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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.

After diesel A look at some offshoots-hybrids, HCCI, and alternative fuels-to the ever-popular diesel engine in the off-highway industry. Software gains (hydraulic) power Development processes are being revised as software becomes a centerpiece of electrohydraulic designs. Virtual sensing gets real As emissions regulations get more strict, emissions measurement must get more precise for onboard diagnostics, engine control, and model-based controller design.

Hybrids step forward Electric and hydraulic systems trim fuel consumption and emissions, boost performance. Braking for safety Researchers developed a simplified ABS/EBS ECU test bench to research the brake force control function of the EBS system using HIL simulation technology. A metered look at dosing pumps High delivery accuracy, low weight, and dependably long life have made solenoid-operated pumps widely used in mobile applications.

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.

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.

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.

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.

Editorial Follow the money The Navigator C-V2X is finally gaining momentum in the U.S. Making the Strategic Move Into AV Testing Having built its global engineering reputation in the combustion-engine era, FEV makes a critical leap into automated-vehicle testing. Sony Jumps Into AV Sensors, Software The consumer-electronics giant leverages its innovative technologies for ADAS prototypes and partners with Hungary-based AImotive for automated-driving software. Mitigating Radar-to-Radar Interference An effective radar interference mitigation strategy should have the right balance between complexity and capability for dealing with the interferers. Amending the Automated-driving 'Constitution' SAE International's J3016 standard has been comprehensively revised with new distinctions and definitions. The Committee chairperson, Barbara Wendling, addresses the fine points behind the industry-defining - and perpetually controversial - classification for automated-driving capability.

Delivering simulation benefits Product-development software tools are being put to good use in many off-highway industry segments. Movingalong with stationary power Performance, reliability, and cleanliness are just a few of the golden rules for all engines, whether they are propelling a tractor or powering a barn. Frames adapt to changing environments Heavy-equipment frames do not often get a lot of attention from customers, due mainly to the fact that they get plenty of attention during the design cycle. 2005 technology in review A look back at some of the most significant technological innovations in the news during the past year, as deemed by readers and editors.

Electrohydraulic engineers embrace integration Software improvements help both engineers and operators as architectures evolve. Indestructible from the start OEMs and suppliers are investing in testing equipment, facilities, and software to ensure proper performance of components prior to being placed in the field. To 2010 and beyond Engineers working on emissions-control systems for heavy-duty engines already are preparing for ever more stringent regulations later next decade. Top Technologies of 2008 The editors look back at some of the most significant technological innovations during the past year according to readers.

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.

Small is as small does off-highway engineers have been pretty busy packing smaller and smaller engines with more and more power. Computer-aided everything Software is helping companies to be more effective when developing and evaluating off-highway vehicles and systems. Testing resources This section highlights some of the latest mobile and stationary equipment available to the industry for product development and evaluation. History of gerotor hydraulics The second part in a retrospective of the development of gerotor technology, the engineers behind the breakthroughs, and an acquisition here and there. Maintenence is old business at DoD Iraqi insurgents represent the U.S. Department of Defense's main concern at the moment, but an aging maintenance work force is among other concerns on its flanks.

Digging with precision Electronic technologies continue to transform the off-highway environment, all the way down to the components used to create electrohydraulic systems, including pumps, valves, and new additions, such as house controllers and sensors. Speeding up design Software automates more tasks, handles challenges. Together for a change On- and off-highway commercial vehicle industries converge at fourth-annual Commercial Vehicle Engineering Congress & Exhibition.

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.

Saving space To address packaging constraints in off-highway equipment, engineers developed a fuel vaporizer catalyst that makes for a more compact aftertreatment system. Steering toward safety A look at new technology concepts to overcome design issues inherent in adapting steering angle for heavy-duty applications. A fluid performance Researchers have developed a procedure to measure a fluid's effect on the degree to which mechanical power is efficiently converted to hydraulic power in pumps typical of off-highway applications.

Tier 4 for large bore Engineers show that a pre-turbine aftertreatment system offers clear and distinct benefits in terms of compact, cost-effective emissions reductions. Programmed for safety and reliability The software that adds features and functions is becoming more reliable as standards and new techniques transform design processes. Electrohydraulics improve with new lift-control strategy Fuel consumption, torque delivery, and emissions can all be improved through flexible control of the valve timing, duration, and lift.

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.

Heavy-duty issues Top industry insiders provide their perspectives on critical issues such as sustainability, workforce development, and future growth at this year's Commercial Vehicle Engineering Congress and Exhibition. Autonomouse vehicles go off-highway Advances in sensors, CPUs, and software help in the druve to eliminate drivers. Power and precision Hydraulic motors and actuators evolve along two paths, both relying on advanced controls.

Taking control Improved displays and software give operators better insight into hydraulic systems. Making sense for electronic engines Sensors help engines boost performance while meeting emissions requirements.

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.