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SAE Off-Highway Engineering 2012-02-02

2012-02-02
Easy to control Designers grab a range of technologies to create controls that are simpler for operators to use. Designing quiet off-highway equipment OEMs and suppliers are using new materials and innovative designs to reduce NVH for both vehicle operators and the environment. Using FEA in off-highway design The process of considering weld redundancy in virtual simulation is a complex way of ensuring that weldment design is robust enough to prevail over accidental weld redundancy that might occur during manufacturing. Efficient and effective leadership Frank O. Klegon, a 30-year SAE member and former product development VP at Chrysler, begins term as chief elective officer of SAE International. Making battlefield targets disappear The use of 'smart' special materials has the potential to radically alter the way military platforms are defended, and used.
Magazine

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

SAE Off-Highway Engineering 2013-04-04

2013-04-04
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.
Magazine

Autonomous Vehicle Engineering: March 2019

2019-03-07
Editorial It's more than just a magazine The Navigator Needed: a step beyond STEM SAE AV Activities A listing of SAE International's autonomous vehicle-related offerings across the organization. Autonomy for the Masses Ford Autonomous Vehicles LLC aims to do for AVs what the Model T did for just about everyone. CEO Sherif Marakby explains. Speeding Thermal Analysis for Autonomous EVs Solving thermal challenges is vital to AEV development. Siemens PLM's new Simcenter integrated simulation package offers a high-fidelity, easy-to-use solution. New Mobility's Mega-Mappers Most believe ultrahigh-definition mapping is crucial to make high-level automated driving possible. Developing these maps is a huge undertaking-one that's enjoying a massive investment of money and talent. From a Blip to a Boom Automotive radar rides the 77-GHz technology wave toward greater capability and vehicle safety.
Magazine

Autonomous Vehicle Engineering: January 2019

2019-01-08
Editorial Trust, testing and transition SAE Standards News SAE updates J3016 automated-driving graphic View from a Visionary Chris Urmson helped give birth to vehicle autonomy. His company, Aurora, is leading the technology to maturity and widespread adoption. Extending EV Range Using AV Programming Intelligent programming of autonomous electric vehicles offers potentially big energy savings, according to a study by IAV. Intel Study: Autonomous Vehicles Expected to be Common-in 50 Years New U.S. consumer survey sees most Americans "expect" AVs, though many currently fear the technology. Europe's Latest AV Testing Facilities Key for Swift Autonomous Adoption The need for data sharing and commonality in burgeoning AV technologies is bringing new meaning to the words 'proving grounds.' End Public 'Shadow' Driving! The best way to test and train AI for autonomous vehicles is through proper simulation, systems engineering, and an end-state scenario matrix.
Magazine

Autonomous Vehicle Engineering: September 2020

2020-09-03
Editorial AV lidar enters a new reality The Navigator UNECE takes first step toward AV regulation Special Delivery - by 'Bot Michigan start-up Refraction AI aims to be the go-to for last-mile, semi-autonomous, all-weather delivery robots. Lidar Infiltrates ADAS Once considered a necessity only in fully autonomous vehicles, lidar sensors are now being evaluated for lower-level driver-assistance systems. Training Data-hungry AI Algorithms Large-scale data refinement is key to bringing more sophisticated automated-driving functions to series production. Simulation's Next Generation Do autonomous-vehicle developers have their simulation strategies all wrong? Some experts think so - but suggest there's a practical solution. Marelli's COVID-killing HVAC Insert With big implications for shared mobility, a new photocatalytic cabin-air purifier claims to kill viruses - including COVID-19. Is Ground-penetrating Radar Next for AV Sensing?
Magazine

