Eric N. Johnson 

Lockheed Martin Associate Professor of Avionics Integration
School of Aerospace Engineering
Georgia Institute of Technology

Home   Classes    Biography    Publications    UAV Research Facility (UAV Lab)     Aerial Robotics

Publications

BOOKS:

1.            Stevens, B.L., Lewis, F.L., and Johnson, E.N., Aircraft Control and Simulation: Dynamics, Controls Design, and Autonomous Systems, 3rd Edition, Wiley, 2015. 

Aircraft Control and Simulation: Dynamics, Controls Design, and Autonomous Systems, 3rd Edition (1118870980) cover image

REFEREED JOURNAL PUBLICATIONS:

2.            De La Torre, G., Yucelen, T., and Johnson, E.N., “A New Model Reference Control Architecture: Stability, Performance, and Robustness,” International Journal of Robust and Nonlinear Control, 10.1002/rnc.3416, September 2015.

3.            De La Torre, G., Yucelen, T., and Johnson, E.N., “Bounded Hybrid Connectivity Control of Networked Multiagent Systems,” IEEE Transactions on Automatic Control, 10.1109/TAC.2014.2303247, September 2014.

4.            Yucelen, T., De La Torre, G., and Johnson, E.N., “Improving Transient Performance of Adaptive Control Architectures using Frequency Limited System Error Dynamics,” International Journal of Control, 10.1080/00207179.2014.922702, June 2014.

5.            Chowdhary, G.V., and Mühlegg, M., and Johnson, E.N., “Exponential Parameter and Tracking Error Convergence Guarantees for Adaptive Controllers without Persistency of Excitation,” International Journal of Control, 10.1080/00207179.2014.880128, May 2014.

6.            Johnson, E.N. and Mooney, J.G., “A Comparison of Automatic Nap-of-the-Earth Guidance Strategies for Helicopters,” Journal of Field Robotics, 10.1002/rob.21514, April 2014.

7.            Magree, D., Mooney, J.G., and Johnson, E.N., “Monocular Visual Mapping for Obstacle Avoidance on UAVs,” Journal of Intelligent and Robotic Systems, 10.1007/s10846-013-9967-7, January 2014.

8.            Shah, S.I.A., Wu, A.D., and Johnson, E.N., “A Real Time, Simple Light Detection Application for a Flying Robot in Extreme Noise and Interference,” IMECHE Journal of Aerospace Engineering, Sage Publications, UK, 10.1177/0954410013514508, December 2013.

9.            Shah, S.I.A., Johnson, E.N., Wu, A.D., and Watanabe, Y., “Single Sensor Based 3D Feature Point Location for a Small Flying Robot Application Using One Camera,” IMECHE Journal of Aerospace Engineering, Sage Publications, UK, 10.1177/0954410013500614, September 2013.

10.        Chowdhary, G.V., Johnson, E.N., Chandramohan, R., Kimbrell, S.M., Hur, J., and Calise, A.J., “Autonomous Guidance and Control of Airplanes under Actuator Failures and Severe Structural Damage,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 36, No. 4, pp. 1093-1104, 10.2514/1.58028, July/August 2013.

11.        Chowdhary, G.V., Johnson, E.N., Magree, D., Wu, A.D., and Shein, A., “GPS-Denied Indoor and Outdoor Monocular Vision Aided Navigation and Control of Unmanned Aircraft”, Journal of Field Robotics, Vol. 30, No. 3, May/June 2013.

12.        Wu, A.D., Johnson, E.N., Kaess, M., Dellaert, F., and Chowdhary, G., “Autonomous Flight in GPS-Denied Environments Using Monocular Vision and Inertial Sensors”, AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 10, No. 4, pp. 172-186, 10.2514/1.62832, April 2013.

13.        Yucelen, T. and Johnson, E.N., “Control of Multivehicle Systems in the Presence of Uncertain Dynamics,” International Journal of Control, DOI:10.1080/00207179.2013.790077, April 2013.

14.        Chowdhary, G.V., Sobers, D.M., Salaün, E., Ottander, J.A., and Johnson, E.N., “Fully Autonomous Indoor Flight Relying on Only Five Very Low-Cost Range Sensor,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 10: 21-31, 10.2514/1..52034, 2013.

15.        Yucelen, T. and Johnson, E.N., “A New Command Governor Architecture for Transient Response Shaping,” International Journal of Adaptive Control and Signal Processing, 10.1002/acs.2376, December 2012.

16.        Chowdhary, G.V., Sobers, D.M., Pravitra, C., Christmann, H.C., Wu, A.D., Hashimoto, H., Ong, C., Kalghatgi, R., and Johnson, E.N., “Self Contained Ranging Sensor Aided Autonomous Guidance, Navigation, and Control for Indoor Flight,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 35: 1843-1854, 10.2514/1.55410, 2012.

17.        Watts, R., Christmann, H.C., Johnson, E.N., Feigh, K., Tsiotras, P., “Development and Evaluation of an Automated Path Planning Aid,” AIAA Journal of Aircraft, Vol. 49, No. 6, pp. 1774-1785, November-December 2012.

18.        Kingravi, H.A., Chowdhary, G.V., Vela, P.A., and Johnson, E.N., “A Reproducing Kernel Hilbert Space Approach for the Online Update of Radial Bases in Neuro-Adaptive Control,” IEEE Transactions on Neural Networks, Vol. 23, No. 7, pp. 1130-1141, July 2012.

19.        Chowdhary, G.V., Yucelen, T., Mühlegg, M., and Johnson, E.N., “Concurrent Learning Adaptive Control of Linear Systems with Exponentially Convergent Bounds,” International Journal of Adaptive Control and Signal Processing, DOI: 10.1002/acs.2297, May 2012.

20.        Kannan, S.K. Johnson, E.N., Watanabe, Y., and Sattigeri, R., “Vision Based Tracking of Uncooperative Targets,” International Journal of Aerospace Engineering, Vol. 2011, Article ID 243268, 17 pages, 2011.  doi:10.1155/2011/243268.

21.        Chowdhary, G.V. and Johnson, E.N., “Theory and Flight Test Validation of a Long Term Learning Adaptive Flight Controller,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 34, No. 2, pp. 592-607, March-April 2011.

22.        Chowdhary, G.V., Srinivasan, S., and Johnson, E.N., “A Frequency Domain Method for Real-Time Detection of Oscillations,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 8, No. 2, pp. 42-52, February 2011.

23.        Anderson, R.T., Chowdhary, G.V., and Johnson, E.N., “Comparison of RBF and SHL Neural Network Based Adaptive Control,” Journal of Intelligent and Robotic Systems, Springer, Vol. 54, No. 3, pp. 183-199, March 2009.

24.        Ha, J., Johnson, E.N., and Tannenbaum, A.R., “Real-time Visual Tracking Using Geometric Active Contours and Particle Filters,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 5, No. 10, pp. 361-379, October 2008.

25.        Johnson, E.N., Turbe, M.A., Wu, A.D., Kannan, S.K., Neidhoefer, J.C., “Flight Test Results of Autonomous Fixed-Wing Transition to and from Stationary Hover,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 31, No. 2, pp. 358-370, March/April 2008.

26.        Neidhoefer, J.C., Gibson, C.S., Kunda, M., and Johnson, E.N., “Determinism in Autonomy for Applications to the National Aerospace System (NAS),” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 4, No. 11, pp. 1037-1045, November 2007.

