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Tech Briefs: May 2018

2018-05-01
New Technologies Tackle UAV Challenges Robotic Applique Kits Leverage Existing Assets Educating UGVs Implementing AI Advancements in Thermal Image Training Data Sets Protecting Critical Data on Unmanned Underwater Platforms Advancements Made to the Wingman Software-in-the-Loop (SIL) Simulation: How to Operate the SIL New features include the creation of virtual environments that match real-world gunnery test courses. Soldier-Robot Team Communication: An Investigation of Exogenous Orienting Visual Display Cues and Robot Reporting Preferences The effective use of robots to conduct dangerous missions depends on accurate man-machine communications. Soft Robotic Fish Swims Alongside Real Ones in Coral Reefs GPS Enabled Semi-Autonomous Robot Combining GPS signals with acoustic and encoder data gives a robot the ability to determine its location and orientation within a reference frame.
Magazine

Tech Briefs April 2018

2018-02-01
Multi-Domain Command and Control (MDC2) Changing the Face of Modern Warfare Loop Thermosyphons Gravity-Driven Two-Phase Cooling for the 21st Century CompactPCI Serial Space A New Embedded System Specification Takes on Extreme Environments Plain Bearings for Aerospace Applications Additive Manufacturing Materials for RF Components NASA CubeSats: Pushing the Boundaries of Technology Content Addressable Memory (CAM) Technologies for Big Data and Intelligent Electronics Enabled By Magneto-Electric Ternary CAM New associative memory approach based on the propagation of spikes provides ultra-low energy search operations. Natural DNA-Based Nonvolatile Resistive Switching Memory Reliable memory devices can be realized within a single macromolecule based on natural DNA.
Magazine

SAE Vehicle Electrification 2012-10-25

2012-10-25
When fuel cells fly Emerging hydrogen and fuel-cell-based technologies are being developed for the future replacement of onboard electrical systems in more-electric or all-electric aircraft. Motor controls spin forward Improved power handling and software advances make electrified powertrains more competitive. Multiple controllers adds to EV complexity Model-based design has revolutionized the way products are developed, with design shifting from parts to the whole.
Magazine

SAE VEHICLE ELECTRIFICATION

2013-10-25
BMW i3 was born electric The carbon-fiber-bodied city car is the German automaker's first series-production entry into the electric-vehicle space. High temperatures narrow material choices for electrified vehicles One of the biggest challenges confronting electric and hybrid-electric vehicle designers today is how to manage the high temperatures stemming from the electrical losses associated with high-power electronics.
Magazine

SAE Powertrain & Energy 2012-07-25

2012-07-25
The row about rare earths Rare-earth elements are key to applications as varied as traction motors, catalytic converters, and wind turbines, but high prices and supply shortages have the auto industry grappling with design changes and other alternatives.
Magazine

Momentum: February 2014

2014-02-01
Evaluation of heavy-vehicle aerodynamic drag In an attempt to achieve a balance between Reynolds number, model scale, and tunnel blockage issues, a 1:3 scale heavy-vehicle testing program has been initiated at the Monash University 1.4-MW wind tunnel. Validating performance suspension parts advances A forum at the 2013 SEMA Show discussed three approaches to ensure performance parts compliance with Federal Motor Vehicle Safety Standard 126. Panelists also explained how simulation data, and kinematics and compliance measurements, can improve performance parts design. Active safety starts in the pilot's seat Dassault Aviation's next-generation integrated digital avionics systems contribute to enhanced air safety in civil applications. Chevrolet ups the performance ante with MY2015 Corvette Z06 Stiffer-bodied sports car gains wind-aided performance with supercharging and downforce for faster lap times.
Magazine

Momentum, the Magazine for Student Members of SAE International 2012-08-31

2012-08-31
ETS Baja parts failure analysis: Geared for success When the ETS Baja team had to withdraw from the Baja Auburn 2012 event due to abnormal gear failure, an extensive analysis was required to ensure that problems of this nature would not surface again. After some serious investigation, the conclusion of almost 30 hours of research was unexpected and proved surprisingly simple. Body and soul rule at 2012 Formula SAE Months before the Formula SAE Michigan competition in May, teams were hashing out product development decisions. The end-game was presenting a racecar that had the right stuff for earning high points in the challenge's vehicle design evaluation as well as the acceleration, skid pad, endurance, and autocross dynamic performance events.
Magazine

