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Aerospace & Defense Technology: February 2022

2022-02-01
What system Designers Should Know About MOSA Standards Microtube Technology A Catalyst for Next-Gen Aerospace Thermal Control Space Industry Test Challenges Advancing Metrology at Mach Speed Drone Mounted Inspection Breaks Barriers for F-35 RF Technology Helps Connect Avionics Systems Using Open-Cavity Plastic Packages in Avionics Applications Electronic Prognostics - A Case Study Using Global Positioning System (GPS) Prognostic health management (PHM) of electronic systems presents challenges traditionally viewed as either insurmountable or not worth the cost of pursuit, but recent changes in weapons platform acquisition and support requirements has spurred renewed interest in electronics PHM, revealing possible applications, accessible data sources, and previously unexplored predictive techniques.
Magazine

Aerospace & Defense Technology: May 2017

2017-05-04
Interoperability Standards Pave the Way for Modular Robotic Manipulators Solar Powering UAVs Deploying COTS Subsystems in UUVs Developing a Multi-Modal UGV Robot Control Interface Fast-Tracking Autonomous Vehicles with Simulation Gesture-Based Controls for Robots: Overview and Implications for Use by Soldiers Identifying the Flow Physics and Modeling Transient Forces on Two-Dimensional Wings Experimental Confirmation of an Aquatic Swimming Motion Theoretically of Very Low Drag and High Efficiency The Scaling of Loss Pathways and Heat Transfer in Small Scale Internal Combustion Engines A Guide for Developing Human-Robot Interaction Experiments in the Robotic Interactive Visualization and Experimentation Technology (RIVET) Simulation
Magazine

Automotive Engineering International 2000-02-01

2000-02-01
Increasing the hydroforming knowledge base Tube hydroforming has become a viable economic alternative to various stamping and welding processes in automotive applications. Controlling two-stroke engine emissions With the constant rich operation of two-stroke engines, common design criteria for three-way catalysts fail. DaimlerChrysler technical symposium A year after the merger that created the new corporation, engineers from both groups came together to present a unified technical symposium to review the future direction of the new organization. Here are some highlights of the more significant technical developments. Vertical complex-shape headlamp reflectors Another improvement in lighting technology gives designers increased flexibility in vehicle appearance with no loss in lighting performance. Advances in static and dynamic exhaust system seating Major redesign, combined with minor improvements in simple details, returns significant benefits in sealing.
Magazine

Automotive Engineering International 2000-12-01

2000-12-01
HID for both beams Automotive Lighting engineers have developed HID lighting for high-beam as well as low-beam functions. High-flux LED light sources Hella's advances in LED design provide new options for signal lights and styling variations for indirect lighting. Top 10 technologies for 2000 Readers have selected the most interesting technology stories appearing in Automotive Engineering International during the past year. The rankings are based on reader responses from feature articles and shorter technology items. Some of the stories appear here in shortened form. Synthetic diesel engine oil Researchers at ExxonMobil have developed an advanced lubricant for heavy-duty diesel engines. Disel Emission Control--Sulfur Effects The objective of this government-industry program is to determine the impact of fuel sulfur levels on emissions-control systems of diesel engines.
Magazine

Automotive Engineering International 2001-07-01

2001-07-01
Driven to test As automotive manufacturers and suppliers continually attempt to cut costs and reduce development cycle times, outsourcing of testing is becoming more prevalent in the industry. Testing resources This section highlights some of the latest testing products, equipment, and technologies used in sundry automotive applications from the industry's suppliers. Transmission options In this comprehensive review of technology, ZF's Group Vice President for Product Development concludes that the future belongs to automated manual, continously variable, and six-speed automatic and manual transmissions with increased capacities. Automotive moodular developments Engineers from Plastic Omnium Auto Exterieur and Inoplastic Omnium discuss design considerations for front-end module and plastic tailgate concepts. Flexible controls architecture for hybrid-electric vehicles General Motors and Motorola collaborate on a prototype vehicle for PNGV.
Magazine

Automotive Engineering International 2002-08-01

2002-08-01
Then there were two Prevailing sentiment in the Japanese media, and to some extent among the public, is that there are two truly indigenous automobile manufacturers in Japan: the Toyota group of companies and Honda. Others have entrenched themselves in global alliances for much-needed infusions of foreign capital. Cars and light trucks merge As light-vehicle segments blur in function and utlility, Japanese manufacturers are placing body design emphasis on optimum space utilization and crash safety. Chassis trends Technologies in development by Japanese companies include lane keeping, steer by wire, and dynamic stability via hybrid-electric drive. Engines and electric motors The Japanese industry is pursuing a high-tech mix of internal combustion engines, hybrid IC/electric powertrains, and fuel cells.
Magazine