27.        Johnson, E.N., Calise, A.J., Watanabe, Y., Ha, J., Neidhoefer, J.C., “Real-Time Vision-Based Relative Aircraft Navigation,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 4, No. 4, pp. 4, pp. 707-738, March 2007.

28.        Proctor, A.A., Johnson, E.N., and Apker, T.B., “Vision-only Control and Guidance for Aircraft,” Journal of Field Robotics, Vol. 23, No. 10, pp. 863-890, October 2006.

29.        Johnson, E.N. and Turbe, M.A., “Modeling, Control, and Flight Testing of a Small Ducted Fan Aircraft,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 29, No. 4, pp. 769-779 July/August 2006.

30.        Johnson, E.N., Calise, A.J., Mease, K.D., Corban, J.E., and Curry, M.D., “Adaptive Guidance and Control for Hypersonic Vehicles,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 23, No. 3, May/June 2006.

31.        Christophersen, H.B., Pickell, R.W., Neidhoefer, J.C., Koller, A.A., Kannan, S.K., and Johnson, E.N., “A Compact Guidance, Navigation, and Control System for Unmanned Aerial Vehicles,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 3, No. 5, pp. 187-213, May 2006.

32.        Ludington, B., Johnson, E.N., and Vachtsevanos, G.J., “Vision Systems for an Unmanned Helicopter,” IEEE Robotics and Automation Magazine, Vol. 13, No. 3, pp. 63-71, 2006.

33.        Wu, A.D., Johnson, E.N., and Proctor, A.A., “Vision-Aided Inertial Navigation for Flight Control,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 2, No. 9, pp. 348-360, September 2005.

34.        Johnson, E.N. and Kannan, S.K., “Adaptive Trajectory Control for Autonomous Helicopters,” AIAA Journal of Guidance, Control, and Dynamics Vol. 28, No. 3, pp. 524-538, May/June 2005.

35.        Johnson, E.N., Proctor, A.A., Ha, J., and Tannenbaum, A.R., “Visual Search Automation for Unmanned Aerial Vehicles,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 41, No. 1, pp. 219-232, January 2005.

36.        Johnson, E.N., Proctor, A.A., Ha, J., and Tannenbaum, A.R., “Development and Test of Highly Autonomous Unmanned Aerial Vehicles,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 1, No. 12, pp. 485-501, December 2004.

37.        Johnson, E.N. and Schrage, D.P., “System Integration and Operation of a Research Unmanned Aerial Vehicle,” AIAA Journal of Aerospace Computing, Information, and Communication, Vol. 1, No. 1, January 2004.

38.        Johnson, E.N. and Calise, A.J., “Limited Authority Adaptive Flight Control for Reusable Launch Vehicles,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 26, No. 6, pp. 906-913, 2003.

39.        Johnson, E.N., Davidson, J.B., and Murphy, P.C., Predicting the Effects of Unmodeled Dynamics on an Aircraft Flight Control System Design Using Eigenspace Assignment, NASA TM-4548, 1994.

REFEREED CONFERENCE PUBLICATIONS:

40.        Magree, D.P., van Dalen, G., Haviland, S.T., and Johnson, E.N., “Fully Autonomous Quadrotor with Absolute Vision-aided Navigation,” Proceedings of the IEEE International Conference on Unmanned Aircraft Systems (ICUAS), June 2015.

41.        Magree, D.P. and Johnson, E.N., “A Monocular Vision-aided Inertial Navigation System with Improved Numerical Stability,” Proceedings of the AIAA Guidance Navigation and Control Conference, January 2015.

42.        De La Torre, G., Yucelen, T., and Johnson, E.N., “Reference Control Architecture in the Presence of Measurement Noise and Actuator Dynamics,” Proceedings of the American Control Conference, June 2014.

43.        Magree, D.P. and Johnson, E.N., “Combined Laser and Vision-Aided Inertial Navigation for an Indoor Unmanned Aerial Vehicle,” Proceedings of the American Control Conference, June 2014.

44.        De La Torre, G., Yucelen, T., Johnson, E.N., Haddad, W.M., and Rajpurohit, T., “Frequency-Limited Adaptive Control of a Generic Transport Model in the Presence of Uncertainty in Control Effectiveness,” Proceedings of the AIAA Science and Technology Forum and Exposition, January 2014.

45.        Bershadsky, D., Dressel, L, and Johnson, E.N., “Situational and Terrain Awareness and Warning System Implementation on Android Smartphone for Manned Aviation Applications,” Proceedings of the AIAA Science and Technology Forum and Exposition, January 2014.

46.        De La Torre, G., Yucelen, T., and Johnson, E.N., “Reference Control Architecture in the Presence of Measurement Noise and Actuator Dynamics,” Proceedings of the IEEE Conference on Decision and Control, December 2013.

47.        De La Torre, G., Yucelen, T., and Johnson, E.N., “Hybrid Protocols for Maintaining Connectivity of Multiagent Systems,” Proceedings of the IEEE Conference on Decision and Control, December 2013.

48.        De La Torre, G., Yucelen, T., and Johnson, E.N., “Consensus Protocols for Networked Multiagent Systems with Relative Position and Neighboring Velocity Information,” Proceedings of the IEEE Conference on Decision and Control, December 2013.

49.        Yucelen, T., Haddad, W.M., and Johnson, E.N., “Consensus Protocols for Networked Multiagent Systems with a Uniformly Continuous Quasi-Resetting Architecture,” Proceedings of the IEEE Conference on Decision and Control, December 2013.

50.        Yucelen, T. and Johnson, E.N., “Artificial Basis Functions in Adaptive Control for Transient Performance Improvement,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013. (invited)

51.        Yucelen, T., Haddad, W.M., and Johnson, E.N., “Application of a Robust Adaptive Control Architecture to an Aeroelastic Generic Transport Model,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013. (invited)

52.        Yucelen, T., De La Torre, G., and Johnson, E.N., “Scalability in Adaptive Control,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013.  (invited)

53.        Yucelen, T., De La Torre, G., and Johnson, E.N., “Comparison of a New Frequency-limited Adaptive Control Architecture with Standard and State Predictor-Based Adaptive Controllers,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013.  (invited)

54.        Yucelen, T., De La Torre, G., Haddad, W.M., and Johnson, E.N., “Application of Robust Adaptive Control Architecture to a Spacecraft with Flexible Dynamics,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013.

55.        Scheper, K.Y.W., Chowdhary, G.V., and Johnson, E.N., “Aerodynamic System Identification of Fixed-wing UAV,” Proceedings of the AIAA Atmospheric Flight Mechanics Conference, August 2013.

56.        Schatz, S.P., Yucelen, T., Johnson, E.N., and Holzapfel, F., “Constraint Enforcement Methods for Command Governor-Based Adaptive Control of Uncertain Dynamical Systems,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013. (invited]

57.        Magree, D., Yucelen, T., and Johnson, E.N., “Improving Uniform Ultimate Boundedness Response of Neuroadaptive Control Approaches Using Command Governors,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013.  (invited]

58.        Magree, D. and Johnson, E.N., “Performance of a Monocular Vision-aided Inertial Navigation System for a Small UAV,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013.

59.        De La Torre, G., Yucelen, T., and Johnson, E.N., “Consensus of Networked Multiagent Systems in Cluttered and Hostile Environments,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013. 

