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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

SEP 2012 AUTOMOTIVE DESIGN

2012-09-25
Walking the torque A system that fills in the torque gap of a turbocharged diesel engine, allowing a smaller power unit to punch well above its size, without the dreaded 'lag'-that has to be a winner, surely. So a decade later, why has it yet to come to market? Ian Adcock ponders the reasons Tipping the scales The original Range Rover revolutionised the automotive industry when it was launched. Some 42 years later, the latest version looks very much set to do the same as Ian Adcock reports Can computers take control safely? In the name of improved safety, some favour a future where automation takes charge of a fast-moving vehicle. The more cautious support advanced systems that simply warn drivers of potential problems. Who will win out? Chris Edwards reports
Magazine

SEP 2011 AUTOMOTIVE DESIGN

2011-09-30
Spotlight on Sanjay Ravi Mark Fletcher discovers how The Cloud can help the automotive industry Powering Aspirations Ian Adcock reviews technologies at this year's Frankfurt motor show Stop-Start Breakthrough Kami Buchholz reports on an innovative Schaeffler stop-start for automatics
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: August 12, 2014

2014-08-12
A new Formula for racing The new Formula E series' electric racecars are intended to pioneer new technology for broader use in production, encouraging fans to think differently about the technologies they use. Production of satellite with first all-electric propulsion system advances Electric propulsion has been limited so far to small movements of the satellites once it is in its geostationary orbit. The Boeing 702SP innovation is its use of electric propulsion to raise the satellite from its launch-vehicle drop-off point to geostationary orbit. Using CAE to assess whining noise of electric powertrains To develop an electric powertrain with a minimum noise level and minimized whining it is necessary to have accurate CAE simulation and precise criteria to assess whining noise.
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 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 2011-02-23

2011-02-23
Bringing the Leaf to life Chief Engineer Hidetoshi Kadota leveraged 20-plus years of electrification experience in the development of Nissan's new EV. Making a mass-market EV Nissan's Director of Product Planning and Advanced Technology Strategy details the leaf's journey from concept to production. Power from within A new motor and inverter system have been developed simultaneously as the dedicated electric powertrain of the Nissan EV. Staying within range The Leaf comes standard with many features designed to help ease fears of running out of "juice."
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: October 2023

2023-10-12
Fuel cells ready for commercial deployment GM Hydrotec boss says hydrogen fuel cells now are a viable zero-emissions choice for work trucks, other transportation modes. Battery chemistries for construction EVs NMC and LFP lithium-ion batteries find favor in different regions as OEMs move to electrify larger excavators and loaders. Betting big on LFP battery cells for electric CVs Accelera by Cummins, Daimler Truck and Paccar collaborate to establish a 21-GWh dedicated factory in the U.S. with technology partner EVE Energy.
Magazine

SAE Truck & Off-Highway Engineering: October 2022

2022-10-06
eAxles gain traction OEMs are developing and testing axles with integrated electric powertrains to electrify trucks of all sizes. Securing CAN networks in commercial vehicles A CAN transceiver with built-in security functions can avoid the complexity of end-to-end security solutions that are especially hard to implement on CVs. Electrification is the future for defense vehicles Despite infrastructure challenges, electrified and automated military vehicles will save fuel and lives, said Allison's VP of Defense Programs at SAE COMVEC 2022. Editorial Hiring talent to meet high-tech demands Allison's now open for hydrogen testing Electrification's impact on commercial-vehicle chassis design Harbinger prepares to enter commercial market with novel eAxle ZF, Freudenberg developing integrated 'Powerpack' fuel cell and e-drive Freightliner's medium-duty makeover for M2 and SD models Toyota's hydrogen fuel-cell powertrain provides an electrifying ride
Magazine

SAE Truck & Off-Highway Engineering: October 2021

2021-10-07
Defending the heavy-vehicle cyber domain Cybersecurity experts explained at SAE COMVEC 2021 how they're preparing the next generation of thwarters to protect increasingly electrified, connected and automated trucks. Digitalization of product engineering ESI proposes "sustainable" product development via virtual prototyping to ensure operational safety and comfort for off-highway machines. Developing a next-gen VGT Engineers from Mitsubishi Heavy Industries refine the design of a variable geometry turbocharger for commercial vehicles. Editorial Insightful comments from COMVEC Lidar lets Vermeer automate baling processes Extending a Wankel future on hydrogen fuel Next-gen HMI crucial for ADAS efficacy Altair honors weight-saving innovations A bevy of battery and fuel-cell electric truck reveals Q&A Dr. Philip Stephenson, general manager of the PACCAR Technical Center, hones in on the potential efficacy of E-fuels, commercial-vehicle battery-swapping.
Magazine

