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SAE Off-Highway Engineering 2012-11-08

2012-11-08
Biofuel opportunities and pitfalls Annual growth in biofuels has been strong but is expected to slow in the near future. User interfaces going mainstream Off-highway HMIs use consumer technologies to add functions, simplify tasks. Reducing the environmental impact of hydraulic systems OEMS and their suppliers are creating new hydraulic systems and components, using new fluids and remanufacturing to save energy and reduce the environmental impact of off-highway equipment. Multiple controllers add to EV complexity Model-based design has revolutionized the way products are developed, with design shifting from parts to the whole.
Magazine

SAE Off-Highway Engineering 2013-11-07

2013-11-07
Tackling biodiesel's technical challenges Caterpillar researchers are working to mitigate biodiesel's negative effects on engine components and aftertreatment systems. More for less Telematic systems are offering more features and functions for lower prices. Improving actuation speed and controllability With high-speed hydraulic proportional valves, the performance of existing cam phasing systems can be improved or the actuation mechanisms can be applied directly to engine valve actuation.
Magazine

SAE Truck & Off-Highway Engineering: December 2019

2019-12-05
Heavy-duty engine design What are the most significant factors influencing the way engine developers approach near-term design and development cycles? Two experts provide their insights from recent programs. Reducing winter range loss for electric trucks Researchers at the Austrian Institute of Technology have developed an air exchange system that's capable of reducing heat load by 37% in real-world tests. Narrower focus, bigger payoff Design teams are targeting focused markets for their commercial electric-vehicle programs to combat challenges like range and infrastructure. Removing complexity for autonomous trucks Narrowing the operating domains for driverless commercial vehicles reduces the requirements of autonomous technology and speeds time to market. Plastics innovations 2019 The 49th annual SPE Automotive Awards highlight the ongoing benefits of lightweight polymers and composites.
Magazine

SAE Truck & Off-Highway Engineering: February 2019

2019-02-01
Over-the-air affair Remote updating of software and firmware on commercial trucks and off-highway machines is on the rise, not only for maintenance functions but also to add new features like operator-assist technology. Developments in engine-based gensets With demand for generator sets steady and regulatory change settling, suppliers can rationalize their offerings and push improvements in areas like noise abatement and economy. Testing, testing and even more testing The commercial-vehicle market is eager to adopt more ADAS and automated-driving innovations, but before those technologies get to the road they must first pass rigorous testing practices that prove their efficacy. Smart and connected powertrains FPT Tech Day reveals multi-power Cursor X concept, other "4.0 innovations" for hydrogen fuel cell, electric and natural gas propulsion.
Magazine

SAE Truck & Off-Highway Engineering: April 2017

2017-04-06
Connectivity continues its advance More OEMs and Tier 1 suppliers are focusing on embedded telematic systems, hoping to displace aftermarket hardware. Tailoring fuel injection to control NOx The next big step to help heavy-duty diesel engines meet stricter emissions regulations involves adapting the fuel-injection system to the combustion needs. Active on safety Crash-avoidance technologies are vital "building blocks" to automate commercial vehicles, implement truck platooning and ultimately achieve zero accidents. Engineering with simulation and data Companies are discovering new simulation techniques, especially optimization; the next step is to combine simulation with sensor data and predictive analytics to create even more robust off-highway equipment.
Magazine

SAE Off-Highway Engineering 2006-04-01

2006-04-01
Next-generation power Additional benefits for commercial customers may drive hybrid technology adoption. Shake and bake: a recipe for testing Vehicles, components endure much in-lab abuse before they enter the commercial-vehicle market. Fuel for thought The performance and emissions of a stationary single-cylinder diesel engine is evaluated using an ethanol blend with diesel and jet fuels.
Magazine

SAE Off-Highway Engineering 2009-06-01

2009-06-01
The diesel engine diet Researchers correlate engine performance and durability with the properties of alternative fuels that consist of vegetable oils and animal fats. Looking at a safer future Software, other sensors will augment cameras as safety's role in the off-highway industry takes an upward spiral. Plastics expand their range From high-speed train exterior panels to powertrain components, plastics and composite materials are finding their way into more off-highway applications.
Magazine