Momentum, the Magazine for Student Members of SAE International 2011-03-31

2011-03-31
A new model for University research The robotics team at Carnegie Mellon University innovates with a new approach for the funding and commercialization of University research. Automotive and Aerospace engineering education: today and tomorrow Student opportunites in specialized programs continue to grow. Lamborghini is bullish about new flagship Of all the models making their world debut at the 2011 Geneva Motor Show, Lamborghini's Aventador LP 700-4 could claim top honors for new technology. B-Max launches downsized EcoBoost engines The small B-Max MAV uses familiar Ford "kinetic" design cues. Diesel/electric-drive military vehicle at Chicago auto show A military vehicle is designed to perform specific missions, not serve as an environmental showcase.
Magazine

Momentum, the Magazine for Student Members of SAE International 2011-01-28

2011-01-28
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.
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.
Magazine

MOBILITY ENGINEERING: June 2017

2017-06-01
Alternative fuels and challenges Automotive powertrain development: virtually-connected hardware co-simulation Functional Safety-progressing towards safer mobility Electric rockets and the future of satellite propulsion Achates powers toward production A potential ICE game-changer, the Achates OP engine is being tooled up for production at one OEM while a new 2.7-L triple for light-truck demonstrations enters the build phase. 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.
Magazine

Aerospace Engineering: November 5, 2014

2014-11-05
Adaptive trimming of composite parts Some of the techniques used in the Adaptive Manufacturing System are normal aerospace processes. The unique and enabling process is the scanning and adaptive trimming.
Magazine

Aerospace Engineering 2012-11-14

2012-11-14
Gradually going green The number of commercial airplanes globally is expected to double by 2030, but will there be enough fuel to keep them flying? 57 channels and everything's on Radios handle more frequencies as well as visual inputs, forcing developers to employ many design strategies. Surmounting modeling pitfalls A look at software tools that aid in the efficient model-based design of next-generation energy-optimized aircraft. When fuel cells fly Emerging hydrogen and fuel-cell-based technologies are being developed for the future replacement of onboard electrical systems in more-electric or all-electric aircraft.
Magazine

Aerospace Engineering 2011-09-28

2011-09-28
Up in arms over robots As one-armed robots improve in accuracy, gradually expect to see more of them as the pressure grows in aerospace to augment manual labor.
Magazine

Aerospace Engineering 2011-06-08

2011-06-08
Avionics go to war Advanced helmet sight systems are being designed to help the situational awareness of those pilots who actually still fly aircraft, while also being seamlessly integrated with the aircraft itself. Model military engine behavior While the concept of a variable cycle engine is not new, recent advances in engine architecture technology suggest that adding a second bypass stream to a traditional turbofan can provide significant benefits. Alternative seals for alternative fuels When considering seal compatibility an aircraft from traditional jet fuel to a synthetic fuel presents an interesting technical challenge that has both financial and practical considerations, especially for aircraft that are already in service.
Magazine

Aerospace Engineering 2011-02-09

2011-02-09
Composite simulation helps fill gaps There is no turning back from using carbon-fiber reinforced plastics and other composite materials for aerospace parts. Simulation providers are finding new opportunities to help reduce cost and improve efficiencies in designing and making aerospace parts made of composites. Shifting gears smoothly Ric 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.
Magazine

Aerospace Engineering 2007-09-01

2007-09-01
Sound sound-research techniques Higher bypass ratios, chevrons, shape memory alloys, and improved aerodynamics are some of the advancing technologies that will help quiet aircraft, and thus help the environment. Display technology perks up HUD, software make big strides in cockpit appearance and flight safety. Going green The global aerospace industry gears up for big changes in fuel burn, emissions, and noise.
Magazine

Aerospace Engineering 2007-04-01

2007-04-01
Supporting nest-gen propulsion The need for advanced computational and communication systems on board military aircraft make fuel cells an attractive propulsion alternative, and ample access to hydrogen a necessity. Aerospace industry seeks material returns Better use of materials data can pay off for aerospace designers. Transatlantic testing program for the F-35 Europe gets its most comprehensive-ever military airframe test facility.
Magazine

Aerospace Engineering 2007-03-01

2007-03-01
Management promotes sharing The extensive use of CAD tools in aerospace design brings many benefits, but also a number of challenges. Getting robots to multi-task The demand to fulfill continually increasing customer requirements forces suppliers to offer state-of-the-art system manufacturing solutions.
Magazine

Aerospace Engineering 2006-10-01

2006-10-01
A deeper dive Simulation and testing continue to evolve, giving engineers more capabilities to find and fix errors before aircraft go into production. Europe: The empty cockpit The growing momentum behind the design and manufacture of UAVs and their potential integration into the global environment is bringing outstanding technology challenges and ooprtunities for the aerospace industry. U.S. manufacturing base shifts into high gear. Both military and civilian contractors are ramping up to meet demands of both war and commerce.
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