Douglas E. Humphreys

Douglas E. Humphreys, Kenneth W. Watkinson, Phil Caramanica; Use of the navy's Large Scale Vehicle Kokanee (LSV 1) to investigate near-surface effects on maneuvering characteristics, Proceedings of the 11th International Symposium on Unmanned Untethered Submersible Technology, vol. 11, pp. 203 - 210, August 1999.

Douglas E. Humphreys; Correlation of VCT maneuvering model with FAU Ocean Explorer in-water test data, Proceedings of the Tenth International Symposium on Unmanned Untethered Submersible Technology, vol. 10, pp. 272 - 278, September 1997.

Kenneth W. Watkinson, Douglas E. Humphreys, Neill S. Smith; UUV controllability at transition speeds: Thruster and fin control authority requirements, Proceedings of the Ninth International Symposium on Unmanned Untethered Submersible Technology, vol. 9, p. 97, September 1995.

Douglas E. Humphreys; Improvement of the low-speed control authority of an AUV through hull shaping, Proceedings of 1994 Symposium on Autonomous Underwater Vehicle Technology, pp. 434 - 438, July 1994.

D. E. Humphreys, K. W. Watkinson; Hydrodynamic control tradeoffs between fully movable and flapped control surfaces, Proceedings of the Eighth International Symposium on Unmanned Untethered Submersible Technology, vol. 8, pp. 312 - 318, September 1993.

D. E. Humphreys, K. W. Watkinson; The impact of open-loop vehicle stability on closed-loop control system performance: An analysis of four AUV concepts, Proceedings of IEEE OCEANS'92 Conference, pp. 533 - 538, October 1992.

Douglas E. Humphreys, Neill S. Smith; Hydrodynamics and control of a streamlined UUV operating at 180-degree angle of attack, Proceedings of the Seventh International Symposium on Unmanned Untethered Submersible Technology, vol. 7, pp. 171 - 190, September 1991.

David Hollingsworth, Steve Jameson, Ken Whitebread, Doug Humphreys; Constrained model-based reasoning for unexpected event handling in an AUV, Proceedings of the Seventh International Symposium on Unmanned Untethered Submersible Technology, vol. 7, pp. 454 - 465, September 1991.

Michael J. Ruth, Douglas E. Humphreys; A robust depth and speed control system for a low-speed undersea vehicle, Proceedings of 1990 Symposium on Autonomous Underwater Vehicle Technology, pp. 51 - 58, June 1990.

Douglas E. Humphreys; The impact of speed-varying hydrodynamic coefficients on UUV maneuvering performance, Proceedings of the Sixth International Symposium on Unmanned Untethered Submersible Technology, vol. 6, pp. 548 - 553, June 1989.

Douglas E. Humphreys; Actuation requirements for autonomous underwater vehicles, Proceedings of the Fifth International Symposium on Unmanned Untethered Submersible Technology, vol. 5, pp. 399 - 412, June 1987.

Douglas E. Humphreys, Kenneth W. Watkinson; Use of a six-degree-of-freedom simulation model as a diagnostic tool for interpreting field test data: Determination of open-loop stability and center-of-gravity variations, Proceedings of the Fourth International Symposium on Unmanned Untethered Submersible Technology, vol. 4, pp. 70 - 96, June 1985.

Douglas E. Humphreys, Kenneth W. Watkinson; Effects of fin asymmetry on the dynamic response of a representative untethered submersible, Proceedings of the Third International Symposium on Unmanned Untethered Submersible Technology, vol. 3, pp. 132 - 149, June 1983.

Douglas E. Humphreys; Dynamics and Hydrodynamics of Ocean Vehicles, Proceedings of MTS/IEEE OCEANS'81 Conference, pp. 88 - 91, September 1981.

Douglas E. Humphreys, Kenneth W. Watkinson; Methods for estimating vehicle transfer functions requiring only the geometric and inertia characteristics, OCEANS'72 --- IEEE International Conference on Engineering in the Ocean Environment, pp. 220 - 223, September 1972.