60.        De La Torre, G., Johnson, E.N., and Yucelen, T., “Neuropredictive Control and Trajectory Generation for Slung Load System,” Proceedings of the AIAA Infotech@Aerospace Conference, August 2013. (invited)

61.        Bershadsky, D. and Johnson, E.N., “Indoor GPS-denied Context Based SLAM Aided Guidance for Autonomous Aerial Systems,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2013. (invited)

62.        Yucelen, T. and Johnson, E.N., “Consensus Protocols in Networked Multiagent Systems with Resetting,” Proceedings of the American Control Conference, June 2013.

63.        Yucelen, T. and Johnson, E.N., “A New Model Reference Control Architecture: Stability, Performance, and Robustness,” Proceedings of the American Control Conference, June 2013.

64.        De La Torre, G., Chowdhary, G.V., and Johnson, E.N., “Concurrent Learning Adaptive Control for Switched Systems,” Proceedings of the American Control Conference, June 2013.

65.        Magree, D. Mooney, J.G., and Johnson, E.N., “Monocular Visual Obstacle Avoidance and Mapping for UAVs,” Proceedings of International Conference on Unmanned Aircraft Systems, May 2013.

66.        De La Torre, G., Yucelen, T., and Johnson, E.N., “Constrained Formation Protocols for Networked Multiagent Systems,” Proceedings of International Conference on Unmanned Aircraft Systems, May 2013.

67.        Scheper, K., Magree, D., Yucelen, T., De La Torre, G., and Johnson, E.N. “Application of Frequency-Limited Adaptive Quadrocopter Control,” CEAS Conference on Guidance, Navigation and Control, April 2013.

68.        Schatz, S.P., Yucelen, T., and Johnson, E.N. “Constrained Adaptive Control with Transient and Steady-State Performance Guarantees,” CEAS Conference on Guidance, Navigation and Control, April 2013.

69.        Yucelen, T. and Johnson, E.N., “Design and Analysis of a Novel Command Governor Architecture for Shaping the Transient Response of Nonlinear Uncertain Dynamical Systems,” Proceedings of the IEEE Conference on Decision and Control, December 2012.

70.        Yucelen, T. and Johnson, E.N., “Cooperative Control of Uncertain Multivehicle Systems,” Proceedings of the IEEE Conference on Decision and Control, December 2012.

71.        Yucelen, T., and Johnson, E.N., “On Achieving Predictable Adaptive Control Response for Uncertain Dynamical Systems with Large Domains of Operation,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2012.

72.        De La Torre, G., Yucelen, T., and Johnson, E.N., “A New Model Reference Control Architecture for Uncertain Dynamical Systems,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2012.

73.        Muehlegg M., Chowdhary G., and Johnson E.N., “Concurrent Learning Adaptive Control of Linear Systems with Noisy Measurements,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2012.

74.        Magree, D., Yucelen, T., and Johnson, E.N., “Command Governor-Based Adaptive Control of an Autonomous Helicopter,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2012.

75.        Yucelen, T., and Johnson, E.N., “Command Governor-Based Adaptive Control,” Proceedings of the AIAA Guidance Navigation and Control Conference, August 2012.

76.        Pravitra, C., Chowdhary, G.V., Johnson, E.N., “A Compact Exploration Strategy for Indoor Flight Vehicle,” Proceedings of the IEEE Conference on Decision and Control, December 2011.

77.        Kingravi, H., Chowdhary, G., Vela, P.A., Johnson, E.N., “A Reproducing Kernel Hilbert Space Approach for the Online Update of Radial Bases in Neuro-Adaptive Control,” Proceedings of the IEEE Conference on Decision and Control, December 2011.

78.        Calise, A.J., Johnson, E.N., Yucelen, T., Chowdhary, G.V., “Recent Advances in Model Reference Adaptive Control: Theory and Applications,” Workshop, Proceedings of the IEEE Conference on Decision and Control, December 2011.

79.        Johnson, E.N., Chowdhary G.V., Chandramohan, R., and Calise, A.J., “UAV Flight Control Using Flow Control Actuators,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2011.

80.        Chowdhary, G.V., Sobers, D.M., Pravitra, C., Christmann, H.C., Wu. A.D., Hashimoto, H., Ong, C., Kalghatgi, R., and Johnson, E.N., “Integrated Guidance Navigation and Control for a Fully Autonomous Indoor UAS,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2011.

81.        Chowdhary, G.V. and Johnson, E.N., “Lyapunov-based Integration of a Data Recording Algorithm in Adaptive Control,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2011.

82.        Brown, A.X., and Johnson, E.N., “Modeling and Flight Testing of the Longitudinal Dynamics of An Inflatable Wing UAV,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2011.

83.        Chowdhary, G.V., Egersted, E., and Johnson, E.N., “Network Discovery: An Estimation Based Approach” Proceedings of the American Control Conference, best presentation of session award, 2011.

84.        Chowdhary, G.V. and Johnson, E.N., “A Singular Value Maximizing Data Recording Algorithm for Concurrent Learning,” Proceedings of the American Control Conference, best presentation of session award, 2011.

85.        Christmann, H.C. and Johnson, E.N. “Visibility Cues for Communication Aware Guidance in Cluttered Environments,” CEAS Conference on Guidance, Navigation and Control, April 2011.

86.        Chowdhary, G.V. and Johnson, E.N. “Adaptive Flight Control with Guaranteed Convergence,” CEAS Conference on Guidance, Navigation and Control, April 2011.

87.        Kannan, S.K. and Johnson, E.N., “Adaptive Control of Systems in Cascade with Saturation,” Proceedings of the IEEE Conference on Decision and Control, December 2010.

88.        Kannan, S.K. and Johnson, E.N., “Model Reference Adaptive Control with a Constrained Linear Reference Model,” Proceedings of the IEEE Conference on Decision and Control, December 2010.

89.        Chowdhary, G.V. and Johnson, E.N., “A Method for Convergence in Adaptive Control without Persistency of Excitation,” Proceedings of the IEEE Conference on Decision and Control, December 2010.

90.        Chowdhary, G.V. and Johnson, E.N., “Least Squares Based Modification for Adaptive Control,” Proceedings of the IEEE Conference on Decision and Control, December 2010.

91.        Sobers, D.M., Yamaura, S., and Johnson, E.N., “Laser-Aided Inertial Navigation for Self-Contained Autonomous Indoor Flight,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2010.

92.        Shah, S.I. and Johnson, E.N., “Motion Estimation for Obstacle Detection and Avoidance Using a Single Camera for UAVs/Robots,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2010.

93.        Chowdhary, G.V., Sobers, D.M., Salaun, E., Ottander, J., and Johnson, E.N., “Design, Development, and Testing of a Low Cost, Fully Autonomous, Indoor Unmanned Aerial System,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2010.

94.        Chowdhary, G.V. and Johnson, E.N., “Concurrent Learning for Improved Parameter Convergence in Adaptive Flight Control,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2010.

95.        Chowdhary, G.V., and Johnson, E.N., “Recursively Updated Least Squares Modification Term for Adaptive Control,” Proceedings of the American Control Conference, June 2010.

96.        Sobers, D.M. and Johnson, E.N., “Indoor Navigation for Unmanned Aerial Vehicles,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2009.

97.        Shah, S. and Johnson, E.N., “3D Obstacle Detection Using a Single Camera,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2009.

