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Simulating off-highway hybrids With customers squeezed by fuel costs, off-highway OEMs are showing some interest in developing hybrid equipment. CAE simulation tools are needed because of lack of experience with such devices. Their functional complexity requires control system simulation throughout their lives. A hose is a hose is a hose Researchers develop a method for the precise mounting of a hydraulic hose model. Integrity sensing for safety Researchers from Purdue developed a capacitance-based method for monitoring the integrity of tires, hoses, and other polymeric products during manufacturing and throughout the useful product life.

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.

Editorial The new 'face' of privacy The Navigator No trust in AI systems without data protection Innovation Nation In the mobility space, Israel is rivaling Silicon Valley for smarts and start-ups - and beats it in chutzpah. Autonomy in your Face Biometric technology is deemed essential to ensuring AV driving safety and advancing the user experience-if privacy issues don't derail its deployment. About Face! To win acceptance, deployment of facial-recognition technology needs to fit within a picture-perfect consumer and legal framework that balances benefits with privacy protection. The Vehicle as Gaming Device Audi spin-off Holoride uses VR to turn the back seat into an entertainment platform. BlackBerry Tech Duo Sees Emergence of Vehicle-based Platforms Though likely to provide the OS of autonomy, BlackBerry also anticipates a larger shift to automobiles as software platforms.

Defending the heavy-vehicle cyber domain Cybersecurity experts explained at SAE COMVEC 2021 how they're preparing the next generation of thwarters to protect increasingly electrified, connected and automated trucks. Digitalization of product engineering ESI proposes "sustainable" product development via virtual prototyping to ensure operational safety and comfort for off-highway machines. Developing a next-gen VGT Engineers from Mitsubishi Heavy Industries refine the design of a variable geometry turbocharger for commercial vehicles. Editorial Insightful comments from COMVEC Lidar lets Vermeer automate baling processes Extending a Wankel future on hydrogen fuel Next-gen HMI crucial for ADAS efficacy Altair honors weight-saving innovations A bevy of battery and fuel-cell electric truck reveals Q&A Dr. Philip Stephenson, general manager of the PACCAR Technical Center, hones in on the potential efficacy of E-fuels, commercial-vehicle battery-swapping.

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.

Technology for small-engine emissions reduction Swiss researchers used a modern four-stroke engine in conjunction with a commercially available catalytic converter and special gasoline to develop a significantly cleaner-running walk-behind mower. Large-scale application of J1939 The SAE electronic systems communication standard provides a method for achieving engineering flexibility, product standardization, parts rationalization, service, and customer convenience. Focus on electronics OEMs and their suppliers are developing vehicle systems for improved vehicle operation and reliability/durability with the help of electronics. The following pages review some recent industry advancements. 2000 SAE International Off-Highway Congress: one for the ages From antique off-highway equipment to the latest in intelligent vehicle technology, the 2000 SAE International Off-Highway & Powerplant Congress & Exposition brings yesterday and tomorrow together today.

Simulating air-conditioning performance A computer program developed by Modine Climate Systems and Modelogics helps determine and optimize air-conditioning system performance. Reduced mass haul-truck design concepts Liebherr Mining trucks adopted a reduced structural mass approach to convert unladen weight directly into payload, while simultaneously incorporating state-of-the-art driveline technology. Optimizing a tractor frame for improved cabin NVH To address an aging agricultural workforce and modern ergonomic guidelines, researchers at Doshisha University and Kubota modeled medium- and large-sized agricultural tractors to reduce vibration and noise and increase comfort. Applying 3d-CAD to turbocharger development Ishkawajima-Harima Heavy Industries has developed a 3d-CAD system for turbochargers. satisfying requirements for digital mockup development.

Off-highway CVTs A continuously variable transmission can improve the fuel efficiency of heavy-duty diesels by matching the engine's torque/speed to the applied load through the smooth torque multiplication of the transmission. Hydraulics for economics The design of a digitally controlled hydraulic fan drive from Denison Hydraulics is said to help diesel engines run leaner and cleaner. Telematics boosts productivity Advances in electronic technology enables equipment owners and operators to monitor not only usage, but location of equipment. A dumper on tracks Industrial vehicles featuring composite rubber-tracked drive systems have become increasingly popular over the past 10 years, carving out a respectable niche in many specialized industries.

Beyond batteries the reinvention of a 100-year old electrical energy-storage device could transform heavy-duty hybrid drive systems. Pumping down the volume The design evolution of low-noise spur and helical gear pumps. Tackling Tier 3 Both Cummins and Caterpillar choose the in-cylinder approach to reducing emissions. The telematics fix Diagnostics may be the key to keeping telematics viable and affordable. Complete and intelligent systems SAE 100 Future look: The future of mobile hydraulics can be seen today. Modern mobile hydraulics of today and tomorrow consists of complete system solutions with integrated electronics, which make off-highway machinery more efficient and, at the same time, reduce life-cycle costs. The next step in hydraulics and electronics SAE 100 Future Look: As we celebrate 100 years of SAE's contributions to our industry, it seems very appropriate to look forward at the next few years and assess where we will be.

More with less through electronic components Off-highway engineers have had to walk a precarious path in recent years by developing engine technologies that offer customers better vehicle performance and regulators lower emissions. The promises and problems of electrohydraulics Engineers acknowledge that electrohydraulics are the way of the future for the off-highway industry, and that the field itself could use a good public-relations campaign to attract more engineering students. Deere goes all out for agriculture To some, it may seem odd that John Deere picked this particular economy to launch over 50 new products, the most in its 164-year history. To others it reeks of confidence. Switching control in hydraulic drives Researchers from Johannes Kepler University believe agricultural machinery can be improved by further advances in motion generation.

