Online Safety Calculations for Glideslope Recapture
Jonathan Sprinkle, Aaron Ames, J. Mikael Eklund, Ian Mitchell, Shankar Sastry

Citation
Jonathan Sprinkle, Aaron Ames, J. Mikael Eklund, Ian Mitchell, Shankar Sastry. "Online Safety Calculations for Glideslope Recapture". Innovations in Systems and Software Engineering, 1(2):157-175, September 2005; This was an invited paper, and was published without peer review.

Abstract
As unmanned aerial vehicles (UAVs) increase in popularity and usage, an appropriate increase in confidence in their behavior is expected. This research addresses a particular portion of the flight of an aircraft (whether autonomous, unmanned, or manned): specifically, the recapture of the glide slope after a wave-off maneuver during landing. While this situation is rare in commercial aircraft, its applicability toward unmanned aircraft has been limited due to the complexity of the calculations of safety of the maneuvers. In this paper, we present several control laws for this glide-slope recapture, and inferences into their convergence to the glide slope, as well as reachability calculations which show their guaranteed safety. We also present a methodology which theoretically allows us to apply these offline-computed safety data to all kinds of unmanned fixed-wing aerial vehicles while online, permitting the use of the controllers to reduce wait times during landing. Finally, we detail the live aircraft application demonstration which was done to show feasibility of the controller, and give the results of offline simulations which show the correctness of online decisions at that demonstration.

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• HTML

  Jonathan Sprinkle, Aaron Ames, J. Mikael Eklund, Ian
  Mitchell, Shankar Sastry. <a
  href="http://chess.eecs.berkeley.edu/pubs/40.html"
  >Online Safety Calculations for Glideslope
  Recapture</a>, <i>Innovations in Systems and
  Software Engineering</i>, 1(2):157-175, September
  2005; This was an invited paper, and was published without
  peer review.

• Plain text

  Jonathan Sprinkle, Aaron Ames, J. Mikael Eklund, Ian
  Mitchell, Shankar Sastry. "Online Safety Calculations
  for Glideslope Recapture". <i>Innovations in
  Systems and Software Engineering</i>, 1(2):157-175,
  September 2005; This was an invited paper, and was published
  without peer review.

• BibTeX

  @article{SprinkleAmesEklundMitchellSastry05_OnlineSafetyCalculationsForGlideslopeRecapture,
      author = {Jonathan Sprinkle and Aaron Ames and J. Mikael
                Eklund and Ian Mitchell and Shankar Sastry},
      title = {Online Safety Calculations for Glideslope Recapture},
      journal = {Innovations in Systems and Software Engineering},
      volume = {1},
      number = {2},
      pages = {157-175},
      month = {September},
      year = {2005},
      note = {This was an invited paper, and was published
                without peer review.},
      abstract = {As unmanned aerial vehicles (UAVs) increase in
                popularity and usage, an appropriate increase in
                confidence in their behavior is expected. This
                research addresses a particular portion of the
                flight of an aircraft (whether autonomous,
                unmanned, or manned): specifically, the recapture
                of the glide slope after a wave-off maneuver
                during landing. While this situation is rare in
                commercial aircraft, its applicability toward
                unmanned aircraft has been limited due to the
                complexity of the calculations of safety of the
                maneuvers. In this paper, we present several
                control laws for this glide-slope recapture, and
                inferences into their convergence to the glide
                slope, as well as reachability calculations which
                show their guaranteed safety. We also present a
                methodology which theoretically allows us to apply
                these offline-computed safety data to all kinds of
                unmanned fixed-wing aerial vehicles while online,
                permitting the use of the controllers to reduce
                wait times during landing. Finally, we detail the
                live aircraft application demonstration which was
                done to show feasibility of the controller, and
                give the results of offline simulations which show
                the correctness of online decisions at that
                demonstration.},
      URL = {http://chess.eecs.berkeley.edu/pubs/40.html}
  }
  

Posted by Jonathan Sprinkle on 1 May 2006.
Groups: chess chesslocal
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