SAE Off-Highway Engineering 2011-07-07

2011-07-07
What we have here is a desire to communicate Telematic service and equipment providers are racing to gain market share in what's expected to become a solid long-term market. Sizing up accumulators No other feature of a hydraulic hybrid has more effect on the end performance of the powertrain than the accumulator. modeling helps to provide specific guidance with regard to establishing pre-charge pressure. Beating a path to biodiesel Multiple pathways are being pursued to increase biodiesel use, reduce dependence on petroleum, and improve the environment, but the best route is not yet known.
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

SAE Off-Highway Engineering 2000-12-01

2000-12-01
Lightpipe design According to Breault Research Organization, any off-highway instrument or control that needs illumination is a candidate for a lightpipe to take light from where it is generated to where it is needed. The biodiesel choice Experts from the Natural Biodiesel Board believe it is time to consider alternatives to the current fuel structure. One solution to rising fuel prices is the pursuit of biodiesel fuels. Understanding machining difficulties in gray iron Bosch Braking Systems' engineers look more closely than usual at iron brake rotor samples to give new insights into critical characteristics of the material. Caterpillar mining for customers With commodity prices low, Caterpillar wants to make mining as productive an enterprise as possible for customers.
Magazine

Aerospace Engineering 2005-05-01

2005-05-01
F-35 manufacturing ergonomics addressed Human-factors simulation from Delmia is playing a key role as Northrop Grumman tools up for work on the Joint Strike Fighter. Keeping it together: design, development, and maintenance It is only in relatively recent years that the full meaning of integrating manufacturing and maintenance as part of the design and development processes has been grasped by the aerospace industry. Exploring the boundaries of our solar system SAE 100 Future look: In addition to helping enable NASA's new vision of taking humans back to the moon and paving the way to Mars and beyond, two robotics space science missions are preparing to explore the outermost and innermost edges of our solar system. What's on the horizon for space SAE 100 Future look: Dramatic changes in the Earth's climate are certain to drive humanity's search for alternative fuel sources.
Magazine

AEROSPACE ENGINEERING 2013-10

2013-10-01
High hopes or just dreaming? A look at how Asia's aircraft manufacturers are trying to break into new markets to challenge the status quo. Camelina-based biofuel shows advantages in turboprop Researchers within the government of Canada see the need to improve the emissions performance of the Rolls-Royce T56 engine, which despite its age remains a workhorse for its military aircraft fleet.
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 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 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 2007-05-01

2007-05-01
Global Viewpoints North America North American automakers and suppliers know that moving the ball forward technologically is their best bet for survival, if not success. In the special section on the following pages, some of the automotive industry's top executives discuss the latest trends and their strategies for game-changing vehicle engineering and development. GM's new battery boss Denise Gray has global responsiblity for bringing the best energy storagte systems to GM's expanding hybrid program. Energy, environment, and engineering The drive toward energy security and environmental responsiblity is leading many automakers, Chrysler Group included, down a variety of technological avenues--diesels, biofuels, and hydrogen fuel cells among them. Investing in future business Delphi has had its ups and downs since departing from the General Motors umbrella in 1999 as a fully independent publicly traded company, but 2007 may reign as the ultimate watershed year for the supplier.
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 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 2000-03-01

2000-03-01
Introducing Dr. Rodica A. Baranescu, SAE President for the year 2000 Rodica Baranescu, SAE President for the year 2000, talks about the challenges she faced and the successes she enjoyed on her odyssey to the pinnacle of the automotive engineering community. NAIAS highlights AEI editors present the technical highlights of concepts and production vehicles from the 2000 North American International Auto Show in January. Best Engineered Cars of each decade of the 20th Century Readers of Automotive Engineering International voted on the best engineered cars of each decade of the 20th Century. An overall winner was chosen from among the entries. Philippine Automotive Technology Conference/Workshop The Philippine Automotive Technology Conference/Workshop will take place Monday-Friday, April 10-14, at the Dusit Hotel Nikko in Makati City, Manile, Philippines.
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.
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