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Technique Controls Autonomous Vehicles in Extreme Conditions

Georgia Tech researchers are using an electric-powered autonomous vehicle to help driverless vehicles maintain control at the edge of their handling limits. (Photo: Rob Felt) Researchers have devised a novel way to help keep a driverless vehicle under control as it maneuvers at the edge of its handling limits. The new technology is being tested by racing, sliding, and jumping one-fifth-scale, fully autonomous auto-rally cars at the equivalent of 90 mph. The technique – model predictive path integral control (MPPI) – was developed to address the nonlinear dynamics involved in controlling a vehicle near its friction limits.

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Technical Webinar Series from the Editors of SAE: Intelligent Machine Control

In conjunction with SAE As it continues to get harder and harder to find skilled off-highway equipment operators, and equipment is tasked to do more and more, engineers have stepped up to the challenge by designing system solutions that not only think for themselves but also enable streamlined operation that contributes to 24/7 productivity.

Posted in: On-Demand Webinars

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TGDI Technology and Higher Performing Lubricants

Industry experts offer insight into one of the passenger car industry’s most impactful powertrain strategies: turbocharged gasoline direct injection (TGDI) technology. The global demand for TGDI engines is increasing as emission regulations become more stringent, consumer expectations for vehicle performance shift, and industry demand for fuel economy grows. In this 60-minute Webinar, experts from the University of Michigan Transportation Research Institute, Honeywell Transportation Systems – Turbo Technologies, Southwest Research Institute, and Lubrizol Additives discuss TGDI technology and advanced lubricants that enable fuel efficiency, performance, and durability. An audience Q&A follows the technical presentations.

Posted in: On-Demand Webinars

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Joe Munchak, Research Meteorologist, Goddard Space Flight Center, Greenbelt, Maryland

Joe Munchak, Research Meteorologist, Goddard Space Flight Center, Greenbelt, Maryland Using the Global Precipitation Measurement (GPM) Core Observatory satellite, launched in 2014, NASA and Japan Aerospace Exploration Agency researchers have taken the first 3D images of raindrops and snowflakes. The GPM snapshots will help research meteorologist Joe Munchak determine precipitation rates and support the improvement of weather models.

Posted in: Who's Who

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Predict Internal-Combustion Engine Performance and Emissions with Confidence

In conjunction with SAE Designing new high-efficiency, low-emissions IC engines presents technical challenges that are often dominated by the chemical kinetics that occur during combustion. Consequently, simulations of combustion for enhanced engine designs need accurate fuel-combustion chemistry and combustion models.

Posted in: On-Demand Webinars

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System Makes Airport Surface Traffic More Efficient

Researchers are attempting to improve the control tower software system using mathematics and optimization techniques. (Photo: ThinkStock) Researchers have developed an optimization system that identifies the optimal timing and taxiing sequences for runway use by a given aircraft. It plans detailed taxiing routes, recommends new routes automatically, and responds to a continuous stream of updated information. The model takes into account the basic rules and physical restrictions that apply at all airports, such as safety zones around turning aircraft and one-way taxiing routes.

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NASA Tests Technologies to Increase Drone Uses

Photo: NASA/David C. Bowman NASA researchers and drone industry representatives foresee a day when small unmanned aircraft systems (UAS) are used in wildfire spotting, precision agriculture, wildlife monitoring, and small package delivery.

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