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Tech Briefs: October 2018

2018-10-01
Detecting Drones with Doppler-Based Radar Digital Transformation for a Connected Enterprise Using Electromagnetic Brakes to Keep Thrust Reversers in Place Thermostatic Solutions for Temperature Control Applications Bringing RF into the Embedded World: It's Time Compact Power Amplifier Solution for Electronic Warfare Burner Rig Testing of A500® C/SiC Test method simulates, in a laboratory environment, the service conditions ceramic-matrix composite material would experience in turbine engine exhaust applications. Space Debris Orbit and Attitude Prediction for Enhanced and Efficient Space Situational Awareness Developing accurate models to predict the behavior of manmade debris in space could be the key to preventing collisions with satellites. Maintaining Enterprise Resiliency Via Kaleidoscopic Adaption and Transformation of Software Services (MEERKATS) Implementing new technologies to create a more resilient, secure cloud computing environment.
Magazine

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: June 2018

2018-06-01
Beyond VMEbus - A New Concept Taming the Thermal Behavior of Solid-State Military Lasers Solving the Challenge of Thermal Design in Aerospace Electronics Improving Component Life in Abrasive, Corrosive Aerospace Environments New Pulse Analysis Techniques for Radar and EW Validation of Ubiquitous 2D Radar Converting Existing Copper Wire Firing System to a Fiber-Optically Controlled Firing System for Electromagnetic Pulsed Power Experiments Technological improvements make pulsed-power experiments with gunpowder- or air-driven guns safer. Low-Cost Ground Sensor Network for Intrusion Detection COTS-based system could provide increased level of security with less manpower. In-Network Processing on Low-Cost IoT Nodes for Maritime Surveillance Commercially available system of distributed wireless sensors could increase the Navy's intelligence collection footprint.
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 2011-11-30

2011-11-30
The buzz about electric aircraft Emissions limits force the aviation industry to study hybrid and battery-electric propulsion systems. Car-to-X marks the secure beamforming spot Intelligent networking of cars and infrastructure promises a future of enhanced active safety and traffic efficiency, though as an open and decentralized system, car-to-X is exposed to various attacks against security and driver's privacy. Talking big A look at factors that should be considered by OEMs when implementing a telematics solution in the heavy-duty on- and off-highway mobile equipment markets.
Magazine

SAE Vehicle Electrification 2010-11-04

2010-11-04
Why Volt? After 48 months' development, the 2011 Chevrolet Volt has enetered series production. The pioneering "E-REV" is as important to the mobility industry as it is to GM. Creating the heart of Volt GM's battery requirements meant creating new state-of-the-art in-vehicle engery storage - and doing it in less than four years. Top GM and supplier engineers reveal how they did it. Engineering with maniacal focus A dedicated, cohesive team and a conservative engineering approach put this innovative vehicle into production at moon-shot speed. A unique electrified transaxle Hybrid or not? Definitions aside, what really matters is GM wisely leveraged its next-generation Two Mode propulsion technology to give Volt greater overall efficiency. Sweating the body details Extensive wind-tunnel work gave Volt a shape that's slicker than it looks. But engineers aren't happy with the curb weight.
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 Truck & Off-Highway Engineering: August 2019

2019-08-01
Electric machines find their niche Smaller machines working in cities are particularly ripe for electrification, but most off-highway applications will retain the internal-combustion engine. Big data, big benefits Data mining helps users and equipment developers use data from on-vehicle sensors to work more efficiently. Data connectivity in harsh environments Ensuring high-speed data transmission requires OEM designers to think more about components, placement and the impact of environmental conditions early in design. Trucks with intuition Perceptive Automata partners with Volvo Trucks to demonstrate AI technology that can determine when pedestrians will cross the road. Change is afoot Cummins and its CTO help focus the 2019 SAE COMVEC on the fast-shifting technology landscape that faces both on- and off-highway sectors. Editorial AI, ADAS & AVs-oh my!
Magazine

SAE Truck & Off-Highway Engineering: August 2018

2018-08-02
Heavy-duty engine design Increasing regulations and market demands call for cleaner, more durable and fuel-efficient engines. Developers rely on CAE simulation, enhanced test methods and 3D printing to keep up. Switching to comfort mode Switches, knobs and touch panels evolve to reduce operator fatigue. Big on prognostics Smart data-analyzing procedures that support predictive maintenance will help to significantly increase the uptime of heavy-duty vehicles. The "Evolution of Big Data" symposium at SAE COMVEC 2018 addresses such critical topics. Starship road trip Optimized aerodynamics and production-ready technologies propel Shell's Class 8 concept to a 248% freight-ton-efficiency improvement.
Magazine

