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Viewing 1 to 30 of 135
2017-09-28
Magazine
Using Thermal Simulation to Model the Effects of Wind on the Mars Curiosity Rover Quality and Validation of Digital Designs for Aerospace and Defense Scaling LiDAR Optical Payloads from Drones to Miniature UAVs Using Sintered Fiber Metal Composites for Aircraft Acoustic Attenuation GaN Breaks Barriers RF Power Amplifiers Go Wide and High Test System Ensures Flawless Performance of Military RF Devices The Impact of Video Compression on Remote Cardiac Pulse Measurement Using Imaging Photoplethysmography Remote physiological measurement technique leverages digital cameras to recover the blood volume pulse from the human body. Sensitivity Simulation of Compressed Sensing Based Electronic Warfare Receiver Using Orthogonal Matching Pursuit Algorithm Calculate the sensitivity of a CS based EW receiver using two modulation schemes.
2017-05-25
Magazine
Small Form Factor Embedded Systems New Technologies Drive Diverse Solutions Making Laser Weapons a Reality Modelling and Simulation Tools for Systems Integration on Aircraft Rotorcraft Anti-Icing Systems Redundant Transmitting System in Aircraft (RTSA) Cassini Stays in Touch with NASA's Radio Science Subsystem Laser Integration on Silicon Photonic Circuits Through Transfer Printing New fabrication approach allows the massively parallel transfer of III-V coupons to a silicon photonic target wafer. High Energy Computed Tomographic Inspection of Munitions Inspection system provides additional level of quality assurance for R&D, reverse engineering, and malfunction investigations. Terahertz (THz) Radar: A Solution for Degraded Visibility Environments (DVE) Operating at higher frequencies than other types of radar produces tighter beams and finer resolution. Imaging Detonations of Explosives Using high-speed camera pyrometers to measure and map fireball/shock expansion velocities.
2017-04-27
Magazine
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
2017-04-06
Magazine
Connectivity continues its advance More OEMs and Tier 1 suppliers are focusing on embedded telematic systems, hoping to displace aftermarket hardware. Tailoring fuel injection to control NOx The next big step to help heavy-duty diesel engines meet stricter emissions regulations involves adapting the fuel-injection system to the combustion needs. Active on safety Crash-avoidance technologies are vital "building blocks" to automate commercial vehicles, implement truck platooning and ultimately achieve zero accidents. Engineering with simulation and data Companies are discovering new simulation techniques, especially optimization; the next step is to combine simulation with sensor data and predictive analytics to create even more robust off-highway equipment.
2016-08-04
Magazine
Special report: Lightweighting Uncovering the next actions in the industry's grand mass-reduction campaign. CAE's next leap forward With 3D simulations skyrocketing, engineers are looking forward to highly-optimized toolsets to keep pace with complexity. SAE Convergence 2016 Preview Meet the disruptors, network with peers and learn about the latest tech solutions that are rapidly changing the auto industry. "Military-grade" aluminum Jaguar, Exa say simulation to eliminate prototypes by 2020 OEMs expand testing of FEV variable-compression ratio engine Growth of FCVs and EVs tied to infrastructure Bolt EV seat design cuts weight, delights tall passengers Rolls-Royce reveals a Vision of its future Volvo bets on new PowerPulse, not 48V, to attack turbodiesel 'lag' SEAT to spearhead VW's new platform and 48V technology Dr. Jay Baron of CAR discusses vehicle lightweighting and predicts the outcome of the crucial CAFE mid-term review.
2016-05-02
Magazine
UAV Technology Using SWaP-C Reductions to Improve UAS/UGV Mission Capabilities UGV Technology Designing Rugged Computing Platforms for UGVs UUV & Robotics Technology Bi-manual Dexterous Manipulation for Maritime Explosive Ordnance Disposal UUV Technology Applying UUV Advances to Safeguard Harbors and Littoral Waters Robotics Technology Designing a Robot to Counter Vehicle-Borne Improvised Explosive Devices
2016-04-08
Magazine
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.
