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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 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 2003-10-01

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 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 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 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

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 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

Aerospace Engineering 2004-12-01

2004-12-01
Top technologies for 2004 "Aerospace Engineering's" annual review of the technologies chosen by its readers to be the most significant. Tooling around in the computer Much of the latest software is very capable, but learning how to get the best out of it, and getting the business processes right, is the key to success.
Magazine

Aerospace Engineering 2003-12-01

2003-12-01
Telling the future Technology and the environment, BWBs and UAVs, and nuclear power may be the forces for the future of aerospace engineering. Top technologies for 2003 "Aerospace Engineering's" annual review of the technologies chosen by its editors and readers to be the most significant. Supporting aerospace design The proper use of COTS technologies can change the range of new processes and products in the electrical sector. American attack UAVs- Part II The second article in a two-part series of a perspective on more than 100 years of unmanned flight details some of the major developments in the use of unmanned aerial vehicles for combat.
Magazine

Aerospace Engineering 2002-12-01

2002-12-01
Fuel-tank inerting A series of aircraft flight and ground tests evaluated the effectiveness of ground-based inerting as a means of reducing the flammability of center wing furl tanks used in the commercial transport fleet. Making sense of quality management The International Aerospace Quality Group is a unique vehicle for communicating quality system standards and initiatives through the supply base. Top technologies for 2002 "Aerospace Engineering's" annual review of the technologies chosen by its readers to be the most significant.
Magazine

Aerospace Engineering 2002-04-01

2002-04-01
From motorsports to aerospace Pi Research brings its motorsports digital data-acquisition technology to the aerospace industry. New testing solutions Aerospace Engineering editors review the latest testing products, equipment, and technologies from the idustry's suppliers. The world of business jet technology "Aerospace Engineering" provides an overview of new business jets and the technological innovations that make them fly in the first installment of a two part series. Dassault adds another Falcon The Falcon 7X featurs a host of new technologies, including an advanced wing design, making it Dassault's next-generation business jet. Eclipse makes business jets affordable New manufacturing techniques and high-volume approaches are enabling Eclipse to bring an affordable aircraft to the business jet market. Cessna establishes its Sovereignty The company finalizes development of the Sovereign and prepares it for FAA certification, which is expected late this year.
Magazine

Aerospace Engineering 2003-04-01

2003-04-01
The dawn of the jet age: the first 10 years One of the ironies of aviation history is that the most obvious potential power source for a fixed-wing aircraft was barely considered by the early pioneers. Airflow simulation for winglets Embraer engineers used CFD to visualize flow patterns around wings for a design retrofit. Aircraft-engine-mounting analysis Engineers from Honeywell adapted a rapid analysis approach to develop and validate a complex propulsion system. Reshaping F-16 production Following its contract with the Joint Strike Fighter program, Lockheed Martin is reconfiguring its F-16 assembly line in preparation for long-term JSF production starting later this year.
Magazine

Aerospace Engineering 2002-08-01

2002-08-01
Europe's double-decker giant "Aerospace Engineering" provides an overview of the issues and technocal challenges faced by Airbus in the development of the A380. Quiet please Several technologies are under development at GE Aircraft Engines that address strigent demands from the airlines for reduced noise emissions from new aircraft engines. Thermal material solutions Astrium has begun investigating several new metallic thermal protection system concepts for reusable launch vehicles. Bringing the best of both worlds in engine technology GE Aircraft Engines and Pratt & Whitney together developed the GP7000, a powerplant alternative for the Airbus A380 superjumbo aircraft.
Magazine

Aerospace Engineering 2006-02-01

2006-02-01
Dassault-business aviation pioneer More than four decades of design and engineering evolution have seen the French business jet producer create a wide range of twin-and tri-jet Falcons, from the 20 to the latest 7X. Maintaining reliability Regional airlines and business jet operators care about fuel efficiency, just not as much as engine reliability. Introducing Greg Henderson, SAE President for 2006 The Lockheed Martin executive steps up to take SAE into its next 100 years.
Magazine

Aerospace Engineering 2004-11-01

2004-11-01
Wiring UAVs The development of electronic architectures for UAVs and UCAVs marks a major step-change in the evolution of military aircraft as significant as the emergence of jet propulsion more than 60 years ago. Distributed simulation A new modeling technique is applied to a HALE UAV power system using detailed subsystem simulations of the turbine engine, generators, and loads. Tradition, transition, and transformation SAE 100 Future look: As the sun sets on the first 100 years of SAE, we refllect on a proud and rich tradition of contribution to the transportation industry. The battle for information flow SAE 100 Future look: Epic Data recognizes that the recent development of highly secure, futuristic real-time information flows provide a tremendous competitive advantage to field commanders making life or death decisions.
Magazine

Aerospace Engineering 2001-11-01

2001-11-01
Safeguarding aircraft systems How several systems suppliers, airframers, and researchers have approached the need for increased system safeguards and protection against lightning strikes. One last look back A review of the technology news, discussions, and announcements from the first Aerospace Congress & Exhibition held September 10-13 in Seattle, WA. Powering unmanned aircraft Pratt & Whitney Canada is developing and testing a commercial turbofan engine derivative for high-altitude unmanned air vehicle applications. 737-800 winglet integration A joint venture between Boeing and Aviation Partners Inc. is involved in developing a performance improvement for in-service aircraft.
Magazine

Automotive Engineering: October 6, 2015

2015-10-06
2016 Malibu sheds 300 lb, adds new hybrid system More wheelbase, style, fuel economy, and comfort aim to move GM's volume midsize sedan from the sidelines to the fast lane. Lighter, more powerful 2016 Honda Pilot The third-generation SUV gets a sleek new look and plenty of slick technology for enhanced performance and safety. 2016 Mazda MX-5 stays true to its roots Mazda engineers give the industry a lesson in getting more from less. 2016 Land Rover Discovery Sport spearheads more efficient Land Rovers JLR's space-efficient, flexible SUV moves to JLR's new Ingenium modular engines. Audi chooses high technology, cautious design evolution for new A4 In addition to lighter weight and significant improvements in efficiency, the new car employs plenty of technology and driver support.
Magazine

Momentum: March 2015

2015-03-01
Diesel gets a promotion at SAE Clean Snowmobile Challenge The main rules change for the 2015 season is creation of a new engine category (diesel), the event's organizer notes in providing an overview of the SAE Collegiate Design Series competition. Wisconsin-Stout puts faith in gearbox redesign for Baja Blue Devil Racing Team believes packaging and durability advantages more than offset weight and low-end-torque penalties. Test cell at Kansas University does double duty Single-cylinder engine test cell designed for research into biodiesel also serves as an instruction tool for students. University of Michigan students have hand in Volt battery reliability Technology co-developed by U of M monitors the quality of welds used in the joining of Chevy Volt battery cells.
Magazine

MOBILITY ENGINEERING: Sept 2016

2016-09-01
Types of aircraft passenger-escape systems An overview of existing and potential new methods for assuring aircraft occupant safety. SAE Skill India Initiative: S2I2 A new SAEINDIA collaboration aims to help young engineers acquire "industry-ready" skills. A technology-driven sustainable-agriculture solution Pumping more air into the cylinder is key to solving the CAFE puzzle, and engineers are hard at work figuring out the best ways to do it with turbocharger and supercharger innovation. Rotorcraft icing computational tool development 3D printing machines can't be built fast enough In the additive-manufacturing world, the costs of components are dropping, the technology is becoming more reliable and parts are fabricated faster, allowing industries beyond aerospace to adopt additive technologies, says Oak Ridge Lab's Ryan Dehoff.
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