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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

Autonomous Vehicle Engineering: November 2019

2019-11-01
Editorial Bill Visnic: Expect the unexpected The Navigator Sam Abuelsamid: Separating illusion from magic in AV deployment The Road to Automobility The era of electrified, self-driving vehicles is upon us. Engineers are key to the transformation - with much hard work still to be done. Far and Away: Remote Drivers Monitor Autonomous Vehicles Remote operators are helping autonomous shuttles and other AVs navigate through complex situations. Mapping Canada - Centimeter by Centimeter A Montreal-based company leverages artificial intelligence to take on the task of developing high-definition maps of Canada. You've Lost That Queasy Feeling… Transcontinental research aims to understand the complex nature of motion sickness to help improve the automated-vehicle experience. 3D Sonar Sees Objects Overlooked by Costlier Sensors A dream of robotic fish inspires inexpensive automated-driving sensing technology that works for the critical areas close to the vehicle.
Magazine

Autonomous Vehicle Engineering: September 2021

2021-09-02
Editorial Fool Self-Driving II The Navigator What will result from NHTSA's Tesla Autopilot investigation? Data Drives Driverless Truck Launch Smart diagnostics and advanced validation help support the reliability metrics required to gain confidence that autonomous trucks are ready for the road. Peering into the Distance New sensors of all types look out longer distances - and provide higher resolutions - for engineers pushing ADAS capabilities and higher-level vehicle automation. Ford Drives into SAE Level 2 Driver monitoring was an essential component to engineering the new "hands-free" BlueCruise/Active Glide enhanced ADAS system. A Chore No More? The Detroit Smart Parking Lab opens to develop and test emerging parking technology in real-world settings. Share and Share Alike The concepts of rideshare and urban mobility continue to evolve as new projects test what's possible.
Magazine

Autonomous Vehicle Engineering: March 2021

2021-03-04
Editorial SPAC attack The Navigator Mapping the way to safe and natural automated driving Motorcycles Enter the ADAS Age The latest models from BMW, Ducati and KTM feature Bosch's new ACC setup, but further advancements will require navigating critical rider-control strategies. On the Way to SVA Aptiv says its Smart Vehicle Architecture central controller is the key to simpler, more compact and higher-performance ADAS and AV systems. New Insistence for Driver Assistance Panelists at SAE International's 2021 Government/Industry Meeting say assisted-driving technology is worthwhile - but effective driver monitoring is crucial. Flash! Lidar's Next Generation Arrives Technology solutions from new players and alliances are poised to drive down cost. Horiba MIRA's Vision for World-Class AV Testing A new autonomous vehicle development center called Assured CAV boasts a lengthy list of assets and capabilities.
Magazine

Autonomous Vehicle Engineering: January 2023

2023-01-01
Editorial As Argo taps out, the AV industry resets The Navigator 2022 a mixed bag for the AV sector Volvo's New Sensor Sweet A Luminar Iris lidar in the 2024 EX90 is engineered to enhance both automated driving and safety. Inner Visions Automated-driving and ADAS functionalities continue to influence some of the latest cabin safety and materials trends. The Olfactory Factor in AV Interiors Aryballe Technology's unique sensors-on-a-chip solution aims to end the subjectivity of the human nose while neutralizing vehicle cabin odors. AV Life After Argo AI Every new industry sector goes through a consolidation process where the strongest survive, and so it is with automated and autonomous driving technologies. Robotic ADAS Testing Bridges the Sim Gap ASI's Swarming technology allows collision-avoidance and other tests at high speeds on vehicles that human drivers find hard to match. New Tools & Technologies
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 2011-02-04

2011-02-04
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.
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

Automotive Engineering International 2002-10-01

2002-10-01
A controlling interest Motorola's Scott Anderson provides insight on how electronic controllers are making cars safer, better-performing, and more fun. Software support for telematics Microsoft's Automotive Business Unit is focusing on the convergence of Internet technologies with vehicle systems through the deployment of Windows CE and .NET software platforms. Cadillac CTS The company's latest passenger car ushers in a new era of Cadillac performance with the V-series. Lincoln Navigator Redesigned for the first time since its 1997 launch, the full-size SUV not only looks different from the original version, it feels different, too. A heavy-duty RAM Chrysler Group engineers have included several firsts for the 2003 Dodge Ram 2500 and 3500 pickups, including side curtain airbags and power adjustable pedals. Enzo Ferrari: the car Ferrari is planning to build 349 copies of its "extreme sports car," which embraces a raft of Formula One technologies.
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 2008-09-01

2008-09-01
Looking forward to safer highways New camera technologies, along with better algorithms and software, are enabling the move to active-safety systems that warn and then take control of vehicles in dangerous situations. Fuel-cell futures Eager to find alternative-propulsion solutions, automakers are betting that renewed emphasis on fuel-cell vehicles will pay off in the long run, with the latest examples aiming to prove higher-volume production feasibility. Consensus building ojn refrigerant type The hydrofluoro-olefin refrigerant HFO-1234yf has emerged as Europe's favored R-134a replacement, but some prefer R-744. Strengthening the link through software The next generation of simulation tools could help better synchronize manufacturing engineering and product design.
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 2001-09-01

2001-09-01
Trends in advanced chassis control Motorola vehicle system developers examine the state-of-the-art microprocessor and other electronic technologies driving the development of advanced braking, steering, suspension control, and collision warning/avoidance systems. Wheel design and engineering Consumer demand is driving the automakers' move to large-diameter, shiny, alloy wheels. Telematics and the digital car As development of new telematics products and services gain speed, OEMS, suppliers, and other players in the automotive industry are using simulators as a tool to gain greater understanding of driver distraction. NisSun Rising Nissan is back, according to President and COO Carlo Hosn, thanks to a revised product development structure that makes better use of employees and technology. Back to the future for Ford manufacturing The Vice President of Vehicle Operations said the company's goal is raw materials to finished goods in one day.
Magazine

Automotive Engineering International 2003-05-01

2003-05-01
Product is king in North America As it does every year, AEI takes a look at automotive industry trends in the three major regions of the world, beginning in this issue with a look at the North American industry and how domestic OEMs and suppliers are shaping its future. Europe will be the focus in June, Japan in August. A powerful mix Traditional and not-so-traditional power sources will share the roads in North America as OEMs and suppliers continue to research and develop a variety of advanced propulsion technologies. Consumer research drivers interior trends OEMs are giving suppliers greater responsibilities not only for delivering vehicle interiors, but also for consumer research that leads to compelling interior designs. Body and chassis developments Advanced technologies are enabling light trucks and SUVs to close the ride, handling, and safety gap with passenger cars.
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 2006-05-01

2006-05-01
Looking out at Geneva Performance, economy, and individuality, each achieved by technology, were the three overriding motor show themes at the Geneva-Palexpo--all good reasons why auto industry executives closely monitoring competitors needed to be on Swiss watch. Innovation offensive North American automakers and suppliers know that moving the ball forward and 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. Putting design in the driver's seat General Motors has dramatically shifted its product development focus from one led by engineering and manufacturing to one led by design and styling. Ford's new approach The company has restructured its engineering organization to maximize efficiencies and help bring stylish new vehicles to market more quickly.
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.
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