2016-04-01
Magazine
Electronic Warfare Next Generation FPGAs for Electronic Warfare Systems Materials: Composites Managing the Impact of Nanomaterials in Aerospace Manufacturing Aerospace Materials/Manufacturing Turbine Flow Meters Alternative Power Sources Designing a Power Generation System for a More-Electric Aircraft
2016-01-06
Magazine
Time to get personal Industry engineers are combining apps, voice, the cloud, and other technologies such as artificial intelligence to enable drivers to customize their vehicles and anticipate their needs. Technology report GM and TARDEC co-developing fuel cell powered Chevrolet Colorado for military evaluation vehicles and anticipate their needs. Global vehicles Sports cars take center stage in Tokyo
2015-12-02
Magazine
Improving heavy-duty engine component efficiencies Cylinder deactivation can improve fuel economy by using a reduced number of cylinders that operate at higher loads and thermal efficiency, while other cylinders are turned off, when the engine operates at partial load conditions. A switching roller finger follower is one of the technologies that help make it work. Pumping up hydraulic capabilities Electrohydraulic advances keep coming as distributed electronics flex their muscle. Tracking the trends in commercial vehicle communications Industry insiders at Molex offer what they think the future may hold for heavy-duty components in 24/7 communications systems. ADAS system validation It is crucial that different advanced driver assistance systems functionalities interact seamlessly with existing electronic control unit (ECU) networks.
2014-05-01
Magazine
Simulating lightweight vehicles operating on discrete terrain Researchers characterize the mobility of autonomous reconnaissance vehicles on terrain considered to be deformable, and represented as a collection of bodies of spherical shape.
2012-02-02
Magazine
Easy to control Designers grab a range of technologies to create controls that are simpler for operators to use. Designing quiet off-highway equipment OEMs and suppliers are using new materials and innovative designs to reduce NVH for both vehicle operators and the environment. Using FEA in off-highway design The process of considering weld redundancy in virtual simulation is a complex way of ensuring that weldment design is robust enough to prevail over accidental weld redundancy that might occur during manufacturing. Efficient and effective leadership Frank O. Klegon, a 30-year SAE member and former product development VP at Chrysler, begins term as chief elective officer of SAE International. Making battlefield targets disappear The use of 'smart' special materials has the potential to radically alter the way military platforms are defended, and used.
2011-11-01
Magazine
Driving the pace of change Engineers speak out on software's impact on the automotive industry in online survey. Inside ZF's nine-speed transaxle for 2012 AEI travels to Friedrichshafen for an exclusive look at the development and technology behind the 9HP--the industry's first nine-speed transaxle slated for MY2013 production. Technology crosses industry borders Between the commercial- and military vehicle markets, knowledge sharing and tech transfer benefits both in areas such as vehicle electrification and altenative fuels. Cutting the cost of carbon Automakers streamline production to reduce the price premium for lightweight carbon fiber.
2011-05-26
Magazine
Enlisting aluminum The need for lighter weight and better efficiency has led to oncreased application of aluminum armor plate for military vehicles.
2011-01-28
Magazine
Road to lab to math Embry-Riddle Aeronautical University students designed a biodiesel-fueled power-split extended range electric vehicle for the latest ecocar challenge. Deep (Orange) Dive Cu-icar teams with industry to complete a student-engineered and -designed extended- range EV. Trends impacting military and defense engineering Industry leaders discussed a number of pressing issues- ranging from the need for more young engineers to significantly compressed design cycles- at the recent SAE Commercial Vehicle Engineeering Congress. Shifting gears smoothly Kleine, a 30-year veteran of Cummins Inc. and former SAE Commercial Vehicle VP, seeks continuity over change as he moves into SAE's driver's seat.
2010-12-03
Magazine
Top technologies of 2010 Abridged versions of the most significant innovations as voted on by readers. To read the full veresions of the year's top technologies, including interviews with engineers, visit the website at the end of each story. Trends impacting military and defense engineering Industry leaders discussed a number of pressing issues- ranging from the need for more young engineers to significantly compressed design cycles- at the recent SAE Commercial Vehicle Engineering Congress. Biomaterials: more to come Plants and animals-renewable resources- have begun to make measurable contributions to materials for equipment design.