Automotive Engineering International 2003-01-01

2003-01-01
Engine strategies and engineering Top powertrain executives from DaimlerChrysler and General Motors talk about their companies' views and plans for the future. Greater performance, better efficiency, and reduced emissions are the highlights of the latest crop of internal combustion engines from their companies and others. Educating engineers The automotive and academic worlds are teaming to ensure that the industry's future is full of qualified engineering talent. OEM production systems enable flexibility Building multiple models on the same production line is a Japanese innovation--one that U.S. automakers are hurrying to implement. Executives abound at SAE 2003 World Congress Re-tooled to increase the presence of OEMs and to make it easier for attendees to get the information they need, this year's Congress offers a great return on investment for engineers and related automotive industry professionals who spend time in Detroit's Cobo Center March 3-6.
Magazine

Automotive Engineering International 2003-07-01

2003-07-01
A different automatic Developed in conjunction with BorgWarner, Volkswagen's DSG automatic six-speed gearbox is aimed at enthusiasts and has fuel consumption superior to a manual gearbox. Accident avoidance GM and Delphi are testing adaptive cruise control and collision-warning technologies in the hope of ultimately increasing driver awareness and reducing driving behaviors that can lead to accidents. Branding vehicle dynamics The use of active systems and common hardware across several vehicle platforms, with different calibrations and control algorithms, can offer variations in character and brand, according to Prodrive Automotive technology. The drive for improved dynamics For the new XJ, Mike Cross, Jaguar's Chief Engineer for Vehicle Integrity, and his team aimed to preserve the isolation and feel of the previous car, but instill the handling precision and steering accuracy of the S-Type.
Magazine

Automotive Engineering International 2004-02-01

2004-02-01
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.
Magazine

Automotive Engineering International 2007-03-01

2007-03-01
Cars become more understanding Software and hardware advances are enabling voice-recognition technologies to rise to industry challenges. Wanted: Broader knowledge, new skills Continuous learning is a must for engineers to meet greater technology and productivity challenges -- and boost their own marketability. Seeing green Environmental and cost benefits are driving the auto industry to adopt materials derived from renewable sources such as soybeans and corn. Searching for fossil-fuel alternatives Future engine and drivetrain programs at Volkswagen are focused on alternative fuels and radical changes to engine combustion, but the battery may yet provide the light at the end of the technology tunnel. Emissions rules keep labs humming As long as there are regulations, engineers and technicians will be busy running tests in laboratories.
Magazine

Automotive Engineering International 2007-11-01

2007-11-01
Cadillac CTS GM's all-new global sports sedan makes no excuses in chassis dynamics, body integrity, powertrain performance, premium materials, and overall craftsmanship. Taking control of hybrids Software must monitor and manage many parameters while coordinating the complex operations of the engine, electric motors, and batteries. LIghter, faster, lower cost Ducati's top engineer brought a "maniacal" approach to developing the 1098 superbike. Diesels' brave new year Lean-NOx catalysts, closed-loop cylinder pressure sensing, and homogenous combustion are making "50-states" diesels a reailty. Behind the curtain AEI takes an in-depth look at how the designers and engineers at General Motors took the company's trio of new crossover SUVs from sketchbook to road. Engineering from everywhere With future growth in car and truck sales coming mainly from emerging markets, companies are realigning their engineering operations accordingly.
Magazine

Automotive Engineering International 2008-03-01

2008-03-01
Internal combustion: the next generation Homogenous combustion promises to many diesel efficiency and torque with the refinement and emissions benefits of gasoline power--but challenges remain. Testing for the future Providers beef up facilities to provide clients with additional capacity and invest in new tools for greater performance. Assembly required OEMs and suppliers are struggling to build new strategies and strengthen existing systems for improved global supply-chain management in an effort to reduce costs. Change is in the air (and on the ground) Chrysler, undergoing a transformation of its own, helps shed light on issues facing the evolving automotive industry at the SAE 2008 World Congress.
Magazine

Automotive Engineering International 2010-01-05

2010-01-05
Optimizing ICEs for hybridization Automakers and powertrain R&D specialists are developing combustion engines specifically for series-hybrid, EREV, and PHEV applications. Top engineers explain the opportunities involved. Consolidation in radios creates fragmentation As radio head units begin handling more functions, the hardware that handles these tasks is being scattered throughout the vehicle.
Magazine

