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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: August 2018

2018-08-01
Designing a High-Speed Decoy Unmanned Aerial Vehicle (UAV) Using Thermoplastics in Aerospace Applications In-Flight Real-Time Avionics Adaptation Using Turbine Flow Meters for Aerospace Test and Measurement Applications Communicating from Space: The Front End of Multiscale Modeling Laser-Based System Could Expand Space-to-Ground Communication Hydraulic Testing of Polymer Matrix Composite 102mm Tube Section Research could lead to development of a composite material that can be processed at a low temperature and still be used at 1000°F. Permeation Tests on Polypropylene Fiber Materials Study attempts to determine if polypropylene nanofiber materials can be used in air filtration systems to remove toxic vapors. Inter-Laboratory Combat Helmet Blunt Impact Test Method Comparison Ensuring consistent test methods could reduce the risk of head injuries.
Magazine

SAE Vehicle Electrification: Novmeber 12, 2014

2014-11-12
Harley-Davidson's e-bike shocker (video) Is the motorcycle market ready for a Harley-Davidson EV? Project LiveWire was designed to provide answers, said Chief Engineer Jeff Richlen. Airbus has its eye on the future of cleaner flight CleanSky 2 targets are to increase aircraft fuel efficiency enough to reduce CO2 emissions by 20-30% and reduce aircraft NOx and noise emissions by 20-30% compared to newly designed aircraft entering into service in 2014-or essentially halve 2005 CO2 emissions levels by 2050. Soul EV extends the range frontier (video) Specially formulated NCM battery cells are key in giving the vehicle class-leading EV range while enabling engineers to fit a high-energy-density battery pack underfloor with little sacrifice of passenger cabin space.
Magazine

SAE Vehicle Electrification 2012-04-18

2012-04-18
Putting electrification to work For fleets, going green is a high priority-but making green is an even higher one. A move to 'more electric' engines Researchers detail a motor control design for the fuel system of a more electric aero engine, focusing on the necessary safety and reliability aspects. 2012-13 Hybrid Vehicles Guide A quick reference to the latest production HEVs and their key specifications.
Magazine

SAE VEHICLE ELECTRIFICATION

2013-08-21
Lithium-ion refinement Even as high-profile fires create concern, battery and car makers accelerate their move toward lithium-ion technology with advances in cost, performance, and safety. NASA's quest for maximum efficiency As part of its hybrid body wing aircraft with turboelectric distributed propulsion system, NASA has proposed to use a superconducting and cryogenic electrical system to connect the electrical output of the generators to the motors.
Magazine

SAE Off-Highway Engineering: February 4, 2015

2015-02-06
Rotary SI/CI combustion engines: A thing of the future? The internal combustion engine enjoys widespread use as an inexpensive and reliable power conversion system. While piston engines date back 150 years, various alternative engine architectures and cycles have been considered. Aftertreatment comes with challenging diagnosis Diagnosing engine and aftertreatment systems is forcing design teams to look at new ways to diagnose problems over long vehicle lifetimes. Taking on NVH reduction techniques A look at the enhanced durability benefits obtained by changing the polymer composition, manufacturing methods, and design optimization of a powertrain mount for an off-highway vehicle.
Magazine

SAE Off-Highway Engineering 2011-11-03

2011-11-03
Tier 4 for large bore Engineers show that a pre-turbine aftertreatment system offers clear and distinct benefits in terms of compact, cost-effective emissions reductions. Programmed for safety and reliability The software that adds features and functions is becoming more reliable as standards and new techniques transform design processes. Electrohydraulics improve with new lift-control strategy Fuel consumption, torque delivery, and emissions can all be improved through flexible control of the valve timing, duration, and lift.
Magazine

SAE Off-Highway Engineering 2011-06-16

2011-06-16
Perking up fatigue analysis with simulation Using CAE simulation tools for fatigue and durability offers advantages to off-highway equipment engineers as they have grown in capability.
Magazine

SAE Off-Highway Engineering 2010-10-14

2010-10-14
Cold metal transfer process picks up heat CMT, with its unique characteristics, is a process that was designed particularly for welding of thin materials while achieving high quality standards.
Magazine

SAE Off-Highway Engineering 2010-01-14

2010-01-14
Software takes center stage Programs for hydraulics must combine reliability and flexibility. Technical Innovations Carraro launches concept variable transmission transaxle. Original Eqipment Case CE says new crawler dozer offers big performance, not weight.
Magazine

