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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.

Operators see bright screens in their future HMIs borrow from tablets, phones to help operators perform a broad range of tasks Small engine landscape Kubota engineers developed new small-displacement engines that adopt a common-rail system while optimizing the combustion system and injection characteristics. Sensitive to safety A growing number of digital sensors are among the tools being used to make sure failures are rare and injuries are even more infrequent.

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

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.

Hydrostatic transmissions in conventional envelopes Kubota designed a hydrostatic transmission for a compact tractor to improve operator control and increase efficiency and productivity. Design of a hydraulic free-piston engine Dutch companies Noax and Innas have developed an engine in which nearly all combustion energy is directly converted into hydraulic energy. Optimizing tractive performance Canadian researchers correlate analytical predictions and experimental data to determine that the proper matching of front- and rear-tire sizes, aswell as careful control of inflation pressure and normal load of the tires, is necessary to achieve optimum tractive performance of four-wheel-drive tractors. Actively suspending off-road vehicles The University of Texas Center for Electromechanics evaluated a retrofit electromechanical active suspension that s hows promise of improved cross-country mobility for military vehicles.

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.

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.

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.

Engineering a cleaner off-highway world As engine manufacturers gear up to meet the next round of stringent emissions standards, equipment manufacturers are reviewing a number of design possibilities. Plugging in for safety Electronics dig deep to help protect operators and equipment. Leveraging the best of both worlds Combustion and aftertreatment technologies help engine manufacturers balance performance with emissions reduction.

Fixing the cracks in the system Nondestructive testing techniques evolve to accommodate new materials and digital capabilities. Looking to the future LCDs, touch-screen technology transform the look and feel of cabs. Advanced combustion near and far Advanced combustion research promises long-term improvements in efficiencies while reducing or eliminating the need for aftertreatment.

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.

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.

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.

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.

Designing out emissions Researchers from Michigan Technological University designed and tested a single-cylinder, four-stroke engine with electronic fuel injection and catalytic exhaust treatment for a snowmobile application. Networking to extend equipment life Equipment developers are using local area networks to gather specific usage and maintenance data in response to the needs of off-highway equipment owners and leasing companies to maximize investments. CAE goes off-highway A look at how manufacturers are saving time and improving quality by using computer simulation. Engineering the first 50-ton ADT While it could be said that the articulated frame truck is now a mature concept, Bell Equipment moved the goal posts by redefining both the weight class and application range for this versatile machine.

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.

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.

Komastu produces in Peoria Advanced heavy-duty robotic frame welding technology, new factory-based transportation systems, and major changes to factory layout combine to improve quality and reduce product cycle times for Komastu at its Peoria, IL, plant. Readers' Choice: Top Technologies of the Year Readers have selected the ten most interesting stories in SAE Off-Highway Engineering during the past year. They appear in shortened form. Results are based on reader-response choices following feature articles and shorter technology items. E-business evolves What follows is an update of the year's off-highway Internet-based activities intended to streamline operations along the supply chain and speed engineering product development. Manufacturing in the computer age Today's high-tech products require high-tech processes.

All things to all operators Manufacturers of commercial powerplants simultaneously tackle fuel efficiency, performance, and life-cycle costs. Digital morphs the radio landscapes In the world of aerospace, smaller radios are able to handle a larger number of frequencies. Top technologies for 2005 A look back at some of the most significant technological innovations in the news during the past year, as deemed by readers and editors.

Quality in the integrated product team In the early phases of product development, quality must be engineered and managed into the product. Advancing icing detection Engineers are working to develop a capability to detect icing conditions ahead of aircraft using onboard and ground-based remote sensing systems. Testing times Methods for testing aircraft engines have changed dramatically over the years for Rolls-Royce- almost as much as the engines themselves. This is the last installment of a three-part series on aircraft engine testing.