Software's role continues to expand Design teams use different technologies to create new software and link systems together. Emissions regulations and engine complexity With the European Commission announcing a Stage V criteria emissions regulation for off-highway, scheduled to phase-in as earlly as 2019, there will be an end to a brief era of harmonized new-vehicle regulations. Will this affect an already complex engine development process? Evaluating thermal design of construction vehicles CFD simulation is used to evaluate two critical areas that address challenging thermal issues: electronic control units and hot air recirculation.
Executive Viewpoints Off-highway industry executives write about some of the challenges and trends facing the industry over the next 20 years, and the innovation that will be required to stay competitive and sustainable. Annual product guide A product roundup showcasing the newest and most innovative supplier technologies in a variety of areas such as Powertrain & Energy, Electronics, Hydraulics, Materials, Testing & Simulation, Body and Chassis, and Interiors.
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.
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.
Small is as small does off-highway engineers have been pretty busy packing smaller and smaller engines with more and more power. Computer-aided everything Software is helping companies to be more effective when developing and evaluating off-highway vehicles and systems. Testing resources This section highlights some of the latest mobile and stationary equipment available to the industry for product development and evaluation. History of gerotor hydraulics The second part in a retrospective of the development of gerotor technology, the engineers behind the breakthroughs, and an acquisition here and there. Maintenence is old business at DoD Iraqi insurgents represent the U.S. Department of Defense's main concern at the moment, but an aging maintenance work force is among other concerns on its flanks.
heavy-duty visions MTU and DDC devoted engineers toward the development of engine technology for future military-vehicle applications. Smooth operation The interface between man and the machine can be made more comfortable, not to mention more productive, via the use of electronics. History of gerotor hydraulics The first part in a retrospective of the development of gerotor technology, the engineers behind the breakthroughs, and an acquisition here and there. Advances in fuel injection Engineers from Delphi address drive-circuit modeling and analysis of electronically controlled fuel injectors for heavy-duty diesel engines. CAE in hydraulics Analysis solves problems dealing with NVH and complicated dynamics inherent in check-valve design, development, and organization.
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.
Simulating air-conditioning performance A computer program developed by Modine Climate Systems and Modelogics helps determine and optimize air-conditioning system performance. Reduced mass haul-truck design concepts Liebherr Mining trucks adopted a reduced structural mass approach to convert unladen weight directly into payload, while simultaneously incorporating state-of-the-art driveline technology. Optimizing a tractor frame for improved cabin NVH To address an aging agricultural workforce and modern ergonomic guidelines, researchers at Doshisha University and Kubota modeled medium- and large-sized agricultural tractors to reduce vibration and noise and increase comfort. Applying 3d-CAD to turbocharger development Ishkawajima-Harima Heavy Industries has developed a 3d-CAD system for turbochargers. satisfying requirements for digital mockup development.