Success by design Toyota is working to differentiate itself from the competition by continually evolving its unique design philosophy. China overcapacity overstated? Automakers and suppliers are taking a "build it and they will come" approach to capacity in China. Challenges aplenty in China From an underdeveloped infrastructure to insufficient policing of intellectual property rights, government and industry leaders in China are dealing with a multitude of challenges--and opportunities--as vehicle sales soar. Testing adapts Growing vehicle complexity, globalization, and other industry trends are prompting companies to focus more on automation and standardization in their test programs. Lightweight vehicle engineering Demand for performance and fuel economy make materials once considered too expensive increasingly attractive.
More-electric small turbofan engines The aerospace industry demands continuous improvement of propulsion engines as well as timely response to the new and changing requirements for them. Zero-emissions aircraft Researchers explore the potential application of alternative fuels and propulsion systems for aircraft that include a business jet and single-engine propeller aircraft. Integration releases the reins Cessna's new Citation Mustang launches the company into a new market for business jets, helped by the latest PLM solutions from IBM. Military: general A military flight-control system proposed for use in general aviation uses inverse control to decouple the flight controls and to modify the handling qualities of the aircraft, while employing articficial neural networks to compensate for any modeling errors.
The need for speeds The recent automatic-transmission introductions by Toyota, DaimlerChrysler, and ZF highlight the trend toward greater gear-ratio spreads for better launch performance and cruising efficiency. Mechanical advantage Ride and handling can be influenced and controlled by the latest electronics, but careful mechanical design of the suspension can deliver significant benefits. Hard drives Driven by the insatiable demand for more usable navigation information and entertainment content, automotive disk drives will become commonplace, but not until cost and other issues are overcome, experts predict. Trucks get aerodynamic touch Light truck and SUV designers must reconcile conservative customer tastes with the need for reduced drag to bost efficiency. Pedestrian protection possibilities Carmakers consider a variety of solutions to the problem of saving lives outside the vehicle.
Showing how it's done Engineers are using software to better manage product development data, and applying tools to a new class of problems. NASA goes deep The agency's new long-term space exploration program starts with a return to the moon and will ultimately enable future exploration of Mars and other solar system destinations. Farnborough preview In an event that happens just once every two years, bringing the multitudes together, it is important to get as much technology as possible into the open and to find solutions to hard problems. Seats under crash loading The FAA and academia have conducted aircraft seat drop tests to compare and contrast passenger crash protection. A fluid approach Aerospace engineers have started using CFD software earlier and earlier in the design process.
Ministering to the interior The design of passenger car interiors has been changing steadily as safety and comfort systems have been added. The "Playstation" generation is likely to bring an increasing influence on ergonomic and aesthetic design, allied to a reduction in driver workload and a further enhancement in safety systems' capability and flexibility. Highlights from New York The 2004 New York International Auto Show saw the most world debuts in the event's history, with strong themes in new midsize luxury cars and midsize SUVs. Divergent stands on safety The battle between consumer advocacy groups and automakers over safety heats up as Congress contemplates mandates. Sport compacts go drag racing Makers of entry-level front-wheel-drive cars hope to translate power under the hood into power in the showroom.
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.
Advancing the art of manufacturing Use of new manufacturing tools and techniques are allowing aircraft makers to deliver their products faster. A materialistic industry Deciding which material is best suited to construct a part or plane is one of the most complex issues an aerospace engineer faces. Speeding up engine manufacture Fiber optics play a big role in percussion drilling tiny holes.
Technical highlights from Geneva The high-profile event combined new technology, fresh design, debuts of major production models, and styling concepts in a compact venue. North American technology trends Every year in the May issue, Automotive Engineering International explores the major technology trends defining the auotmotive industry in North America. In June, it will do the same Europe, and in August Asia. Internal-combustion engineering Despite a century of refinement, the gasoline engine still has untapped potential, say industry executives. Body building The quest for light, quieter, and safer cars and light trucks influences the design and engineering of most vehicle areas--body not excluded. Chassis integration keeps the rubber on the road U.S. OEMs and Tier 1 suppliers are collaborating to deliver the latest technology for performance and safety, but integration stays in-house.
Controlling UAVs BAE Systems and The Math Works work together on UAV flight software using embedded code generation and a high-integrity RTOS. Supporting aircraft evolutions Testing validates the technology, then the technology changes again. Time equals money A standard process for software cost estimation developed at Lockheed Martin streamlined the company's proposals for military projects.
The chain in China North American suppliers must confront some challenging supply-chain issues as they take aim at what could potentially become the world's largest automotive market. Visteon researches composite truck chassis The company used computer analysis extensively in a research project aimed at reducing the mass and complexity of a chassis structure while increasing strength and stiffness. Simulation goes beyond engineering Computational fluid dynamics simulation and visualization software vendors are introducing products to extend the value of CFD throughout the product life cycle, according to Acuitiv Software. Ford still riding Six Sigma quality horse Ford is combining Six Sigma with kaizen events at its plants around the globe to coax new ideas from its hourly workers in hopes of closing the gap with perennial vehicle-quality leader Toyota.
Huge loader: huge tire Tire technology retains a direct controlling influence over wheeled machine mass and application requirements. Getting engineers off the streets Hands-on experience and career-long training are widely employed to equip engineers with a skill set more varied than just technical know-how. Driving blind Industry, government, and academia have their eyes on autonomous off-highway vehicles. Introducing Duane Tiede, SAE President for 2004 With over 35 years of diverse experience in the off-highway industry, Duane Tiede steps up to a new challenge-leading SAE into its 100th year.
Planning for the future Employers and academia are teaming to ensure that there are enough engineers with the right combination of skills to step in and succeed in the workplace for years to come. A good defense Current military-propulsion programs range from the tried and true that no one thought possible 50 years ago, to those that some might not think possible 50 years from now. Maintenance 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. Introducing SAE 2004 President Duane Tiede With over 35 years of diverse experience in the off-highway industry, Duane Tiede steps up to a new challenge- leading SAE into its 100th year.
NAIAS technical highlights The industry kicked off what many are calling the Year of the Car at the North American International Auto Show in January. Cars and car-based crossovers took center stage, with many of the new models being derived from flexible architecture that will spawn many distinct products. High-performance hybrids Hybrid-electric technology is growing beyond economy cars to boost performance for luxury and sports cars and trucks. Toyota Prius: Best Engineered Vehicle for 2004 The second-generation gasoline/electric hybrid provides a larger and more versatile mid-size interior and sginificantly improves upon its pioneering predecessor in terms of performance, efficiency, emissions, and consumer appeal. AEI Tech 2004 Awards The new editors of Automotive Engineering International highlight some of the innovative new products and technologies on exhibit at the SAE 2004 World Congress based on the latest information provided by suppliers.
North American concepts Cars and car-based crossovers took the concept-vehicle spotlight this year at the 2004 North American International Auto Show in Detroit last month. Renault F1 opens up The company has provided unprecedented access to its new Formula One racecar and surprisingly detailed information on its engine. Cleaner, safer, quieter Testing companies are working to improve equipment and procedures to better match real-world situations in an effort to help automotive suppliers and OEMs in development of future vehicles. Microprocessor requirements soar Networks and emissions control are driving the switch to more powerful 32-bit chips. Hondra brings the hydrogen economy closer The next generation of fuel-cell stacks from Honda offers more power from a smaller package, and a prototype solar-power refueling station delivers the hydrogen fuel. GM hybrid story on SAE Congress agenda General Motors Corp. sees several avenues to a hybrid future, a transit bus leading the way.
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.