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SAE Truck & Off-Highway Engineering: February 2023

2023-02-09
Virtual powertrain development Simulation is critical for efficient product development, but proper tool selection and efficient data management are keys to success. Blue Arc amps up for EV production Shyft Group's EV subsidiary is lighting the path for the electrification of last-mile delivery vehicles as well as mobile charging solutions. Increasing connectivity in construction Jobsites look to overcome challenges posed by mixed fleets and proprietary telematics to achieve "one-dashboard" vision and increased machine utilization.
Magazine

SAE Truck & Off-Highway Engineering: December 2021

2021-12-02
Steel sector aids sustainability Volvo Group partners with SSAB on 'green steel' for off-highway machines and with Ovako for access to fossil-free hydrogen. CV autonomy: Picking the 'low-hanging fruit' Increasingly automated commercial vehicles offer challenges and opportunities in simulation, data management and standardization. Developing EV-specific lubes As electric-vehicle technology accelerates, dedicated e-fluids are necessary to maintain proper levels of drivetrain performance. Editorial Real-world emphasis on electric Mahle, Liebherr develop active pre-chamber for hydrogen ICE ABS ramps up commercial-vehicle battery-pack assembly Navistar updates A26 engine, improves FE by 4% Bosch debuts new CV-specific electric motor and inverter Western Star adds 'weight sensitive' 47X to vocational lineup Hyundai CE launches next-gen electric forklift Q&A Mahle's Laurent Art discusses thermal-management challenges, solutions for battery and fuel-cell electric commercial vehicles.
Magazine

SAE Truck & Off-Highway Engineering: August 2021

2021-08-05
Accelerating truck autonomy Platform-agnostic interfaces, field data analytics and smart diagnostics will help the commercial-vehicle industry reach SAE Level 4 and 5 operations sooner. Upswing in outsourced EV testing As testing for electric commercial-vehicle propulsion systems surges, Drive System Design is rushing to expand its testing capabilities in the U.S. to keep up with the demand. Global emissions regs demand differing engine strategies The best choice in emissions-reducing technology varies for the U.S. versus Europe and elsewhere, a Jacobs expert details. Precision ag aids sustainability Deere expert Deanna Kovar, a 2021 SAE COMVEC keynoter, provides her thoughts on the future of autonomy, computer vision and machine learning, data management and more.
Magazine

SAE Truck & Off-Highway Engineering: April 2018

2018-04-05
Connectivity takes center stage Telematic links have become the norm, helping fleet owners and operators improve efficiency and letting OEMs predict component failures. More power, less noise, fewer emissions These key attributes drive development of new generators both big and small. TARDEC pursues advanced power generation U.S. Army, GM collaborate on fuel-cell-generated electricity to power the vehicle's propulsion system and onboard electronics, while providing off-vehicle power via an Exportable Power Take-Off unit. Developing an alternative engine concept Ricardo's CryoPower engine leverages two unique combustion techniques for reduced emissions and fuel consumption-liquid nitrogen and split combustion. Long-haul trucking and stationary power generation will be the first beneficiaries of the technologies. Technology time-warp The road to autonomous driving has been under construction for decades, as showcased by SAE's Mobility History Committee at the 2018 WCX in Detroit.
Magazine

SAE Off-Highway Engineering 2010-06-24

2010-06-24
The evolution of engineering via computer CAD has come a long way since the 1970s and '80s. Now with a price tag less that 10% of a 1980 system, CAD and its add-ons can tackle an ever-increasing range of tasks inculding automated engineering.
Magazine

SAE Off-Highway Engineering 2004-12-01

2004-12-01
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.
Magazine

SAE Off-Highway Engineering 2004-10-01

2004-10-01
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.
Magazine

SAE Off-Highway Engineering 2003-12-01

2003-12-01
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.
Magazine

SAE Off-Highway Engineering 2003-11-01

2003-11-01
Electronics invade the cab Joysticks and displays lead the transitions from mechanical links. Developing alternatives According to Ford Power Products, hydrogen-powered engines can be a reality, but while waiting for them to be economical with a developed infrastructure, other alternatives to diesel and gasoline are available. Optimization of structural components Researchers from Dana present a new design methodology to develop structural components using computer-aided engineering tools.
Magazine

SAE Off-Highway Engineering 2003-10-01

2003-10-01
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.
Magazine

SAE Off-Highway Engineering 2003-02-01

2003-02-01
The evolution of diesel emissions control The development of clean diesel has been a saga of evolution punctuated by occasional milestones. Heavy-duty engine emissions tests Ricardo recently commissioned from Emprise a new full-dilution emissions measurement system at its Chicago Technical Center. Air entrainment in hydraulic systems Researchers from Opus Systems and Hosei University designed a device to remove bubbles or foam in working oils for improved performance. Turbocompounding revisited Scania has introduced a new in-line six-cylinder engine that uses technology developed 20 years ago to meet tomorrow's emissions requirements.
Magazine

