poses challenges for safety. Performance goes green With record-high fuel prices and CO2 concerns providing the impetus, automakers are developing more fun-to-drive cars with an eye towards efficiency. GM re-engineers pickips More refined ride, higher-quality interiors, and greater efficiency are some of the highlights of the 2007 models. Jeep takes on tough terrain For 2007, the brand's iconic Wrangler is engineered to be more rugged off-road and more refined on it. Audi updates TT theme The second-generation rendition is bigger, more powerful, and uses a subtle metals mix and match. Vantage: as Aston to the core A common platform strategy is a vital element of the company's design and manufacturing flexibility.
Magazine

Automotive Engineering International 2007-09-01

2007-09-01
Avoiding crashes through engineering Sensor fusion and FlexRay adoption pose big challenges for active-safety systems developers. Sounds of silence NVH analysis comes into the spotlight as traditional targets are addressed and new trouble spots are uncovered. Fuel cells power up As the alternative-propulsion technology moves from lab to limited production, car makers are looking for new design solutions and materials to reduce costs.
Magazine

Automotive Engineering International 2006-09-01

2006-09-01
Systems drive safety Engineers are using a holistic approach to design safer vehicles by adding function and integrating multiple subsystems. The gas in greener Biodiesels promise to help reduce petroleum consumption and CO2 emissions, but much of the potential depends on production and infrastructure investment. Good vibrations Instead of excising all noise, vibration, and harshness, engineers are focusing more on making specific sounds and feedback "fit" a vehicle. SAE Commercial Vehicle Congress Preview International Truck and Engine executives head the charge for "positive industry change" at SAE's third Congress for the on- and off-highway communities.
Magazine

Automotive Engineering International 2003-09-01

2003-09-01
No hands with Bluetooth A major effort is underway to implement the wireless specification in cars and cell phones to reduce driver distraction. Sensors proliferate The boom is light on wireless, heavy on intelligence. Water and heat in the fuel-cell balance Researchers from the National Renewable Energy Laboratory, Millenium Cell, and DaimlerChrysler are working on a sodium borohydride system tha thas the potential to meet FreedomCAR's weight-percent hydrogen-storage targets. Far East optimism Asia's Big Three--Toyota, Honda, and Nissan-- relied to a large extent on their global presence to post strong profits in 2002 as they and other Far East automakers prepare for an upswing in their economies. Models of choice Seven of the eight Japanese passenger car/light truck manufacturers offer various configurations of compacts, which are taking off in Asia.
Magazine

Automotive Engineering International 2002-09-01

2002-09-01
Fuel-cell commercialization The technology race is on to market the next revolution in automotive propulsion, with the first vehicles in limited quantities coming from Toyota and Honda by the end of the year. Telematics technology trends Analysts at the Telematics Research Group explain the computer, communications, and automotive electronic component advancements that will influence systems development. No end in sight to electronics' growth The biennial Convergence conference on transportation electronics, hosted by DaimlerChrysler, will explore the interplay of electronics with mechanical and other systems to improve vehicle safety, performance, and convenience. Making contacts Engineers at AMI DODUCO reveal their latest research and developments on critical automotive electrical contact reliability.
Magazine

Automotive Engineering International 2004-05-01

2004-05-01
Technical highlights from Geneva The high-profile event combined new technology, fresh design, debuts of major production models, and styling concepts in a compact venue. North American technology trends Every year in the May issue, Automotive Engineering International explores the major technology trends defining the auotmotive industry in North America. In June, it will do the same Europe, and in August Asia. Internal-combustion engineering Despite a century of refinement, the gasoline engine still has untapped potential, say industry executives. Body building The quest for light, quieter, and safer cars and light trucks influences the design and engineering of most vehicle areas--body not excluded. Chassis integration keeps the rubber on the road U.S. OEMs and Tier 1 suppliers are collaborating to deliver the latest technology for performance and safety, but integration stays in-house.
Magazine

Automotive Engineering International 2008-06-01

2008-06-01
Finding the right niche As technology, politics, and OEMs struggle to achieve environmental cohesion, small and niche companies are determined to ride out the maelstrom with their ability to adapt, react, succeed, and survive. Jaguar and Land Rover shift Access to technology and engineering takes center stage as the two brands transition from one giant parent to another as Tata takes over from Ford. Aston Martin bonds The company is developing closer ties with Tier 1 suppliers in its new role as an independent. Bentley has secret CO2 plans The company wants to combine luxury and high-performance hallmarks with massive cuts in emissions. Lotus small and manueverable The engineering arm's technology menu--including lightweight, small engines, and high performance--is being sampled across the world. Porsche looks to the future Gasoline hybrid technology, convergence potential, and diesels could be in store for the company.
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.
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