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HIGHLIGHTS ARCHIVE
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Initial International Collaborations Workshops on Route Optimization with Environmental Impacts and Surface Research
December 27, 2012

Dr. Banavar Sridhar, Dr. Yoon Jung, and Mr. Ty Hoang attended two workshops to kick-off recently signed international collaboration agreements between NASA and the German Aerospace Center (Deutschen Zentrums für Luft- und Raumfahrt, DLR) and the National Aerospace Laboratory of the Netherlands (Nationaal Lucht en Ruimtevaartlaboratorium, NLR), December 3-6, 2012. The first workshop, hosted by DLR's Institute of Flight Guidance in Braunschweig, Germany, included participants from DLR research centers in Braunschweig, Hamburg, Cologne, and Oberpfaffenhofen, who shared their expertise in generating the impact of aviation emissions and contrails as a function of space and time. NASA shared its knowledge in generating trajectories to minimize environmental cost functions. Methodologies were discussed for selecting and sharing suitable data needed to generate the computationally intensive environmental cost functions, and providing details about the traffic and weather information exchange needed to cover US, Europe and transatlantic airspace. Researchers from the two organizations also discussed simulation tools for global air traffic, climate impact, trajectory optimization, and relevant surface traffic management technologies and refined the already signed three-year collaboration agreement. The surface work is now planned to create a common integrated concept of departure management and taxi management on the airport surface, model DLR's time-based taxi scheduler at a US airport, integrate with NASA's surface movement optimization algorithm, and perform fast-time simulations using NASA's fast-time surface simulation tool.

The NASA team attended the second workshop at NLR to explore a promising collaboration in surface conflict detection that complements current NASA research efforts in the airport surface domain. The joint NASA-NLR effort will focus on testing NLR's taxiway movement conflict detection technology, with the potential to later integrate this technology with NASA's surface movement optimization algorithm.

POC – Dr. Banavar Sridhar, Dr. Yoon Jung, Ty Hoang


PDRC Block 2 Field Evaluation Progress and Delivery of Updated Research Management Plan on TRACON Departure Scheduling
December 27, 2012

Photos of the inside of the DFW air traffic control tower and the en route control facility.
PDRC studies at DFW tower and Fort Worth en route control facility (Click image to enlarge)

NASA researchers continued the second phase of the Precision Departure Release Capability (PDRC) field evaluation, which began November 5, 2012 at Fort Worth Center; during the week of December 19, 2012, the team completed scheduling the 34th flight towards a target of 100 flights. Initial results presented at an interim status meeting show that system performance metrics are generally consistent with the data collected during the first phase field evaluation from May-July 2012. Feedback from traffic management coordinators continues to be very positive. On December 14, 2012, the PDRC-Integrated Arrival-Departure-Surface (IADS) team also delivered an update to the research management plan submitted to the FAA. The plan now includes an expansion of the PDRC TRACON Departure Scheduling concept to address a wider range of traffic management initiatives and accommodate traffic from smaller/lesser-equipped airports.

POC – Shawn Engelland


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