SAE Off-Highway Engineering 2001-10-01

2001-10-01
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.
Magazine

SAE Off-Highway Engineering 2000-10-01

2000-10-01
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.
Magazine

SAE Off-Highway Engineering 2000-06-01

2000-06-01
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.
Magazine

Momentum, the Magazine for Student Members of SAE International 2013-04-01

2013-04-01
Inductive approach An engineering professor from Ryerson uses MapleSim to introduce more exploratory methods of teaching. Monash University scores fourth Formula SAE-A win The Monash University Formula SAE-A team demonstrated its dominance by winning its fourth consecutive Australasian event in Melbourne last December. Audi Urban Intelligent Assist The three-year joint effort between Audi AG, the Volkswagen Group Electronics Research Laboratory (ERL) in Belmont, CA, the University of Southern California, the University of California at Berkeley, and the University of California at San Diego aimed at improving drivers' information and decision-making capabilities. Hovering aircraft programs The AW609 tiltrotor and the X3 compound helicopter offer different technology solutions to the challenge of achieving higher speeds and higher-quality point-to-point air transport.
Magazine

Momentum, the Magazine for Student Members of SAE International 2012-08-31

2012-08-31
ETS Baja parts failure analysis: Geared for success When the ETS Baja team had to withdraw from the Baja Auburn 2012 event due to abnormal gear failure, an extensive analysis was required to ensure that problems of this nature would not surface again. After some serious investigation, the conclusion of almost 30 hours of research was unexpected and proved surprisingly simple. Body and soul rule at 2012 Formula SAE Months before the Formula SAE Michigan competition in May, teams were hashing out product development decisions. The end-game was presenting a racecar that had the right stuff for earning high points in the challenge's vehicle design evaluation as well as the acceleration, skid pad, endurance, and autocross dynamic performance events.
Magazine

Momentum, the Magazine for Student Members of SAE International 2012-01-28

2012-01-28
Electrochemical reactions Students from the Department of Automotive Engineering at the NED University of Engineering and Technology build the first onboard fuel-cell vehicle of Pakistan. The Baja balance How to combine heavy homework load with your CDS team responsibilities. Embraer progresses on clean-sheet military program It has been over two years since Embraer announced that it would be developing the KC-390 military airlift and tanker jet under a contract with the Brazilian Air Force (FAB), which established the requirements for the aircraft as it did with other Embraer military programs. Calling all recruiters Lack of response to distributed resumes leaves many wondering, is anyone out there?
Magazine

Momentum, the Magazine for Student Members of SAE International 2011-08-29

2011-08-29
SAE Supermileage champ achieves 2158 mpg Teams of collegiate engineering students show pathways to amazing vehicle fuel efficiency inthe 32nd annual competition, making the top 10 meant beating 500 mpg! Engineer employment study reveals positive hiring trends A recent study from SAE analysts suggests that the future may be looking up for mobility engineers on the job hunt. Oklahoma's active Aero attack Students at the University of Oklahoma have spurred new ideas for aerodynamics development in Formula SAE with their newest wing package. SJSU grad, GM engineer receives Rumbaugh Award Rumbaugh Award recipient Randy Floresca says being involved with SAE was key to securing his current job. Electronics take the lead in the motorcycle race Bike-industry engineers are integrating electronic and electrical technologies in the quest for higher performance, more features-and zero emissions.
Magazine

Momentum, the Magazine for Student Members of SAE International 2010-09-01

2010-09-01
High-speed education @ formula hybrid event Annual competition provides a hands-on learning experience for undergraduate and graduate engineering students. Body-shaped for supermileage Six different single-occupant vehicles designed and built by teams of collegiate engineering students snared four-digit fuel economy at Eaton Corp.'s Marshall, MI, test track during the 31st annual SAE Supermileage competition in June. Mercedes-AMG goes with the current flow Opening the doors on new technology. First flight approaches for 'disruptive' new UAV engine An earlier iteration of UAS' Nightwind 2 in flight, powered by an off-the-shelf industrial engine. Three resume tips for college grads Employers often hire recent graduates to mold new hires to their own corporate culture and work philosophy, leading some employers to look more for potential than for specific experience.
Magazine

Momentum, the Magazine for Student Members of SAE International 2010-02-01

2010-02-01
Giving the blind the freedom to drive A Virginia Tech student team answers a call to action by the National Federation of the Blind's Jernigan Institute. 'Ultimate Youthmobile' of 2030 At the 2009 LA Auto Show, California designers envision the future. BMW's six-cylinder motorcycle Concept points to possible production bike. Modeling and simulation put emphasis on early planning The shift to model-based design and simulation is changing the way aircraft are designed, shifting the focus to the early phases of development. Early planning is critical for success, as is establishing techniques that ensure that files move freely between various work teams.
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