Autonomous Vehicle Engineering: March 2020

2020-03-05
Editorial Autonomous 'Uncola' bubbles up The Navigator Cruise Origin points the way for AV architecture The Mind of Argo AI Co-founder and CEO Bryan Salesky brings a realistic approach to the self-driving technology "mission." Metamoto Goes Deep on AV Simulation Simulation based on the actual physics of vehicles and sensors continues expanding to replace millions of miles of potentially dangerous real-world testing. ZF Establishes Level 2+ ADAS Cost-effective technology solutions to meet diverse customer needs are what the "new pragmatism" in driver-assistance tech is all about. Senior VP Aine Denari explains. Lidar in a Flash Continental delivers a short-range 3D flash lidar sensor that's expected to find increasing application in commercial vehicles and off-highway ma-chines in 2020. Sensor Heat Relief Canatu's carbon nanobots keep critical sensor surfaces - and LED head-lamps - clear in sub-freezing weather.
Magazine

Autonomous Vehicle Engineering: July 2020

2020-07-02
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.
Magazine

SAE Truck & Off-Highway Engineering: June 2021

2021-06-01
No shortage of challenges Supply chain struggles join perennial challenges for Cummins' off-highway business, namely meeting shifting global emissions standards and satisfying emerging technology trends. Batteries not the only route to EV efficiency Allison CTO stresses efficiency and safety of propulsion units also are critical to reducing cost, improving performance and ultimately winning over customers. Batteries go underground A Saft expert evaluates various Li-ion chemistries and strategies - battery swapping vs. fast charging - for electric mining vehicles. Platooning: an evolving pathway to full autonomy Human-guided convoys can provide real-world benefits sooner than individual driverless trucks, but safety and operational issues still need to be resolved to optimize platoon configurations. Supplier Directory Complete listing of industry suppliers categorized by technology area.
Magazine

Autonomous Vehicle Engineering: April 2023

2023-04-13
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
Magazine

SAE Truck & Off-Highway Engineering: April 2017

2017-04-06
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.
Magazine

SAE Off-Highway Engineering 2005-12-01

2005-12-01
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.
Magazine

SAE Off-Highway Engineering 2001-04-01

2001-04-01
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.
Magazine

SAE Off-Highway Engineering 2007-04-01

2007-04-01
Help from above Cell towers and satellites enable people to keep equipment running. Cleaner and quieter diesels To meet tightening regulations, engineers are tasked with adding more and more components and systems to take away more and more emissions. Connecting sensors Suppliers and road construction OEMs have teamed to develop an application profile for sensor interfaces.
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 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 2010-10-01

2010-10-01
A 'defensive' approach Oshkosh Corp. is providing executive leadership for this year's SAE Commercial Vehicle Engineering Congress, placing more emphasis on the military and defense businesses, and how those activities align with the commercial vehicle industry. Hybrid and mighty Having gained popularity un the automotive sector, many suppliers of hybrid drives are engineering their battery-electric offerings for the off-highway market. Customers, in turn, are experiencing major gains in efficiency and economy. Finding off-highway's top model Modeling, simulation advances help engineers get complex design to market quickly. Roll your own Technological advances into autonomously controlled vehicles facilitate road trains and troop support.
Magazine

SAE Off-Highway Engineering 2011-07-07

2011-07-07
What we have here is a desire to communicate Telematic service and equipment providers are racing to gain market share in what's expected to become a solid long-term market. Sizing up accumulators No other feature of a hydraulic hybrid has more effect on the end performance of the powertrain than the accumulator. modeling helps to provide specific guidance with regard to establishing pre-charge pressure. Beating a path to biodiesel Multiple pathways are being pursued to increase biodiesel use, reduce dependence on petroleum, and improve the environment, but the best route is not yet known.
Magazine

SAE Off-Highway Engineering 2011-09-01

2011-09-01
The man challenges of Tier 4 engineering Cutting and controlling emissions are the surface goals, but designers must also manage to cut and control costs, while adding complexity. A cool look at heat protection CFD is used to predict flow and thermal fields within the engine compartment both at steady state and transient conditions. Hushing hydraulics Researchers from the Georgia Institute of Technology put their energies into novel, compact devices for reducing fluid-borne noise.
Magazine

SAE Off-Highway Engineering 2006-09-01

2006-09-01
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.
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