98.        Rooz, N., et. al., “Experience with Highly Autonomous Unmanned Aircraft Performing Complex  Missions,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2009.

99.        Johnson, E.N., Kimbrell, M.S., Chowdhary, G.V., and Calise, A.J., “A Process to Obtain Robustness Metrics for Adaptive Flight Controllers,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2009 (invited).

100.    DeBusk, W.M., Chowdhary, G.V., and Johnson, E.N., “Real-Time System Identification of a Small Multi-Engine Aircraft,” Proceedings of the AIAA Atmospheric Flight Mechanics Conference, August 2009.

101.    Chowdhary, G.V. and Johnson, E.N., “Flight Validation of a Long Term Learning Controller,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2009.

102.    Wu, A.D. and Johnson, E.N., “Methods for Localization and Mapping Using Vision and Inertial Sensors,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008.

103.    Dunham, J. and Johnson, E.N., “Integrated Pan/Tilt Sensor System and Flight Controls,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008.

104.    Kutay, A., Calise, A.J., and Johnson, E.N., “A Comparison of Methods for Adaptive Control under Actuator Fault Accommodation,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008 (invited).

105.    Watanabe, Y., Johnson, E.N., and Calise, A.J., “Stochastic Guidance Design for UAV Vision-Based Control Applications,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008.

106.    Christmann, H.C. and Johnson, E.N., “UAS Reference Scenarios for MANET Development,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008.

107.    Johnson, E.N., Calise, A.J., and De Blauwe, H., “In Flight Validation of Adaptive Flight Control Methods,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008 (invited).

108.    Sattigeri, R.J., Johnson, E.N., and Calise, A.J., “Adaptive Estimation and Control in Vision- based Formation Flight,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2008.

109.    Chowdhary, G.V., Anderson, R.T., and Johnson, E.N., “Comparison of RBF and SHL Neural Network Based Adaptive Control”, Proceedings of the IEEE UAV 2008 International Symposium, June 2008.

110.    Apker, T.B. and Johnson, E.N., “Obstacle Detection and Cataloging Using Radiating Sensors,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007 (invited).

111.    Chowdhary, G. and Johnson, E.N., “Adaptive Neural Network Flight Control Using both Current and Recorded Data,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007.

112.    Geyer, M.S. and Johnson, E.N., “An Integrated Top-Down Approach to Obstacle Avoidance for Unmanned Aerial Vehicles,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007 (invited).

113.    Oh, S.M. and Johnson, E.N., “Relative Motion Estimation for Vision-based Formation using Unscented Kalman Filter,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007.

114.    Sattigeri R.J., Johnson, E.N., Calise, A.J., and Ha, J.C., “Vision-based Target Tracking with Adaptive Target State Estimator,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007 (invited).

115.    Watanabe, Y., Calise, A.J., and Johnson, E.N., “Vision-based Obstacle Avoidance for UAVs,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007.

116.    Watanabe, Y., Johnson, E.N., and Calise, A.J., “Stochastically Optimized Monocular Vision-based Guidance Design,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2007.

117.    Ha, J.C., Johnson, E.N., and Tannenbaum, A.R., “Real-Time Visual Tracking System Using Active Contours for Navigation and Control of UAVs,” Proceedings of the American Control Conference, July 2007.

118.    Geyer, M.S. and Johnson, E.N., “3D Obstacle Avoidance in Adversarial Environments for Unmanned Aerial Vehicles,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006.

119.    Ivey, G.F. and Johnson, E.N., “Investigation of Methods for Simultaneous Localization and Mapping Using Vision Sensors,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006.

120.    Johnson, E.N., Calise, A.J., and Turbe, M.A., “Fault Tolerance Through Direct Adaptive Control Using Neural Networks,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006 (invited).

121.    Johnson, E.N., Calise, A.J., Watanabe, Y., Ha, J., Neidhoefer, J.C., “Real-Time Vision-Based Relative Navigation,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006 (invited).

122.    Oh, S.M. and Johnson, E.N., “Development of UAV Navigation System Based on Unscented Kalman Filter,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006.

123.    Twigg, S.S., Calise, A.J., and Johnson, E.N., “3d Trajectory Optimization for Terrain Following and Terrain Masking,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006.

124.    Twigg, S.S., Calise, A.J., and Johnson, E.N., “Trajectory Optimization for n-Vehicles Using a Reduced Order Formulation,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006 (invited).

125.    Watanabe, Y., Johnson, E.N., and Calise, A.J., “Vision-Based Guidance Design from Sensor Trajectory Optimization,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006 (invited).

126.    Watanabe, Y., Calise, A.J., Johnson, E.N., and Evers, J.H., “Minimum-Effort Guidance for Vision-Based Collision Avoidance,  Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006.

127.    Wu, A.D., Turbe, M.A., Kannan, S.K., Neidhoefer, J.C., and Johnson, E.N., “Flight Results of Autonomous Airplane Transitions to and from Vertical Hover,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2006.

128.    Ivey, G.F. and Johnson, E.N., “Investigation of Methods for Target State Estimation Using Vision Sensors,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2005.

129.    Proctor, A.A. and Johnson, E.N., and “Vision-Only Approach and Landing,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2005.

130.    Rooz, N. and Johnson, E.N., “Design and Modeling of an Airship Station Holding Controller for Low Cost Satellite Operations,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2005.

131.    Turbe, M.A. and Johnson, E.N., “Modeling, Control, and Flight Testing of a Small Ducted Fan Vehicle,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2005.

132.    Watanabe, Y., Johnson, E.N., and Calise, A.J., “Vision-Based Approach to Obstacle Avoidance,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2005.

133.    Wu, A.D., Johnson, E.N., and Proctor, A.A., “Vision-Aided Inertial Navigation,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2005.

134.    Johnson, E.N., Calise, A.J., Tannenbaum, A.R., Soatto, S., Hovakimyan, N., and Yezzi, A.J., “Active-Vision Control Systems For Complex Adversarial 3-D Environments,” A tutorial, Proceedings of the American Control Conference, June 2005.

135.    Calise, A.J., Johnson, E.N., Sattigeri, R., Watanabe, Y., and Madyastha, V., “Estimation and Guidance Strategies for Vision-based Target Tracking”, Proceedings of the American Control Conference, June 2005.

136.    Johnson, E.N., Proctor, A.A., Ha, J., and Watanabe, Y., “Recent Flight Test Results of Active-Vision Control Systems, Proceedings of the American Control Conference, June 2005.

137.    Johnson, E.N., Calise, A.J., Sattigeri, R., and Watanabe, Y., “Approaches to Vision-Based Formation Control,” Proceedings of the IEEE Conference on Decision and Control, December 2004.

138.    Johnson, E.N. and Oh, S.M., “Adaptive Control Using Combined Online and Background Learning Neural Network,” Proceedings of the IEEE Conference on Decision and Control, December 2004.

139.    Christian, J.A., Turbe, M.A., Kabo, E.M., Manno, L.C., and Johnson, E.N., “Development of a Variable Inertia Reaction Wheel System for Spacecraft Attitude Control,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2004. 

140.    Johnson, M.D., Calise, A.J., and Johnson, E.N., “Further Evaluation of an Adaptive Method for Launch Vehicle Flight Control,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2004.

141.    Proctor, A.A. and Johnson, E.N., “Vision-Only Aircraft Flight Control Methods and Test Results,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2004.

