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UC Berkeley and Stanford University Collaborations Support UTM
October 1, 2015

On September 22, 2015, Professor Claire Tomlin from UC Berkeley and Professor Mykel Kochenderfer from Stanford University updated the Aviation Systems Division's University Affiliated Research Center (UARC) staff on their separation-assurance work supporting the Unmanned Aerial Systems (UAS) Traffic Management (UTM) subproject. The Stanford team implemented three variants of a coordination-based conflict resolution algorithm with solution times in the milliseconds, for real-time application that can be used in a distributed system for conflict avoidance. The UC Berkeley team devised an algorithm for the safe platooning of unmanned aerial vehicles (UAVs) via reachability sets. Both professors will visit Ames Research Center on October 1 to have further discussions with researchers from the Human Systems Integration Division Airspace Operations Laboratory (AOL) about integrating these algorithms into UTM tools being developed and used at Ames. (POC: Bassam Musaffar)

Aviation Systems Division hosts FAA's Environment and Energy Visitors
October 1, 2015

The Aviation Systems Division hosted two members from the Federal Aviation Administration (FAA) Environmental Policy and Operations Division, from the Office of Environment and Energy, Mr. Stephen Merlin and Mr. Chris Dorbian, on September 22, 2015. The FAA visitors were given overviews and tours of many of the Division's technologies and facilities, including Airport Surface Research in a demonstration at FutureFlight Central, Terminal Sequencing and Spacing (TSAS), Dynamic Weather Routes, Unmanned Aerial Systems in the National Airspace System (UAS/NAS), and air traffic management environmental research led by the Ames Senior Scientist for Air Transportation Research, Dr. Banavar Sridhar. The FAA visitors, who also presented their work in the FAA Environment Office, were appreciative of the discussions and demonstrations, and hopeful for future collaboration opportunities. (POC: Sandy Lozito)

Optimized Route Capability (ORC) Workshop at Ames
October 1, 2015

On September 23-24, 2015, the Division hosted visitors from the Federal Aviation Administration's (FAA's) William J. Hughes Technical Center (WJHTC) to coordinate efforts leading up to the completion of the first phase of Optimized Route Capability (ORC) development. ORC is an FAA/NASA collaboration developing Traffic Management Unit decision support for intelligent arrival meter fix offloading. At many airports, including Houston Intercontinental (IAH), the arrival gates or meter fixes serve as the major bottlenecks for arrival traffic, rather than the runways. NASA is developing an algorithm to identify projected periods of meter fix overload and suggest individual flight reroutes to alternate meter fixes. The algorithm monitors estimated time-based flow management (TBFM) arrival scheduling delay at meter fixes on a large planning horizon (up to 2 hours from the meter fix). Excessive estimated delay triggers the algorithm to search for suitable flights (both airborne and pre-departure) to reroute to an alternate meter fix at minimal cost. In most cases the reroute is expected to reduce the meter fix delay with minimal increase to flight distance. NASA is evaluating the potential inclusion of ORC in NASA's Airspace Technology Demonstration 3 (ATD-3) project. During the workshop, the FAA and NASA discussed how they might jointly collaborate moving forward, and specifically the baseline evaluation scheduled for completion in March 2016. (POC: Shannon Zelinski)

NRA First-Year Review of “Intent-Based Data Mining for Identifying and Classifying Conflict Detection and Resolution from Historical Aircraft Track Data”
October 1, 2015

On September 25, 2015 researchers from Optimal Synthesis Inc. and Purdue University presented their progress in the first year of a three year NASA Research Announcement (NRA) designed to identify and classify controller intervention in historical aircraft track data. Starting with simulated track data, the team was able to identify when aircraft were maneuvered by a conflict resolution system and to identify the type of resolution executed. The research will now turn to identifying maneuver in real aircraft track data, and these identified maneuvers will provide a dataset to learn situation-based behaviors of controllers. The goal of this research is to inform development of advanced controller tools for conflict resolution such that these tools suggest resolutions that conform to a controller's general preferences where possible. (POC: Todd Lauderdale)

NASA Ames Hosts Second Technical Interchange Meeting on Surface Collaborative Decision Making
October 1, 2015

NASA Ames Research Center hosted the second Technical Interchange Meeting (TIM) on the Federal Aviation Administration's (FAA's) Surface Collaborative Decision Making (S-CDM) prototype software system, as part of the Airspace Technology Demonstration-2 (ATD-2) project on September 22-23, 2015. A team of six engineers from Metron Aviation provided in-depth briefings on the prototype departure metering system they developed to support the FAA's S-CDM concept engineering effort. The FAA and NASA are collaborating to demonstrate departure metering consistent with the S-CDM Concept of Operations as part of the larger ATD-2 demonstration at Charlotte-Douglas International Airport (Charlotte, North Carolina). Managers from Volpe and the FAA joined over 25 NASA and contractor personnel working on ATD-2, and were briefed on the S-CDM concept, software design, and current software status. By the end of the second day, the NASA Ames team successfully built and ran the S-CDM software in the Ames air traffic management (ATM) Verification and Validation lab, natively in the Ames environment. This capability will now enable the ATD-2 team to execute simulation scenarios, interact with the software, and modify the source code for ATD-2 needs. Further collaboration with Metron is expected. The two-day meeting resulted in very successful information exchange. (POC: Michelle Eshow)

NRA First-Year Review of “Accelerating ATM into the Cloud”
October 1, 2015

The Mosaic ATM / Harris Corporation team presented a review of their NASA Research Announcement (NRA) first year's work and second year plans on accelerating air traffic management (ATM) into the cloud. The review, on September 22, 2015, was attended by research staff from both Ames and Langley Research Centers. During the first year, the teams investigated cloud-computing applications for ATM and the acceleration of such applications. Their work included four main activities: identification of the challenges that confront National Airspace System (NAS) modernization, in general; a survey of case studies of how cloud computing has been successfully adopted in other industries; and identification and evaluation of five candidate ATM cloud-enhanced business model concepts, including their potential costs and benefits. For the second year effort, the team will select, in consultation with NASA, one or more of the following concepts for eventual prototype development: data warehouse, electronic flight bag, simulation tool, and traffic flow management (TFM) as a service. (POC: William N. Chan)

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