SAE Truck & Off-Highway Engineering: October 2019

2019-10-03
On the verge of the Digital Age Increasingly connected electrohydraulic systems and machine controls allow the high degree of controllability that's essential for automated operations. Miserly power systems Engineers push engine, transmission technologies to turn off fuel usage. All options on the table Powertrain developers who spoke at SAE COMVEC are leaving no stone unturned in their quest to trim emissions. Cab air quality: A critical component of operator comfort Focus on defining cab air quality, measuring it, and designing the needed performance into cabin designs and HVAC systems is intensifying. Expanding fast charging faster Tritium works to accelerate installation of DC fast-charging infrastructure to keep up with growing demand for commercial EVs.
Magazine

SAE Truck & Off-Highway Engineering: October 2018

2018-10-01
Are higher voltage architectures imminent? As the limitations of current 12V architectures become more apparent, the commercial vehicle industry could be on the verge of adopting 48V. The only question is, will improvements in other technologies offer something better? Sensing changes in autonomous trucks Requirements for sensors and controls for commercial vehicles differ significantly from those used for cars. Many paths lead to reduced emissions A wide range of ICE technologies are needed to meet increasingly stringent emissions regulations. Quotes from COMVEC 2018 Industry leaders spoke extensively about all things autonomous-ADAS, big data, connectivity, cybersecurity, machine learning-at the annual SAE event. Here's some of what they had to say. Fuel-cell Class 8-take 2.0 With a longer-range and more-refined fuel cell-powered heavy-duty truck, Toyota aims to eventually eliminate emissions from trucks serving increasingly congested California ports.
Magazine

SAE Truck & Off-Highway Engineering: October 2017

2017-10-01
Advances for off-highway engine design As manufacturers continue to drive out cost and meet a worldwide patchwork of regulatory frameworks, the tools for developing those engines are advancing. From showcase prototypes to advanced analytical techniques, suppliers are helping the cause. Military vehicles battle for autonomy at lower cost Engineers are adding sensors, more powerful micros and faster networks as they automate tasks and pave the way to autonomy. Heavy duty lightweighting Optimization of tractor-trailer systems and component design helps to reduce overall vehicle mass, a key strategy in improving fuel economy and meeting upcoming Phase 2 GHG regulations. Navistar's SuperTruck II explores composites, WiFi to cut weight Methane state of mind New Holland ramps up its focus on alternative fuels, showcasing a methane-powered concept tractor that trims emissions, operating costs.
Magazine

SAE Truck & Off-Highway Engineering: June 2023

2023-06-08
Volvo Trucks enters electrification's next phase With electric trucks already available, the OEM focuses on refining service and maintenance, expanding EV-certified dealerships and scaling production. Why agriculture will automate before on-highway Danfoss' top autonomy executive says automation will help overcome labor and technological challenges that would otherwise leave billions of dollars' worth of crops rotting in fields. Driver-in-the-loop for off-highway development Industrial and agricultural vehicle engineers can draw many of the same benefits from a driving simulator as passenger-car development teams.
Magazine

SAE Truck & Off-Highway Engineering: June 2022

2022-06-01
Paving the way for the hydrogen highway Experts at SAE WCX 2022 look beyond EVs to other systems that can garner net-zero capabilities. Electric mobile machines won't abandon hydraulics Bosch Rexroth executive stresses that electrification in off-highway applications must make optimum use of both next-gen electric and hydraulic technology. Aftermarket augments off-highway autonomous efforts Kontron and Intel experts explain how rugged, modular COM Express solutions reduce complexity and allow retrofit of autonomous systems on heavy mobile equipment. Solving the challenges of Megawatt chargers Littelfuse executive details an alternative technique for fast and efficient high-power charging of commercial electric vehicles. Supplier Directory Complete listing of industry suppliers categorized by technology area.
Magazine

SAE Truck & Off-Highway Engineering: June 2021

2021-06-01
No shortage of challenges Supply chain struggles join perennial challenges for Cummins' off-highway business, namely meeting shifting global emissions standards and satisfying emerging technology trends. Batteries not the only route to EV efficiency Allison CTO stresses efficiency and safety of propulsion units also are critical to reducing cost, improving performance and ultimately winning over customers. Batteries go underground A Saft expert evaluates various Li-ion chemistries and strategies - battery swapping vs. fast charging - for electric mining vehicles. Platooning: an evolving pathway to full autonomy Human-guided convoys can provide real-world benefits sooner than individual driverless trucks, but safety and operational issues still need to be resolved to optimize platoon configurations. Supplier Directory Complete listing of industry suppliers categorized by technology area.
Magazine

SAE Truck & Off-Highway Engineering: June 2020

2020-06-01
Embedded systems help drive autonomy forward Kontron provides high-end knowledge for image processing, analysis with fewer control modules. Open approach to propulsion Deutz CEO sees combination of sustainable-fuel combustion engines and electric drive systems powering the off-highway market. Increasing connectivity, leveraging intelligence Parker Hannifin expert discusses IoT for mobile equipment and moving beyond standard telematics by integrating systems controllers and smart components. Cummins, Tula test 'dynamic' cylinder deactivation Tula's Dynamic Skip Fire technology already used in light-duty gasoline engines shows potential in heavy-duty diesels to significantly reduce NOx emissions. Supplier Directory Complete listing of industry suppliers categorized by technology area.
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