Designing a high-performance electrohydraulic actuator Researchers at the University of Saskatchewan and the University of Toronto adopted a new design strategy for development of a new high-performance acutation system. Off-highway, online The Big Three automakers made big news in February by announcing the formation of a single Internet portal for conducting business-to-business e-commerce. Although no such B2B megasite yet exists for the off-highway industry, a number of separate Internet sites offer similar services to the agricultural and construction segments. Off-highway transient driving cycle Southwest Research Institute and the EPA teamed to determine the necessary emissions tests and certification cycles needed for off-highway engines. Benchmarks in tractor development Norm Swinford discussed the evolution of tractor technology at the 2000 SAE International Off-Highway & Powerplant Congress & Exposition in September.

Top technologies of 2003 A review of the 10 most significant stories published in SAE Off-Highway Engineering over the past years, as selected by the magazine's readers and editors. manufacturing gets a makeover Supply-chain management and automation add efficiency to the process. Simulation goes off road The off-highway industry is using computer modeling to reduce cost and save time in a variety of ways. Full-throttleflexibility Design, engineering, supply-chain management, and other factors pave the way for "manufacturing-that-can-turn-on-a-dime" capability at Oshkosh Truck Corp. High-speed-hauling system The global market for articulated dump trucks continues to be increasingly competitive with a seemingly endless stream of new model introductions.

Body building Caterpillar takes it upon itself to design a body for payload, performance, and durability. Getting on board with simulation Digital development is becoming more widespread and moving into areas and industries that have other long-established traditional design methods. 2004 technology in review A look back at some of the msot significant technological innovations in the news over the past year. Tradition, transition, and transformation SAE 100 Future Look: SAE reflects on a proud and rich transportation industry.

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.

Wiring UAVs The development of electronic architectures for UAVs and UCAVs marks a major step-change in the evolution of military aircraft as significant as the emergence of jet propulsion more than 60 years ago. Distributed simulation A new modeling technique is applied to a HALE UAV power system using detailed subsystem simulations of the turbine engine, generators, and loads. Tradition, transition, and transformation SAE 100 Future look: As the sun sets on the first 100 years of SAE, we refllect on a proud and rich tradition of contribution to the transportation industry. The battle for information flow SAE 100 Future look: Epic Data recognizes that the recent development of highly secure, futuristic real-time information flows provide a tremendous competitive advantage to field commanders making life or death decisions.

Safeguarding aircraft systems How several systems suppliers, airframers, and researchers have approached the need for increased system safeguards and protection against lightning strikes. One last look back A review of the technology news, discussions, and announcements from the first Aerospace Congress & Exhibition held September 10-13 in Seattle, WA. Powering unmanned aircraft Pratt & Whitney Canada is developing and testing a commercial turbofan engine derivative for high-altitude unmanned air vehicle applications. 737-800 winglet integration A joint venture between Boeing and Aviation Partners Inc. is involved in developing a performance improvement for in-service aircraft.

Cadillac CTS GM's all-new global sports sedan makes no excuses in chassis dynamics, body integrity, powertrain performance, premium materials, and overall craftsmanship. Taking control of hybrids Software must monitor and manage many parameters while coordinating the complex operations of the engine, electric motors, and batteries. LIghter, faster, lower cost Ducati's top engineer brought a "maniacal" approach to developing the 1098 superbike. Diesels' brave new year Lean-NOx catalysts, closed-loop cylinder pressure sensing, and homogenous combustion are making "50-states" diesels a reailty. Behind the curtain AEI takes an in-depth look at how the designers and engineers at General Motors took the company's trio of new crossover SUVs from sketchbook to road. Engineering from everywhere With future growth in car and truck sales coming mainly from emerging markets, companies are realigning their engineering operations accordingly.

Safe and sensitive Sensor fusion is the latest data sharing scheme for improving the performance of safety systems. BMW counts down to 1 Series The company's latest entry in the premium compact segment comes to market with rear-wheel drive, 50:50 weight distribution, and longitudinally mounted engines headlined by a powerful turbodiesel. Chevrolet re-engineers Corvette Although the new C6 is shorter and narrower than its predecessor, engineers wanted "more power, more passion, more precision" for the two-seat sportscar. 2005 Honda Odyssey The completely re-engineered model features new technologies from the inside out related to safety, performance, and entertainment. Chrsyler 300 / Dodge Magnum The "it" vehicles for the 2005 model year feature advanced technologies such as cylinder deactivation to go along with Hemi power and distinctive styling. Ford makes space for family vehicles Volvo donates its P2 platform for the new Ford Five Hundred, Freestyle, and Mercury Montego.

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.

Designs on Geneva Design chic, design blending, and design promise were all present in the halls of the Geneva Palexpo exhibition center for the city's International Motor Show, which this year cleebrated the centenary of its beginning. Big 3 in fight for home-market supremacy No other nation sells or produces more vehicles than the United States. Automotive Engineering International kicks off its annual Global Viewpoints three-month series of region-specific articles by examining what technologies U.S.-based OEMs and suppliers are pursuing to be a winner in the market no one can ignore. Sunny forecast for IC engine Don't expect to see the internal-combustion engine evaporate as a viable power source anytime soon, industry experts say. Sharing the wealth A versatile vehicle architecture can deliver multiple variants from a single platform, reducing development costs and time-to-market.