SAE Off-Highway Engineering 2009-06-01

2009-06-01
The diesel engine diet Researchers correlate engine performance and durability with the properties of alternative fuels that consist of vegetable oils and animal fats. Looking at a safer future Software, other sensors will augment cameras as safety's role in the off-highway industry takes an upward spiral. Plastics expand their range From high-speed train exterior panels to powertrain components, plastics and composite materials are finding their way into more off-highway applications.
Magazine

SAE Off-Highway Engineering 2005-12-01

2005-12-01
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.
Magazine

SAE Off-Highway Engineering 2000-06-01

2000-06-01
Technology for small-engine emissions reduction Swiss researchers used a modern four-stroke engine in conjunction with a commercially available catalytic converter and special gasoline to develop a significantly cleaner-running walk-behind mower. Large-scale application of J1939 The SAE electronic systems communication standard provides a method for achieving engineering flexibility, product standardization, parts rationalization, service, and customer convenience. Focus on electronics OEMs and their suppliers are developing vehicle systems for improved vehicle operation and reliability/durability with the help of electronics. The following pages review some recent industry advancements. 2000 SAE International Off-Highway Congress: one for the ages From antique off-highway equipment to the latest in intelligent vehicle technology, the 2000 SAE International Off-Highway & Powerplant Congress & Exposition brings yesterday and tomorrow together today.
Magazine

Momentum: October 2015

2015-10-01
Finding success on an international track Student members of the University of Missouri's Formula SAE team are learning firsthand that international collaboration is the future of engineering. A vision. A car. A cause. New Mexico State Aggies are tough enough to race pink. CyberAuto Challenge helps close talent gap Having a supply of high-quality young engineers is key to beefing up the automotive industry's cyber defenses.
Magazine

Momentum: February 2015

2015-02-02
Taking on the Valeo Innovation Challenge Two Canadian teams-the University of Ottawa and the University of Waterloo-finished in the top 3 among about 1,000 other universities from around the world in this challenge devoted to spurring innovative ideas for transportation. Colorado State University designs fuel-cell plug-in hybrid system Competing in the EcoCAR2 competition using a Chevrolet Malibu, the Colorado State team designed a system that features a 15-kW polymer electrolyte membrane fuel cell system, an 18.9-kW•h/177-kW lithium-ion battery, and a 145-kW motor. Cal State Fullerton combines art and engineering Team's submission on its Formula SAE car won first place in the second annual Generation Auto video contest organized in part by SAE International. Collaborative research project leads to potentially swarming VTOL UAVs The AVIGLE VTOL (vertical takeoff and landing) unmanned aerial vehicle was developed via collaboration by a variety of entities for a variety of applications.
Magazine

Momentum, the Magazine for Student Members of SAE International 2013-09-30

2013-09-30
When real life and FEA meet Model validation becomes the focus for building the chassis of a BAJA SAE vehicle. One student offers his advice for making smart choices while using FEA. Wait...where is Manitoba? Andrew Smith, Executive Vice Chair for the University of Manitoba's SAE International Chapter faces limited resources and the growth of what was once a small team. High hopes or just dreaming? A look at how Asia's aircraft manufacturers are trying to break into new markets to challenge the status quo. Operators see bright screens in their future HMIs borrow from tablets, phones to help operators perform a broad range of tasks.
Magazine

Momentum, the Magazine for Student Members of SAE International 2013-04-01

2013-04-01
Inductive approach An engineering professor from Ryerson uses MapleSim to introduce more exploratory methods of teaching. Monash University scores fourth Formula SAE-A win The Monash University Formula SAE-A team demonstrated its dominance by winning its fourth consecutive Australasian event in Melbourne last December. Audi Urban Intelligent Assist The three-year joint effort between Audi AG, the Volkswagen Group Electronics Research Laboratory (ERL) in Belmont, CA, the University of Southern California, the University of California at Berkeley, and the University of California at San Diego aimed at improving drivers' information and decision-making capabilities. Hovering aircraft programs The AW609 tiltrotor and the X3 compound helicopter offer different technology solutions to the challenge of achieving higher speeds and higher-quality point-to-point air transport.
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 2012-01-28

2012-01-28
Electrochemical reactions Students from the Department of Automotive Engineering at the NED University of Engineering and Technology build the first onboard fuel-cell vehicle of Pakistan. The Baja balance How to combine heavy homework load with your CDS team responsibilities. Embraer progresses on clean-sheet military program It has been over two years since Embraer announced that it would be developing the KC-390 military airlift and tanker jet under a contract with the Brazilian Air Force (FAB), which established the requirements for the aircraft as it did with other Embraer military programs. Calling all recruiters Lack of response to distributed resumes leaves many wondering, is anyone out there?
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