142.    Watanabe, Y., Johnson, E.N., and Calise, A.J., “Optimal 3-D Guidance from a 2-D Vision Sensor,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2004.

143.    Twigg, S., Calise, A.J., and Johnson, E.N., “On-line Trajectory Optimization Including Moving Threats and Targets,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, August 2004.

144.    Ha, J., Alvino, C., Pryor, G., Niethammer, M., Johnson, E.N., Tannenbaum, A.R., “Active Contours and Optical Flow for Automatic Tracking of Flying Vehicles,” Proceedings of the American Control Conference, June 2004.

145.    Johnson, E.N. and Kannan, S.K., "Adaptive Control with a Nested Saturation Reference Model," Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2003. 

146.    Johnson, E.N. and Schrage, D.P., "The Georgia Tech Unmanned Aerial Research Vehicle: GTMax," Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2003.  

147.    Johnson, M.D., Calise, A.J., and Johnson, E.N., "Evaluation of an Adaptive Method for Launch Vehicle Flight Control," Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2003.  

148.    Proctor, A.A. and Johnson, E.N., "Latency Compensation in an Adaptive Flight Controller," Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2003.  

149.    Twigg, S.S., Calise, A.J., and Johnson, E.N., "On-line Trajectory Optimization for Autonomous Air Vehicles," Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2003.

150.    Twigg, S.S. and Johnson, E.N., "Use of Real Time Simulation in a Laboratory Course," Proceedings of the ASEE Annual Conference and Exposition, 2003.  

151.    Johnson, E.N. and Kannan, S.K., "Nested Saturation with Guaranteed Real Poles," Proceedings of the American Control Conference, 2003.  

152.    Johnson, E.N. and Kannan, S.K., “Adaptive Flight Control for an Autonomous Unmanned Helicopter,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2002.

153.    Johnson, E.N., Calise, A.J., and Corban, J.E., “A Six Degree-Of-Freedom Adaptive Flight Control Architecture For Trajectory Following,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2002.

154.    Johnson, E.N., Calise, A.J., and Corban, J.E., “Reusable Launch Vehicle Adaptive Guidance And Control Using Neural Networks,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2001.

155.    Johnson, E.N., Calise, A.J., and Corban, J.E., “Adaptive Guidance and Control for Autonomous Launch Vehicles,” IEEE Aerospace Conference Proceedings, 2001.

156.    Johnson, E.N. and Calise, A.J., “Neural Network Adaptive Control of Systems with Input Saturation,” Proceedings of the American Control Conference, 2001.

157.    Johnson, E.N., Calise, A.J., Rysdyk, R.T., and El-Shirbiny, H.A., “Feedback Linearization with Neural Network Augmentation Applied to X-33 Attitude Control,” Proceedings of the AIAA Guidance, Navigation, and Control Conference, 2000.

OTHER PUBLICATIONS

158.    Johnson, E.N. and Jones, P., “Optionally Piloted Rotorcraft Guidance and Operator Interface for Shipboard Operations,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft Development, January 2015.

159.    Johnson, E.N. and Mooney, J.G., “Longitudinal Motion Planning for Slung-Loads Using Simplified Models and Rapidly-Exploring Random Trees,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft and Network Centric Operations, January 2015.

160.    Haviland, S.T., Bershadsky, D., Magree, D.P., and Johnson, E.N., “Development of a 500 gram Vision-based Autonomous Quadrotor Vehicle Capable of Indoor Navigation,” Proceedings of the AHS International 71st Annual Forum and Technology Display, May 2015.

161.    Karan, E.P., Christmann, H.C., Gheisari, M., Irizzary, J., and Johnson, E.N., “Unmanned Aerial Systems Requirements for Potential Applications within a DOT,” Proceedings of the Construction Research Congress, May 2014. 

162.    Johnson, E.N., and Mooney, J.G., “Collaborative Search and Pursuit for Autonomous Helicopters,” Proceedings of the AHS International 70h Annual Forum and Technology Display, May 2014.

163.    Johnson, E.N., Mooney, J.G., and Christophersen, H.B., “Fourteen Years of Autonomous Rotorcraft Research at the Georgia Institute of Technology,” Proceedings of the 2nd Asian/Australian Rotorcraft Forum and the 4th International Basic Research Conference on Rotorcraft Technology, September 2013.

164.    Johnson, E.N. and Mooney, John G., “Preliminary Evaluation of Rapidly-Exploring Random Trees for Sling-Load Flight Guidance,” Proceedings of the 2nd Asian/Australian Rotorcraft Forum and the 4th International Basic Research Conference on Rotorcraft Technology, September 2013.

165.    De La Torre, G., Johnson, E.N., and Theodorou, E., “Guidance for Slung Load Operations through Differential Dynamic Programming,” Proceedings of the AHS International 70h Annual Forum and Technology Display, May 2014.

166.    Johnson, E.N., Mooney, J.G., Magree, D., White, M., Hartman, J., and Sahasrabudhe, V., “Collaborative Mapping and Search for Autonomous Helicopters,” Proceedings of the AHS International 69th Annual Forum and Technology Display, May 2013.

167.    Johnson, E.N., Mooney, J.G., White, M., Hartman, J., and Sahasrabudhe, V., “Terrain Height Evidence Sharing for Collaborative Autonomous Rotorcraft Operation,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft and Network Centric Operations, January 2013.

168.    Johnson, E.N. and De La Torre, G., “Predictive Control for Aggressive Slung Load Maneuvers,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft and Network Centric Operations, January 2013.

169.    Johnson, E.N., Mooney, J.G., Bershadsky, D., Sahasrabudhe, V., and Hartman, J., “A Comparison of Automatic Nap-of-the-Earth Guidance Strategies for Helicopters,” Proceedings of the AHS International 68th Annual Forum and Technology Display, May 2012.

170.    Johnson, E.N., Mooney, J.G., Ong, C., Sahasrabudhe, V., and Hartman, J., “Flight Testing of Nap-of-the-Earth Unmanned Helicopter Systems,” Proceedings of the AHS International 67th Annual Forum and Technology Display, May 2011.

171.    Johnson, E.N., Mooney, J.G., Ong, C., Sahasrabudhe, V., and Hartman, J., “High Performance Nap-of-the-Earth Unmanned Helicopter Flight,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft and Network Centric Operations, January 2011.  

172.    Prasad, J.V.R., Kang, K-R, Vu, A., Dhingra, M., and Johnson, E.N., “Optimal Obstacle Avoidance Constrained by Envelope Protection for Autonomous UAVs,” Heli Japan, Sitama, Japan, November 2010.

173.    Ottander, J. and Johnson, E.N., “Precision Slung Load Delivery onto a Moving Platform,” Proceedings of the AIAA Modeling and Simulation Technologies Conference, August 2010.

174.    Christmann, H.C. and Johnson, E.N., “Modeling Urban Environments for Communication-Aware UAV Swarm Path Planning,” Proceedings of the AIAA Modeling and Simulation Technologies Conference, August 2010.

175.    Kang, K., Ottander, J., Prasad, J.V.R., and Johnson, E.N., “Active Control of a UAV Helicopter with a Slung Load for Precision Airborne Cargo Delivery,” Proceedings of the AHS International 66th Annual Forum and Technology Display, May 2010.

