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  • Jeffrey Maddalon

    Jeff is a research engineer at NASA's Langley Research Center. His research involves the formal verification of both safety and correctness properties for complex computerized systems with special emphasis on air traffic management systems and unmanned air vehicles. In the past he has worked on fault-tolerant computer systems (SPIDER). He received a bachelor's of science degree in computer engineering from * Virginia Tech and a master's of science degree in computer science from the * College of William and Mary.

    Email: J.M.Maddalon@NASA.GOV Profile: *LinkedIn

    Publications:

    1. Ricky W. Butler, George Hagen, and Jeffrey M. Maddalon The Chorus Conflict and Loss of Separation Resolution Algorithms.NASA Technical Memorandum 218030. August 2013.
    2. Jeffrey M. Maddalon, Kelly J. Hayhurst, Daniel M. Koppen, Jason M. Upchurch, A. Terry Morris; and Harry A. Verstynen. Perspectives on Unmanned Aircraft Classification for Civil Airworthiness Standards. NASA Technical Memorandum 217969. February 2013.
    3. Ricky Butler, George Hagen, Jeffrey Maddalon, César Muñoz, and Anthony Narkawicz, The search for effective algorithms for recovery from loss of separation, Proceedings of the 31st Digital Avionics Systems Conference (DASC 2012), Williamsburg, Virginia, 2012.
    4. Anthony Narkawicz, César Muñoz, and Jeffrey Maddalon, A Mathematical Analysis of Air Traffic Priority Rules, Proceedings of the 12th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference, AIAA-2012-5544, Indianapolis, Indiana, 2012.
    5. Hagen, G. E.; Butler, R. W.; and Maddalon, J. M.: Stratway: A Modular Approach to Strategic Conflict Resolution. Presented at 11th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference, September 20-22, 2011, Virginia Beach, Virginia.
    6. César Muñoz, Ricky Butler, Anthony Narkawicz, Jeffrey Maddalon, and George Hagen, A Criteria Standard for Conflict Resolution: A Vision for Guaranteeing the Safety of Self-Separation in NextGen, Technical Memorandum, NASA/TM-2010-216862, October 2010.
    7. Ricky Butler, George Hagen, Jeffrey Maddalon, César Muñoz, Anthony Narkawicz, and Gilles Dowek, How Formal Methods Impels Discovery: A Short History of an Air Traffic Management Project, Technical Memorandum, NASA/CP-2010-216215, April 2010.
    8. Jeffrey Maddalon, Ricky Butler, Cesar Munoz, Gilles Dowek.  A Mathematical Analysis of Conflict Prevention Information.   Presented at the 9th Aviation Technology, Integration, and Operations Conference (ATIO), AIAA-2009-6907. Sept 21st, 2009, Hilton Head, SC.  PDF
    9. Jeffrey Maddalon, Ricky Butler, Cesar Munoz, Gilles Dowek. A Mathematical Basis for the Safety Analysis of Conflict Prevention Algorithms. NASA Technical Memorandum (TM-2009-215768), June 2009.  PDF
    10. Kelly J. Hayhurst, Jeffrey M. Maddalon, Paul S. Miner, George N. Szatkowski, Michael L. Ulrey, Michael P. DeWalt, Cary R. Spitzer.  Preliminary Considerations for Classifying hazards of Unmanned Aircraft Systems..   NASA Technical Memorandum (TM-2007-214539), February 2007.  PDF
    11. Kelly J. Hayhurst, Jeffrey Maddalon, Paul Miner, Michael DeWalt, Frank McCormick.  Unmanned Aircraft Hazards and Their Implications for Regulation.   25th Digital Avonics Systems Conference (DASC). 2006.  PDF
    12. Paul Miner, Alfons Geser, Lee Pike, and Jeffrey Maddalon. A unified fault-tolerance protocol. In Yassine Lakhnech and Sergio Yovine, editors, Formal Techniques, Modeling and Analysis of Timed and Fault-Tolerant Systems (FORMATS-FTRTFT), volume 3253 of Lecture Notes in Computer Science, pages 167--182. Springer, 2004. PDF
    13. Lee Pike, Jeffrey Maddalon, Paul Miner, and Alfons Geser. Abstractions for fault-tolerant distributed system verification. In Konrad Slind, Annette Bunker, and Ganesh Gopalakrishnan, editors, Theorem Proving in Higher Order Logics (TPHOLs), volume 3223 of Lecture Notes in Computer Science, pages 257--270. Springer, 2004. PDF
    14. Jeffrey Maddalon, Alfons Geser, and César Muñoz, Ricky Butler. Formal Verification of a Conflict Resolution and Recovery Algorithm NASA Technical Paper 213015. 2004. PDF
    15. Ricky Butler, Alfons Geser, Jeffrey Maddalon, and César Muñoz. Formal Analysis of Air Traffic Management Systems: The Case of Conflict Resolution and Recovery, Proceedings of Winter Simulation Conference (WSC'03), 2003. PDF
    16. Jeffrey M. Maddalon, Paul S. Miner.  An Architectural Concept for Intrusion Tolerance in Air Traffic Networks.  Integrated Communication Navigation and Surveilence (ICNS), Annapolis, Maryland, 2003.  PDF
    17. Jeffrey M. Maddalon, Stephen Derry.  Data Management in the ASSET Simulation Framework.   AIAA-2000-4500. AIAA Modelling and Simulation Conference, Denver, August 2000.
    18. Stephen Derry, Jeffrey M. Maddalon.  Implementing Dynamic System Models in the ASSET Simulation Framework.   AIAA-2000-4393. AIAA Modelling and Simulation Conference, Denver, August 2000.
    19. Jeffrey M. Maddalon and Jeff I. Cleveland II, A Study of Workstation Computational Performance for Real-Time Flight Simulation , NASA TM-109184, February 1995, pp. 8, (25KB). PDF

     

       
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    Contact

    Safety Critical Avionics Systems Branch
    NASA Langley Research Center
    Mail Stop 130
    Hampton, VA 23681-2199, USA


    j.m.maddalon@nasa.gov
    Phone: +1 (757) 864 8350
    Fax: +1 (757) 864 4234