Automotive Engineering International 2011-09-06

2011-09-06
Back to the future- the Honda way In a far-ranging discussion, the company's President of R&D opens the curtains a little on the inner workings of research and development from the CVCC engine to the new two-motor hybrid system. Mazda takes off "Skyactiv-ward" Senior Managing Executive Officer Hirotaka Kanazawa, whi is in charge of R&D, discusses the Skyactiv package of technologies that he hopes will lift the company's eco prospects. Chrysler pushes ICE limits with Multi-fuel, MultiAir R&D program Chrysler Powertrain engineers, in a collaborative research program with the U.S. Department of Energy, aim to squeeze a lot more efficiency out of the good old internal combustion engine. No longer a blip on the screen Luxury vehicles have used radar for years, but now systems are poised to enter the mainstream as safety demands rise and costs come down.
Magazine

Automotive Engineering International 2012-07-03

2012-07-03
Light and mighty Finding innovative ways to reduce vehicle weight while maintaining vehicle safety will be key to achieving the 2025 fuel-economy target. Controllers bulk up to manage engine's intricacies Chips hold more memory and boost throughput to help improve fuel efficiency. Electric Renault also focused on internal combustion Already becoming known in Europe as the 'electric company,' Renault, together with Alliance partner Nissan, is determined to pursue EV solutions but in parallel with intensive ICE programs, says Philippe Klein, Renault's Vice President, Corporate Planning, Product Planning, and Programs. Volvo plugs into high technology The company may be on a high-technology roll with its new plug-in diesel hybrid and its shift to a maximum four-cylinder philosophy-with three-cylinder units likely, according to Peter Mertens, Senior Vice President of Research & Development.
Magazine

Automotive Engineering: April 2021

2021-04-01
Optimizing hybrids for cost and fficiency AVL engineers detail a modular engine program suitable for all forms of hybridization. ICE: Once more, with feeling BorgWarner CSO sees at least one more generation of the ICE before its 'sunset.' Actuating hybrid and EV efficiency More sophisticated driveline-disconnect systems are part of the electrified-vehicle future, says the head of controls at Stoneridge. The world's piston maker charts the ICE future According to Mahle's research VP, the remaining development path for internal combustion is clean, electrified and ready for alternative fuels. Pumping EV heat Heat-pump technology is a game-changer for the widespread adoption of electric vehicles, says a service-tech training expert and EV owner.
Magazine

Automotive Engineering: April 2022

2022-04-01
Airing on the side of innovation Lucid Motors' home-grown innovations are leading the pace in electrification. Top engineers tell how and why they're building a benchmark with the new Air EV. Keeping combustion in the conversation The world needs ICEs to stick around - here's how. Engineering a 'Maverick' hybrid transmission Ford Powertrain engineers marry their new in-house electric machine with the proven HF45 transmission - under aggressive vehicle program timing. Driving electrified powertrain systems design Drive System Design punches beyond its weight class in meeting customer needs for electrified powertrain systems engineering services. DSD's North American chief Jon Brentnall explains.
Magazine

Automotive Engineering: March 2017

2017-03-02
Thought leadership at WCX17 Lucid Motors' David Moseley: EV or ICE, "It is all physics" New eye on the road One of the industry's hottest tech suppliers is blazing the autonomy trail by crowd-sourcing safe routes and using AI to learn to negotiate the road. Mobileye's co-founder and CTO explains. Hard, slick and ready to roll A tough, self-renewing catalyst coating developed at Argonne National Laboratory provides unprecedented friction and wear protection for vehicle powertrains, the inventors claim. Sensor ICs, semiconductors and safety To achieve ISO 26262 compliance, engineering practices must be taken to a higher level. The following insights may prove valuable for getting there. New VCR targets 40% BTE Variable-compression ratio with VVA from France's MCE-5.
Magazine

Automotive Engineering: May 2017

2017-05-04
Innovations for lightweighting Tough fuel-economy bogies for 2021 and beyond are driving new approaches to materials use, as seen in these case studies. Axellent progress AAM's new Quantum drive-axle technology is a leap forward in lightweight, efficient driveline systems aimed at 2020 and beyond. Low-temperature combustion ready for prime time? At SAE's High-Efficiency IC Engines Symposium, Delphi said its new, third-generation GDCI is promising, but even LTC proponents admit that challenges remain. More automation for ECU testing The latest fault-insertion tests enable engineers to run more test cases in less time.
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