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Viewing 1 to 30 of 139
2017-08-04
Magazine
Opposed-piston engines: the powerplant of the future India's dream of an all-EV fleet by 2030: Myth, miracle, or reality? An approach for prediction of motorcycle engine noise under combustion load Innovations for lightweighting Tough U.S. fuel-economy bogies for 2021 and beyond are driving new approaches for materials, as seen in these examples. More intelligence equals more efficiency, enhanced functionality Advanced electronic systems require renewed focus on architectures, processors, sensors and networks. Connected commercial vehicles bring cybersecurity to the fore Connectivity, automation and electrification will drive vehicle development in the near future, say industry experts attending the revamped SAE COMVEC 17 event.
2017-06-01
Magazine
Executive Viewpoints Industry leaders offer their insights on the state of the heavy-duty on- and off-highway industries in this annual series of opinion pieces. The executives share their views on the most pressing technologies and trends shaping their business and the industry moving forward. Alternative power and connectivity top of mind Using power dense flywheel hybrid technology to cut fuel consumption of OH equipment IoT connections transform manufacturing, vehicle validation Annual Product Guide Supplier Directory Complete listing of industry suppliers categorized by technology area.
2017-05-05
Magazine
Alternative fuels and challenges Automotive powertrain development: virtually-connected hardware co-simulation Functional Safety-progressing towards safer mobility Electric rockets and the future of satellite propulsion Achates powers toward production A potential ICE game-changer, the Achates OP engine is being tooled up for production at one OEM while a new 2.7-L triple for light-truck demonstrations enters the build phase. 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.
2017-04-06
Magazine
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.
2016-12-02
Magazine
Autonomous plows ahead Agriculture, construction, mining-even marine-are advancing autonomous technology to improve the productivity and safety of vehicles on the job. Expediting engine design Simulation tools drive development of the most complex, fuel- efficient and powerful engines ever seen in off-highway applications. Industry 4.0: The smart factory arrives The plants that produce vehicles and their high-tech systems are increasingly employing intelligent systems, Big Data and advanced analytics to improve quality, safety and efficiency. The future is not so far-off Enhanced Cat 3500 engine boosts power 20%, trims fuel usage by 10% Phase 2 GHG rules driver for advanced technology, alternative fuels Eaton demonstrates waste heat recovery, variable valve actuation for HD diesels Hyliion develops add-on hybrid system for semi-trailers that reduces fuel consumption by 30% Tech-heavy Iveco Z Truck concept spawns 29 patents EPA's Grundler talks Phase 2 regs
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
2016-10-07
Magazine
The Best of COMVEC 2016 Autonomous vehicles, improved fuel efficiency and thermal management are among the pressing topics detailed in this select group of technical papers from the SAE Commercial Vehicle Engineering Congress. Autonomous solutions in agriculture Pneumatically shifted air suspension loading on 6x2 trucks Optimizing waste heat recovery for long-haul trucks Downsizing a HD diesel engine for off-highway applications Fan-shroud optimization for enhanced thermal performance Touch takes hold, switches lend a hand Touch screens are becoming the norm, but knobs and switches are often used to improve operator comfort. U.S. Army marches toward driverless future TARDEC targets vehicle autonomy with new V2V / V2X test bed in Michigan.
2016-09-01
Magazine
Ruling the skies Warsaw University of Technology and Georgia Tech dominate SAE Aero Design competitions. European teams take top spots at FSAE Michigan, U.S. teams at FSAE Lincoln Universitat Stuttgart of Germany and Auburn University of the U.S. take crowns at SAE Collegiate Design Series Formula competitions. Michigan Baja Racing repeats as Baja SAE season champion Coming in second is Rochester Institute of Technology, which was victorious in one of the 3 Baja SAE competitions.
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.
2016-06-03
Magazine
Executive viewpoints Industry leaders offer their insights on the state of the heavy-duty on- and off-highway industries in this annual series of opinion pieces. The executives share their views on the most pressing technologies and trends shaping their business and the industry moving forward. Annual Product Guide Top products from throughout the industry covering technologies such as Powertrain & Energy, Hydraulics, Electronics, and Testing & Simulation.
2016-05-17
Magazine
Base-engine value engineering for higher fuel efficiency and enhanced performance Continuous improvement in existing engines can be efficiently achieved with a value engineering approach. The integration of product development with value engineering ensures the achievement of specified targets in a systematic manner and within a defined timeframe. Integrated system engineering for valvetrain design and development of a high-speed diesel engine The lead time for engine development has reduced significantly with the advent of advanced simulation techniques. Cars poised to become 'a thing' Making automobiles part of the Internet of Things brings both risks and rewards. Agility training for cars Chassis component suppliers refine vehicle dynamics at the high end and entry level with four-wheel steering and adaptive damping.
2016-04-08
Magazine
Software's role continues to expand Design teams use different technologies to create new software and link systems together. Emissions regulations and engine complexity With the European Commission announcing a Stage V criteria emissions regulation for off-highway, scheduled to phase-in as earlly as 2019, there will be an end to a brief era of harmonized new-vehicle regulations. Will this affect an already complex engine development process? Evaluating thermal design of construction vehicles CFD simulation is used to evaluate two critical areas that address challenging thermal issues: electronic control units and hot air recirculation.