176.    Shah, S.I.A., Wu, A.D., and Johnson, E.N., “Visual Marker Detection in the Presence of Colored Noise for UAVs,” AIAA Intotech@Aerospace Conference, April 2010.  

177.    Sobers, D.M., Jr. and Johnson, E.N., “Indoor Navigation for Micro Air Vehicles,” AIAA Intotech@Aerospace Conference, April 2010.

178.    Johnson, E.N., Chowdhary, G.V., and Kimbrell, M.S., “Guidance and Control of an Airplane under Severe Structural Damage,” AIAA Intotech@Aerospace Conference, April 2010. 

179.    Chowdhary, G.V., Srinivasan, S., and Johnson, E.N., “Frequency Domain Method for Real-Time Detection of Oscillations,” AIAA Intotech@Aerospace Conference, April 2010. 

180.    Chowdhary, G.V., DeBusk, W.M., and Johnson, E.N., “Real-Time System Identification of a Small Multi-Engine Aircraft with Structural Damage,” AIAA Intotech@Aerospace Conference, April 2010. 

181.    Chandramohan, R., Yucelen, T., Calise, A.J., Chowdhary, G.V., and Johnson, E.N., “Experimental Results for Kalman Filter Modification in Adaptive Control,” AIAA Intotech@Aerospace Conference, April 2010. 

182.    Watts, R., Tsiotras, P., and Johnson, E.N., “Pilot Feedback for an Automated Planning Aid System in the Cockpit,” Proceedings of the 28th AIAA/IEEE Digital Avionics Systems Conference, October 2009.

183.    Johnson, E.N., “Sensor Driven Guidance Systems for Unmanned Vehicles,” AIAA Intotech@Aerospace Conference, April 2009.

184.    Christmann, H.C., Christophersen, H.B., and Wu. A.D., and Johnson, E.N., “Guidance, Navigation, Control, and Operator Interfaces for Small Rapid Response Unmanned Helicopters,” AHS 64th Annual Forum and Technology Display, April 2008.

185.    Christmann, H.C. and Johnson, E.N., “Design and Implementation of a Self-configuring Ad-hoc Network for Unmanned Aerial Systems,” AIAA Intotech@Aerospace Conference, May 2007.

186.    Ha, J., Johnson, E.N., and Tannenbaum, A.R., “Real-time Visual Tracking System Using Geometric Active Contours and Particle Filter for Navigation and Control of UAVs,” AIAA Intotech@Aerospace Conference, May 2007.

187.    Neidhoefer, J.C., Gibson, C.S., Kunda, M., and Johnson, E.N., “Determinism in Autonomy for Applications in the National Aerospace System (NAS),” AIAA Intotech@Aerospace Conference, May 2007.

188.    Pritchett, A.R., Johnson, E.N., Gonzalez Castro, L.N. and Bruneau, D.P.J., “Coherent Design of Uninhabited Aerial Vehicle Operations and Control Stations,” Proceedings of the International Symposium on Aviation Psychology, Dayton, Ohio April 2007.

189.    Schrage, D.P., Prasad, J.V.R., Johnson, E.N., and Volovoi, V., “An Integrated Simulation and Flight Testing Approach for Development, Verification, and Validation of Unmanned Aerial Systems (UAS) Airworthiness Criteria,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft Development, January 2007.

190.    Johnson, E.N., Watanabe, Y., Ha, J., Tannenbaum, A.R., and Calise, A.J., “Image Processing, Estimation, Guidance, and Flight Test of Vision-Based Formation Flight,” Proceedings of the 3rd International Symposium on Innovative Aerial/Space Flyer Systems, Tokyo, Japan, November 2006.

191.    Johnson, E.N., Rooz, N., Pickell, R.W., and Hur, J., “A Concurrent Testing Process for Research Unmanned Aerial Vehicles,” Proceedings of the 25th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, San Francisco, California, June 2006.

192.    Watanabe, Y., Madyastha, V.K., Calise, A.J., and Johnson, E.N., “Vision-Based Approaches to UAV Formation Flight and Obstacle Avoidance,” Proceedings of the 2nd International Symposium on Innovative Aerial/Space Flyer Systems, Tokyo, Japan, December 2005.

193.    Bay, J.S., Johnson, E.N., and Ray, P., “University Testbeds Demonstrate Major Advances in Autonomous Rotorcraft Control Software,” AHS Vertiflite, Vol. 51, No. 3., Fall 2005.

194.    Immanuel, G. and Johnson, E.N., “State-Based Scheduling of Real-Time UAV Flight Control Avionics Tasks,” Proceedings of the AIAA Intotech@Aerospace Conference, September 2005.

195.    Jakobsen, O., Johnson, E.N., and Moodie, A.M., “Control Architecture For a UAV-Mounted Pan/Tilt/Roll Camera Gimbal,” Proceedings of the AIAA Intotech@Aerospace Conference, September 2005.

196.    Johnson, E.N., Schrage, D.P., and Vachtsevanos, G.J., “Software Enabled Control Experiments with University-Operated Unmanned Aircraft,” Proceedings of the AIAA Intotech@Aerospace Conference, September 2005.

197.    Twigg, S.S., Calise, A.J., and Johnson, E.N., “Trajectory Optimization for Multiple Vehicles Using a Reduced Order Formulation,” Proceedings of the AIAA Intotech@Aerospace Conference, September 2005.

198.    Koller, A.A., Johnson, E.N., “Implementation, Testing, and Operation of a Multi-UAV Communication Architecture,” Proceedings of the AIAA Modeling and Simulation Technologies Conference, August 2005.

199.    Drozeski, G., Yavrucuk, I., and Johnson, E.N., “Application of Software Enabled Control Technologies to a Full-Scale Unmanned Helicopter,” Proceedings of the AIAA Atmospheric Flight Mechanics Conference, August 2005.

200.    Johnson, E.N., Schrage, D.P., and Vachtsevanos, G., “Rotary Wing Final Experiments for the Software Enabled Control Program,” Proceedings of the AHS 61st Annual Forum, 2005.

201.    Johnson, E.N., Schrage, D.P., and Prasad, J.V.R., “Flight Test Results of Fault Tolerant Control Systems on Small and Micro Rotorcraft,” Proceedings of the AHS International Specialists’ Meeting on Unmanned Rotorcraft Development, 2005.

202.    Johnson, E.N., Schrage, D.P., Prasad, J.V.R., and Vachtsevanos, G.J., “UAV Flight Test Programs at Georgia Tech,” Proceedings of the AIAA “Unmanned Unlimited” Technical Conference, Workshop, and Exhibit, 2004.

203.    Christophersen, H.B., Pickell, W.J., Koller, A.A., Kannan, S.K, and Johnson, E.N., “Small Adaptive Flight Control Systems for UAVs using FPGA/DSP Technology,” Proceedings of the AIAA “Unmanned Unlimited” Technical Conference, Workshop, and Exhibit, 2004.

204.    Kannan, S.K, Koller, A.A., and Johnson, E.N., “Flexible Simulation Environment for Flight Control of Multiple UAVs,” Proceedings of the AIAA Modeling and Simulation Technologies Conference, 2004.

205.    Johnson, E.N., “Program Profile: Making UAVs Smarter”, Aerospace America, AIAA, Reston VA, September 2003, pp. 20-22.

206.    DeWagter, C., Proctor, A.A., and Johnson, E.N., “Vision-Only Aircraft Flight Control,” Proceedings of the 22nd Digital Avionics Systems Conference, 2003.  Awarded best student paper.

