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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.

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.

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.

On the verge of the Digital Age Increasingly connected electrohydraulic systems and machine controls allow the high degree of controllability that's essential for automated operations. Miserly power systems Engineers push engine, transmission technologies to turn off fuel usage. All options on the table Powertrain developers who spoke at SAE COMVEC are leaving no stone unturned in their quest to trim emissions. Cab air quality: A critical component of operator comfort Focus on defining cab air quality, measuring it, and designing the needed performance into cabin designs and HVAC systems is intensifying. Expanding fast charging faster Tritium works to accelerate installation of DC fast-charging infrastructure to keep up with growing demand for commercial EVs.

Editorial High noon for high-level autonomy The Navigator A fork in the road for the AV business The Electric, Autonomous Revolution Lifts Off Engineering the new generation of electric and hybrid vertical-take-off-and-landing vehicles at Wisk and Elroy Air. New SAE Standard for Automated-Driving Developers Developed in less than a year, SAE's new J3216 standard will impact traffic management, operations and safety for automated mobility. Making Data Logging, Replay and Prototyping More Efficient High levels of continuity and compatibility are vital to avoid interruptions in the development process - and reduce cost. Radar Death Star ELunewave's 3D-printed spherical antenna makes for fast, 360-degree single-snapshot readings that are claimed to beat the slower sweeps of conventional radar. The Case for FOTA in AV Data Security Firmware over-the-air data transmission helps OEMs drive secure vehicle autonomy.

Material selection for battery enclosures Mass reduction is the main reason BEV makers choose aluminum for battery enclosures, but cost and thermal requirements favor steel and polymer composites. Startup targets medium-duty EVs Atlis Motors purpose-engineers nearly all the vital components for an electric pickup and platform capable of spanning several market segments. High-voltage hybrids FEV engineers evaluate 48V and high-voltage parallel hybrid architectures for Class 6-7 commercial vehicles. Certain setups show more promise than others. Hemphill's mission: Support the innovation ecosystem Schaeffler America CTO Jeff Hemphill brings impressive technical chops and well-honed communication skills to his new role as 2021 SAE International president.

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.

Editorial Threats to automation's reputation The Navigator Increasing EV range through increased compute efficiency The Road to Zero Prototypes ADAS and HMI development are important applications for new simulation solutions. Lidar vs. Everybody in the Onboard Sensor Race Future vehicle systems will feature a reduced sensor array, but still will need a technology combination for safe performance. Toyota's Advanced R&D Puts Humans First Creating technologies that amplify human experience and endeavor to help solve society's biggest challenges is the mission of the Toyota Research Institute. Tesla's FSD Recall Impacts AV Industry The automaker's recall of its Full Self Driving Beta leaves a significant dent in automated driving's credibility. Mercedes Mimics Microsoft Mercedes-Benz developed an in-house operating system to join an all-new vehicle platform architecture to enhance automated driving, OTA updates and other features. New Tools & Technologies

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.

Operator station innovations Off-highway engineers work hard to provide comfort, ease of operation, and reliability to users. As an added challenge, they must design for operators who can spend an entire day working hard in their cab. Designing online Major developments in internet-based technologies are profoundly changing the engineering/design process, revolutionizing the way OEMs and suppliers do business, and speeding the industry's time-to-market. FEA simulation of an electrohydraulic system Researchers from the Milwaukee School of Engineering provide an accurate model of a typical magentic actuator Predicting injury in forklift upsets Researchers from the Biomechanics Institute present test results that demonstrate operators can prevent ejection and injury from a forklift if they are lap-belted and have either a winged seat or hip restraint.

Off-highway braking According to Mico, electrohydraulic braking controls can provide improved performance and add system features difficult to obtain with hydromechanical mechanisms. Keeping quiet Targeting off-highway and heavy-truck OEMs, Blachford claims its new acoustics laboratory will offer some testing capabilities previously only available to the passenger-car market. ADT marketing and manufacturing While it is not debatable that articulated dump trucks are a hot commodity, it is debatable how many are technologically unique. Proportional pressure reducing valves Engineers from Thomas magnete have designed pilot valves that work with electrohydraulics to simplify complex machine control systems.

Hydrogen possibilities Using hydrogen in an internal-combustion engine application requires not only a custom-engineered combustion concept, but also optimized operation strategies. Nets catch on Engineers have been slow to adopt networks, but that is changing quickly as electronically controlled engines take hold. Hydraulic matters There is much potential for gain for everyone if OEMs and suppliers work together early in terms of hydraulic system design. Asia hot on new cooling technology Not tied as much to aluminum as is the West, china and Russia are moving fast toward widespread use of copper and brass for radiators. Build, test, teview, and improve SAE 100 Future Look; Frank Perna, Chairman and CEo of MSC. Software writes about his experience in vehicle engineering, testing, and management positions.

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.

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.

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.

Digital revolution changing hydraulics Electrohydraulics trim costs while improving safety and efficiency. Heavy-duty testing Targeting off-highway and other commercial vehicle engine makers, Ricardo has expanded its Chicago Technical Center to help them comply with upcoming emissions regulations. An integrating experience The importance of systems integration will be an overarching theme at a new SAE conference, COMVEC, for the on-and off-highway commercial vehicle industries. Off-highway gets cooler and greener An environmentally benign A/C refrigerant rooftop unit is ready for testing in logging and mining equipment in Australia. Mining for better seating The mining site is a particularly challenging environment for vehicles, which combined with the intense work schedule of most mining operations, leads to a serious need for comfort and convenience for equipment operators.

Integration helps fuel push for conservation As rising fuel prices and looming environmental regulations bring fuel economy to the fore, hydraulic system developers are pitching in to improve efficiency and help conserve precious resources. Simulating hydraulic valve pressure drop CFD software is being used more and more frequently during the design of off-highway systems and components. 2006 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. Position sensing in machine controls As performance requirements for off-highway equipment become more demanding, the need for greater control of motion and power grows as well.

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.