2016-02-16
Magazine
Autonomous vehicles: impact on society Self-driving technology offers plenty of promise, but not everything about autonomous vehicles will be a panacea. Crankshaft reliability by integrated design, simulation, and testing This testing method is proven and beneficial for the design and development of the crankshaft and could be applied to other critical engine components, thereby extending to system reliability. New Engines 2016 Highlighting the design, engineering, and technologies inside some of the most competitive gasoline and light-duty diesel ICEs. Touch and go Avionics developments are changing life in the cockpit and at airborne work stations. 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.
2016-02-05
Magazine
Off-highway hybrids: Opportunities and challenges With oil prices declining and emissions regulations in North America 'stabilized,' is there a place for hybrid powertrains in this new world of cheap oil? Looking for a better image Display advances are helping to reduce operator fatigue. Charging up electrified powertrains Control technologies race forward while batteries improve and adopt standard sizes. Measuring and accounting for suspension TARDEC teamed with SEA Ltd. to develop a system to measure the suspension parameters, center of gravity, and moments of inertia of wheeled vehicles in the never ending quest to model and predict vehicle dynamic behavior. Looking at mobility in 2050 Cuneyt L. Oge begins his term as 2016 SAE International President with a vision about the future of auto- and aero-mobility.
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.
2013-03-07
Magazine
Heavy-duty designs on aftertreatment The introduction of stringent EPA 2015 regulations for locomotive/marine engines and IMO 2016 Tier III marine engines precipitated the need to develop large diesel engine aftertreatment systems. Gaining control of damping Strong nonlinearities of hydraulic systems and the unpredictable operating conditions of the specific application (e.g., uneven ground, varying loads) are the main challenges to the development of satisfactory general vibration damping methods and controls. Getting real about test cycles Fuel consumption of working machines is strongly influenced by machine specification, working environment, and operator behavior, therefore a mix of several test cycles is necessary. The case for Class 8 hybrids Hybrid technology may not be the best solution for all heavy-truck applications, but a Caron Engineering expert explains how it can still benefit Class 8 vehicles.
2012-03-01
Magazine
On the cusp of connected cars An auto consortium is set to put the wireless V2X safety network to the test with 120 cars in the Frankfurt region. Thinking long and hard about heavy-duty telematics A study of the factors that should be considered by a vehicle OEM when implementing a telematics solution in heavy on- and off-highway mobile equipment markets.
2012-01-12
Magazine
Cummins digs in with high-speed diesel Cummins started with a clean sheet, and some legacy technology, for what it describes at the most powerful highspeed diesel ever built.
2011-11-30
Magazine
The buzz about electric aircraft Emissions limits force the aviation industry to study hybrid and battery-electric propulsion systems. Car-to-X marks the secure beamforming spot Intelligent networking of cars and infrastructure promises a future of enhanced active safety and traffic efficiency, though as an open and decentralized system, car-to-X is exposed to various attacks against security and driver's privacy. Talking big A look at factors that should be considered by OEMs when implementing a telematics solution in the heavy-duty on- and off-highway mobile equipment markets.
2011-11-17
Magazine
Technology crosses industry borders Between the commercial- and military - vehicle markets, knowledge sharing and tech transfer benefit both in areas such as vehicle electrification and alternative fuels.
2011-11-01
Magazine
Driving the pace of change Engineers speak out on software's impact on the automotive industry in online survey. Inside ZF's nine-speed transaxle for 2012 AEI travels to Friedrichshafen for an exclusive look at the development and technology behind the 9HP--the industry's first nine-speed transaxle slated for MY2013 production. Technology crosses industry borders Between the commercial- and military vehicle markets, knowledge sharing and tech transfer benefits both in areas such as vehicle electrification and altenative fuels. Cutting the cost of carbon Automakers streamline production to reduce the price premium for lightweight carbon fiber.
2011-09-01
Magazine
The man challenges of Tier 4 engineering Cutting and controlling emissions are the surface goals, but designers must also manage to cut and control costs, while adding complexity. A cool look at heat protection CFD is used to predict flow and thermal fields within the engine compartment both at steady state and transient conditions. Hushing hydraulics Researchers from the Georgia Institute of Technology put their energies into novel, compact devices for reducing fluid-borne noise.
2011-08-11
Magazine
Working together to meet Tier 4 requirements Engines and hydraulics are brought together by electronics and software. Turning engineers on- and off Top engineering executives from Daimler Trucks North America lead the technology discussion at this year's SAE Commercial Vehicle Engineering Congress, again covering topics paramount to both on- and off- highway engineers.
2011-07-07
Magazine
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.
2011-06-16
Magazine
Perking up fatigue analysis with simulation Using CAE simulation tools for fatigue and durability offers advantages to off-highway equipment engineers as they have grown in capability.
2011-05-05
Magazine
Cummins Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - Tier 4 Final and beyond. Mico Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - A smarter future. BorgWarner Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - meeting emissions goals with multiple technologies. Bosch Rexroth Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - The challenging future of mobile off-highway equipment. Sauer-Danfoss Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - The future of functional safety. Actio Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - Going forward with MSDS management. Eaton Vehicle Development Insights from Industry: Technologies and Trends for Future Growth - If we build it, they will come.
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