207.    Proctor, A.A., Kannan, S.K., Raabe, C., Christophersen, H.B., and Johnson, E.N., “Development of an Autonomous Aerial Reconnaissance System at Georgia Tech,” Proceedings of the Association for Unmanned Vehicle Systems International Unmanned Systems Symposium & Exhibition, 2003.  

208.    Johnson, E.N., Paunicka, J.L., Corman, D.E., Mendel, B.R., Schrage, D.P. and Vachtsevanos, G.J., "Open Control Platform: A road towards more capable flight control," Proceedings of the Euro UVS Unmanned Aerial Vehicles International Technical Conference and Exhibition, 2003.

209.    Schrage, D.P. and Johnson, E.N., "The Georgia Tech VTOL UAV Testbed - The GTMax, As an Open System for UAV Research and Development," Proceedings of the AHS International 59th Annual Forum and Technology Display, 2003. 

210.    Dittrich, J.S. and Johnson, E.N., “Multi-Sensor Navigation System for an Autonomous Helicopter,” Proceedings of the 21st Digital Avionics Systems Conference, 2002.

211.    Kannan, S.K. and Johnson, E.N., “Adaptive Trajectory-based Flight Control for Autonomous Helicopters,” Proceedings of the 21st Digital Avionics Systems Conference, 2002.  Awarded best student paper.

212.    Christophersen, H.B., Hart, M., Dhingra, M., Guily, R., Johnson, E.N., and Kannan, S.K., “Development of an Autonomous Aerial Reconnaissance System at Georgia Tech,” Proceedings of the Association for Unmanned Vehicle Systems International Unmanned Systems Symposium & Exhibition, 2002. 

213.    Johnson, E.N. and Mishra, S.S., “Flight Simulation for the Development of an Experimental UAV,” Proceedings of the AIAA Modeling and Simulation Technologies Conference, 2002.

214.    Johnson, E.N. and Pritchett, A.R., “Generic Pilot and Flight Control Model For Use in Simulation Studies,” Proceedings of the AIAA Modeling and Simulation Technologies Conference, 2002.

215.    Johnson, E.N., Hart. M.G, and Christophersen, H.B., “Development of an Autonomous Aerial Reconnaissance System at Georgia Tech,” Proceedings of the AIAA 1st Technical Conference and Workshop on Unmanned Aerial Vehicles, Systems, Technologies, and Operations, 2002.

216.    Johnson, E.N., Fontaine, S.G., and Kahn, A.D., “Minimum Complexity Uninhabited Air Vehicle Guidance And Flight Control System,” Proceedings of the 20th Digital Avionics Systems Conference, 2001.

217.    Christophersen, H.B., Hart, M., Dhingra, M., Guily, R., Johnson, E.N., and Kahn, A.D., “Development of an Autonomous Aerial Reconnaissance System at Georgia Tech,” Proceedings of the Association for Unmanned Vehicle Systems International Unmanned Systems Symposium & Exhibition, 2001. 

218.    Johnson, E.N. and Fontaine, S.G., “Use Of Flight Simulation To Complement Flight Testing Of Low-Cost UAVs,” Proceedings of the AIAA Modeling and Simulation Technology Conference, 2001.

219.    Johnson, E.N. and Calise, A.J., “Pseudo-Control Hedging: A New Method for Adaptive Control”, Workshop on Advances in Guidance and Control Technology, Redstone Arsenal, Alabama, 2000.

220.    Johnson, E.N. and Hansen, D.C., “A Display Concept for Staying Ahead of the Airplane,” Proceedings of the 17th Digital Avionics Systems Conference, 1998.

221.    Johnson, E.N. and DeBitetto, P.A., “Modeling and Simulation for Small Autonomous Helicopter Development,” Proceedings of the AIAA Modeling & Simulation Technologies Conference, 1997.

222.    DeBitetto, P.A., Johnson, E.N., Bosse, M.C., and Trott, C.A., “Draper Laboratory Small Autonomous Aerial Vehicle,” Proceedings SPIE (International Society for Optical Engineering) Vol. 3088, Enhanced and Synthetic Vision Conference, 1997.

223.    Johnson, E.N., DeBitetto, P.A., Trott, C.A., and Bosse, M.C., “The 1996 MIT/Boston University/Draper Laboratory Autonomous Helicopter System,” Proceedings of the 15th Digital Avionics Systems Conference, 1996.

224.    DeBitetto, P.A., Johnson, E.N., Lanzilotta, E., Trott, C.A., and Bosse, M.C., “The 1996 MIT/Boston University/Draper Laboratory Autonomous Helicopter System,” AUVSI '96; Proceedings of the 23rd Annual Association for Unmanned Vehicle Systems International Symposium and Exhibition, 1996.

225.    Johnson, E.N. and Hansman, R.J., “Robust Situation Generation Architecture for Multi-Agent Flight Simulation,” Proceedings of the AIAA Flight Simulation Technologies Conference, 1996.

226.    Pritchett, A.R., Barhydt, R., Hansman, R.J., and Johnson, E.N., “Flight Simulator Testing of Cockpit Traffic Displays Using Robust Situation Generation,” Proceedings of the AIAA Flight Simulation Technologies Conference, 1996.

227.    Pritchett, A.R., Hansman, R.J., and Johnson, E.N., “Use of Testable Responses for Performance-Based Measurement of Situation Awareness,” Proceedings of the International Conference on Experimental Analysis and Measurement of Situation Awareness, 1995.

228.    Hansman, R.J., Kuchar, J.K., and Johnson, E.N., “Human Centered Development of Information Systems and Decision Aids in Advanced Air Transportation Management Systems,” Proceedings of the Workshop on Advanced Air Traffic Management, 1995. 

229.    Johnson, E.N. and Pritchett, A.R., “Experimental Study of Vertical Flight Path Mode Awareness,” Proceedings of the Sixth IFAC/IFIP/IFORS/IEA Symposium on Analysis, Design and Evaluation of Man-Machine Systems, 1995. 

PRESENTATIONS AND VIDEOS

230.    Johnson, E.N., “Guidance, Navigation, and Control to Make Small Unmanned Aircraft Even Safer,” Control and Dynamic Systems seminar series, University of Colorado Boulder, March 2015.

231.    Johnson, E.N., “Navigation, Guidance, and Control to Enable Wider Use of Small Unmanned Aircraft,” Aerospace Engineering Seminar Series, Texas A&M University, October 2014.

232.    Johnson, E.N., “UAS Industry Development and State of Federal Regulations of Civilian Unmanned Aviation,” France-Atlanta Workshop: Drones and Autonomous Aviation: Innovation, Markets, and Regulations, Atlanta, October 2014.

233.    Johnson, E.N., “Innovations in Navigation, Guidance, and Adaptive Control to Enable Small Unmanned Aircraft Systems,” Plenary Address, International Micro Air Vehicle Conference and Competition, Delft, The Netherlands, August 2014.

234.    Johnson, E.N., “UAV Innovation and Georgia Tech and in Cooperation with TUM,” Driving Aerospace Innovation Forward; Bavaria, Germany and the Southeastern USA, Atlanta, June 2014.

235.    Johnson, E.N., “Use of Airborne Imagery for the Navigation and Guidance of Small Unmanned Aircraft Systems,” Special Lecture, American Society for Photogrammetry and Remote Sensing (ASPRS) Student Chapter at the University of Georgia, April 2014.