2010-10-01
Magazine
A 'defensive' approach Oshkosh Corp. is providing executive leadership for this year's SAE Commercial Vehicle Engineering Congress, placing more emphasis on the military and defense businesses, and how those activities align with the commercial vehicle industry. Hybrid and mighty Having gained popularity un the automotive sector, many suppliers of hybrid drives are engineering their battery-electric offerings for the off-highway market. Customers, in turn, are experiencing major gains in efficiency and economy. Finding off-highway's top model Modeling, simulation advances help engineers get complex design to market quickly. Roll your own Technological advances into autonomously controlled vehicles facilitate road trains and troop support.
2010-08-26
Magazine
Keeping up with the pace of change Test centers are continually upgrading and expanding their facilities and equipment to handle the latest engine and emissions technology.
2010-07-22
Magazine
Lightweight, heavy-duty protection Next-generation military ground vehicles are being designed with materials that make them lighter for mobility while stronger to resist explosive impacts.
2010-07-08
Magazine
A good defense The latest military ground-vehicle navigation and communications give crews unprecedented situational awareness and on-the-move capability.
2007-03-01
Magazine
Putting tractors to the test Southwest Research Institute offers manufacturers a ready-made R&D laboratory and the test programs to push their machines to the limit. Leave the driving to us Military programs explore autonomy to lighten operator workloads. Easy on the operator Off-highway OEMs and suppliers want to make life as easy-and productive- as possible for the people running the equipment. Tough testing for tomorrow's demands The off-highway industry is moving toward a new era of legislation and environmental pressures, making test centers increasingly important.
2006-06-01
Magazine
Communicating without drivers Autonomous vehiclesrely on data communications. A big plan for small engines The design procesas for Perkins' 400 Series is driven by choice via continuous product improvements, not just by regulations. Bringing field to lab Mahindra & Mahindra cuts testing and evaluation time with new test system and statistical tools. Planning new wheels for the Army The ambitious Future Tactical Truck Systems program aims to leverage commercial sector know-how to make safer, more capable military vehicles.
2006-02-01
Magazine
A soft touch Control functions are undergoing a sweeping change as electronics take charge of hydraulic functions, helping to spark substantial growth in software and a shift to distributed intelligence. An engine of one's own How JCB and Ricardo engineered a change in motive power. Gators go robotic John Deere sees opportunities on the battlefield and in the corn field for its intelligent vehicle program. Pyrolytic carbon wet friction materials The characteristics of carbon fabric may provide significant performance advantages in off-highway wet brake and clutch applications. Introducing Greg Henderson, SAE President for 2006 The Lockheed Martin executive steps up to take SAE into its next 100 years.
2005-07-01
Magazine
Designing high-bypass nacelle inlets Simulation significantly reduces the time required of engineers at Goodrich to evaluate inlet performance and preliminary designs. Virtually eliminating prototypes IBM PLM Solutions developed by Dassault Systemes have enabled Dassault Aviation to meet the challenges of the executive business jet market with a new virtual platform. DOD looking for faster fixes The U.S. military is in the midst of a mighty push at its bases and depots to shorten the time it takes to get aircraft, trucks, tanks, and other weapon systems out the gate after they arrive for repair. A vision of military and civilian aviation tomorrow SAE 100 Future look: At Dessault Aviation, we believe the quest to fly "higher, faster, and further" that moved moved aviation's pioneers will continue to blaze new trails in the 21st century.
2004-02-01
Magazine
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.
2001-09-01
Magazine
Bridging the power gap An alliance between Cummins and Komatsu provides an intriguing prospect to the industrial engine market with the new QSK78 industrial engine. Large eddy simulation in hydraulic valves Cavitation in hydraulic spool valaves involves large-scale vortical structures in an unsteady submerged jet. According to engineers from Purdue University, curent CFD approaches do not accurately predict these unsteady vortices, nor do they properly account for bubble-dynamics/flow-structure interactions. Proving heavy-vehicle performance The Nevada Automotive Test Center and Mechanical Dynamics joined forces to redesign and improve the drivetrain, frame, steering, and other subsystems of a heavy-duty military-vehicle for the USMC. Tying it all together GPS. Engine diagnostics. Wireless communications. So much technology. So many voices. Is it a chorus of the Tower of Babel?
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