SAE Off-Highway Engineering: October 7, 2015

2015-10-07
HMIs extend beyond the cab Telematics functions are being integrated into multi-function user interfaces. Standards step forward in design of off-highway electronics Functional safety standards are starting to impact many development projects, while the auto industry's AUTOSAR standard is being deployed to help enable software reuse and simplify designs. Leveraging automotive lightweighting techniques to improve off-highway emissions Where systems engineers can gain efficiencies in off-highway equipment is agnostic, they'll take it anywhere, and so they should, but one of the ways, often underestimated, is through the use of strong and lightweight advanced materials. Waste heat recovery for the long haul A WHR system based on an organic Rankine cycle has been developed for a long-haul Iveco Stralis truck.
Magazine

SAE Off-Highway Engineering: August 7, 2014

2014-08-07
Growth in telematics capabilities brings more benefits to more users Broader coverage, more features highlight the potential for increased connectivity and communication from the field
Magazine

SAE Off-Highway Engineering 2010-04-22

2010-04-22
Cleaner living A different approach to powertrain emissions testing is needed as the off-highway industry prepares to meet the challenges of forthcoming Tier 4 standards, both Interim and Final.
Magazine

SAE Off-Highway Engineering 2008-12-01

2008-12-01
Electrohydraulic engineers embrace integration Software improvements help both engineers and operators as architectures evolve. Indestructible from the start OEMs and suppliers are investing in testing equipment, facilities, and software to ensure proper performance of components prior to being placed in the field. To 2010 and beyond Engineers working on emissions-control systems for heavy-duty engines already are preparing for ever more stringent regulations later next decade. Top Technologies of 2008 The editors look back at some of the most significant technological innovations during the past year according to readers.
Magazine

SAE Off-Highway Engineering 2004-10-01

2004-10-01
Beyond batteries the reinvention of a 100-year old electrical energy-storage device could transform heavy-duty hybrid drive systems. Pumping down the volume The design evolution of low-noise spur and helical gear pumps. Tackling Tier 3 Both Cummins and Caterpillar choose the in-cylinder approach to reducing emissions. The telematics fix Diagnostics may be the key to keeping telematics viable and affordable. Complete and intelligent systems SAE 100 Future look: The future of mobile hydraulics can be seen today. Modern mobile hydraulics of today and tomorrow consists of complete system solutions with integrated electronics, which make off-highway machinery more efficient and, at the same time, reduce life-cycle costs. The next step in hydraulics and electronics SAE 100 Future Look: As we celebrate 100 years of SAE's contributions to our industry, it seems very appropriate to look forward at the next few years and assess where we will be.
Magazine

SAE Off-Highway Engineering 2001-09-01

2001-09-01
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?
Magazine

SAE Off-Highway Engineering 2000-10-01

2000-10-01
Designing a high-performance electrohydraulic actuator Researchers at the University of Saskatchewan and the University of Toronto adopted a new design strategy for development of a new high-performance acutation system. Off-highway, online The Big Three automakers made big news in February by announcing the formation of a single Internet portal for conducting business-to-business e-commerce. Although no such B2B megasite yet exists for the off-highway industry, a number of separate Internet sites offer similar services to the agricultural and construction segments. Off-highway transient driving cycle Southwest Research Institute and the EPA teamed to determine the necessary emissions tests and certification cycles needed for off-highway engines. Benchmarks in tractor development Norm Swinford discussed the evolution of tractor technology at the 2000 SAE International Off-Highway & Powerplant Congress & Exposition in September.
Magazine

SAE Electronics + Connectivity 2012-11-28

2012-11-28
Integration opens the door Semiconductor suppliers are integrating many functions into power devices while also cutting power consumption in an environment, automotive doors, where 8-bit microcontrollers still hold sway.
Magazine

SAE Electronics + Connectivity 2012-09-05

2012-09-05
Securing IT in the sky Along with IT systems and communication links comes IT security as a new factor when evaluating and monitoring the operational risk that needs to be managed during the operation of the aircraft. Data collection made easy Heavy vehicle makers, telematics providers strive to add more features while simplifying startup.
Magazine

SAE Electronics + Connectivity 2012-03-01

2012-03-01
On the cusp of connected cars An auto consortium is set to put the wireless V2X safety network to the test with 120 cars in the Frankfurt region. Thinking long and hard about heavy-duty telematics A study of the factors that should be considered by a vehicle OEM when implementing a telematics solution in heavy on- and off-highway mobile equipment markets.
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