236.    McKoon J., Johnson, E.N., Alley, N., Nation, D., Hudnall, A., Cloud, M., Justice, S., Aerospace Vehicles Panel, Georgia Unmanned Systems Policy Symposium, Atlanta, November 2013.

237.    Johnson, E.N., “Testing Advanced Guidance, Navigation and Control Methods with Indoor/Outdoor Unmanned Aerial Vehicles,” Society of Flight Test Engineers / Society of Experimental Test Pilots Symposium, October 2013.

238.    Johnson, E.N., “Navigation, Guidance, and Adaptive Control Innovations for Unmanned Aircraft,” Robotics Institute Seminar Series, Carnegie Mellon University, Pittsburgh, Pennsylvania, September 2013.

239.    Johnson, E.N, English, B., Justice, R.S., Cloud, M., Kelly S., Hughes, S, and Gordon, L., “All About Drones,” Presentation and Panel Discussion, National Conference of State Legislatures (NCSL) Legislative Summit, Atlanta, Georgia, August 2013.

240.    Johnson, E.N., “The Flying Robot Revolution is Underway - How do we Keep it Safe?” Keynote Address International Conference on Unmanned Aircraft Systems, Atlanta, Georgia, May 2013.

241.    Johnson, E.N., “Guidance and Navigation:  Key to Making Small Unmanned Systems do Big Things,” Keynote Address CEAS Conference on Guidance, Navigation and Control, Delft, The Netherlands, April 2013.

242.    Johnson, E.N., Villasenor, J., Lin, P., with Masters, I. as moderator, “Drones and Robotic Warfare,” Presentation and Panel Discussion, Hammer Museum Forum, Los Angeles, California, July 2012.

243.    Johnson, E.N., “UAV – Recent Research and Activities,” Invited Presentation at IEEE Atlanta Chapters of the AESS and GRS Societies, July 2012.

244.    Johnson, E.N., “Making Small Unmanned Systems do Big Things,” Invited Seminar at the University of Michigan, College of Engineering Control Seminar Series, Ann Arbor, Michigan, January 2011.

245.    Johnson, E.N., “Unmanned Aerial Vehicle Design and Development Efforts at Georgia Tech,” Invited Seminar at Aeronautical Development Establishment (ADE), Indian Defense Research and Development Organization, Bangalore, India, April 6, 2009.

246.    Johnson, E.N., “Case study in highly autonomous complex missions:  2008 International Aerial Robotics Competition,” Invited Presentation, International Conference on Autonomous Unmanned Vehicles, Bangalore, India, April 3-4, 2009.

247.    Johnson, E.N., “Advanced Flight and Mission Control Systems for UAVs,” Invited Presentation, International Conference on Autonomous Unmanned Vehicles, Bangalore, India, April 3-4, 2009.

248.    Johnson, E.N., “Neural Network Adaptive Flight Control: In Theory and In Practice”, seminar at University of Texas at Arlington, May 2008.

249.    Johnson, E.N., “Georgia Tech UAV Research Summary and Discussion,” Robotics Workshop, Ft. Belvoir, December 2007.

250.    Neale, M., Zeitlin, A., and Johnson, E.N., “UAS/NAS Forum: Technology Milestones Necessary for UAS Certification,” panel, AIAA Infotech@Aerospace Conference, Rohnert Park, California, May 2007.  (Johnson’s section of presentation)

251.    Johnson, E.N., “Vision-Based Tracking and Adaptive Control for Unmanned Systems”, Invited Seminar, University of Minnesota, April 2007.

252.    Johnson, E.N. and Watanabe, Y., “Adaptive Flight Control Using Neural Networks” and “Active-Vision Control Systems,” Invited Seminars, Japan Aerospace Exploration Agency (JAXA), Chofu, Japan, November 2006.

253.    Johnson, E.N., “Adaptive Control and Vision-Based Control Research Highlights,” Invited Seminar, Kyoto University College of Engineering Seminar, Kyoto, Japan, November 2006.

254.    Johnson, E.N., “Georgia Tech UAV Research Facility: Navigation and Control Research Highlights,” Invited Seminar, Deutsches Zentrum für Luft- und Raumfahrt (DLR), Braunschweig, Germany, May 2006.

255.    Johnson, E.N., “Adaptive Control and Active Vision for Autonomous Aircraft,” Invited Seminar, NASA Langley Research Center / National Institute of Aerospace, Autonomous Vehicles and Systems Lecture Series, NASA Langley Research Center, May 2006.

256.    Johnson, E.N., “Some Flight Test Highlights 2002-2005: Georgia Tech School of Aerospace Engineering UAV Lab,” video documentary, IEEE International Conference on Robotics and Automation, May 2006 (17Mb).

257.    Johnson, E.N., “Active-Vision Control Systems for Aircraft,” SAE Control and Guidance Systems Committee Meeting, March 2006.

258.    Johnson, E.N., “GTMax GTSpy GTEdge: All flown by autonomous onboard systems”, video documentary, AIAA Intotech@Aerospace Conference, September 2005 (56Mb).

259.    Cummings, M., Nguyen, N., McLain, T., and Johnson, E.N., “Robust Tactical Planning and Mixed Initiative Control for Aircraft and Spacecraft,” Intelligent Systems in Aerospace Workshop panel, AIAA Intotech@Aerospace Conference, September 2005.

260.    Johnson, E.N., “Advancing Theory and Experiment in Unmanned Systems Research,” Invited Seminar, University of Illinois at Urbana-Champaign, February 2005.

261.    Johnson, E.N., “Active-Vision Control Systems: Research Highlights,” UF-GERC and AFRL/MN Invitational Workshop: Vision-Based GN&C for Autonomous Vehicles, Shalimar FL, March 2004.

262.    Johnson, E.N., "Flying Testbed Activities at Georgia Tech," Workshop on Design and Use of Flight Vehicles for Cooperative Attack Testbed, UF/GERC, Shalimar FL, July 2002.

263.    Johnson, E.N., "UAV Research at Georgia Tech," Invited Seminar, Control and Simulation Group, TU Delft, The Netherlands, May 2002.

264.    Johnson, E.N., "Unmanned Air Vehicle SOF Teams," Invited participation in first DARPA/USSOCOM Scientists Helping America Conference, Naval Research Laboratory, March 2002.

265.    Johnson, E.N., "Simulation as an Engineering Tool," Tutorial given at the 17th Digital Avionics Systems Conference, 1998.

266.    Johnson, E.N., "Small Autonomous Rotorcraft Development," Invited Seminar, ETH Zürich, Switzerland, Machatronics Group, Autonomous Vehicle Seminar Series, 1997.

267.    Johnson, E.N. and DeBitetto, P.A., "Solutions for Several Mini/Micro-UAV Avionics Challenges," Plenary Address, First International Conference on Emerging Technologies for Micro Air Vehicles, Atlanta, GA, 1997.

THESES

268.    Limited Authority Adaptive Flight Control, Ph.D. Thesis, Georgia Institute of Technology, 2000.

269.    Multi-Agent Flight Simulation with Robust Situation Generation, S.M. Thesis, Massachusetts Institute of Technology, 1995.

270.    Predicting the Effect of Unmodeled Dynamics on an Eigenspace Assignment Aircraft Control System Design, M.S. Thesis, The George Washington University, 1993.