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  • Eric Johnson

Development and evaluation of an automated path planning aid

Watts, R., Claus Christmann, H., Johnson, E. N., Feigh, K. & Tsiotras, P., 2012, In : Journal of Aircraft. 49, 6, p. 1774-1785 12 p.

Research output: Contribution to journalArticle

4 Scopus citations

Development of a 500 gram vision-based autonomous quadrotor vehicle capable of indoor navigation

Haviland, S., Bershadsky, D., Magree, D. & Johnson, E., 2015, In : Annual Forum Proceedings - AHS International. 4, January, p. 2799-2805 7 p.

Research output: Contribution to journalArticle

6 Scopus citations

Direct feature correspondence in vision-aided inertial navigation for unmanned aerial vehicles

Vallés, F. P., Magree, D. P. & Johnson, E., Jul 25 2017, 2017 International Conference on Unmanned Aircraft Systems, ICUAS 2017. Institute of Electrical and Electronics Engineers Inc., p. 221-229 9 p. 7991446. (2017 International Conference on Unmanned Aircraft Systems, ICUAS 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dynamic modeling and analysis of a VTOL freewing concept

Haviland, S., Bershadsky, D. & Johnson, E., Jan 1 2016, AIAA Atmospheric Flight Mechanics Conference. American Institute of Aeronautics and Astronautics Inc, AIAA

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Effcient approximation of optimal high-order kinematic trajectories

Mooney, J. G. & Johnson, E. N., Jan 1 2016, AIAA Guidance, Navigation, and Control Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (2016 AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Electric multirotor propulsion system optimization for mission objectives

Bershadsb, D., Haviland, S. & Johnson, E., Jan 1 2016, 72nd American Helicopter Society International Annual Forum 2016: Leveraging Emerging Technologies for Future Capabilities. American Helicopter Society, p. 814-821 8 p. (Annual Forum Proceedings - AHS International; vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric multirotor propulsion system sizing for performance prediction and design optimization

Bershadsky, D., Haviland, S. & Johnson, E. N., Jan 1 2015, 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, (57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Estimation Techniques in Robust Vision-Based Landing of Aerial Vehicles

Nakamura, T., Magree, D. & Johnson, E. N., Jul 2017, In : IFAC-PapersOnLine. 50, 1, p. 11664-11669 6 p.

Research output: Contribution to journalArticle

4 Scopus citations

Exponential parameter and tracking error convergence guarantees for adaptive controllers without persistency of excitation

Chowdhary, G., Mühlegg, M. & Johnson, E., Aug 3 2014, In : International Journal of Control. 87, 8, p. 1583-1603 21 p.

Research output: Contribution to journalArticle

60 Scopus citations

Factored extended Kalman filter for monocular vision-aided inertial navigation

Magree, D. & Johnson, E. N., Jan 1 2016, In : Journal of Aerospace Information Systems. 13, 12, p. 475-490 16 p.

Research output: Contribution to journalArticle

6 Scopus citations

Flight testing of nap-of-the-earth unmanned helicopter systems

Johnson, E. N., Mooney, J. G., Ong, C., Hartman, J. & Sahasrabudhe, V., Jul 28 2011, 67th American Helicopter Society International Annual Forum 2011. p. 3180-3192 13 p. (Annual Forum Proceedings - AHS International; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Scopus citations

Fourteen years of autonomous rotorcraft research at the Georgia Institute of Technology

Johnson, E. N., Mooney, J. G. & Christophersen, H., 2013, American Helicopter Society International - 2nd Asian/Australian Rotorcraft Forum, ARF 2013 and the 4th International Basic Research Conference on Rotorcraft Technology 2013, IBRCRT 2013. American Helicopter Society International, p. 229-238 10 p. (American Helicopter Society International - 2nd Asian/Australian Rotorcraft Forum, ARF 2013 and the 4th International Basic Research Conference on Rotorcraft Technology 2013, IBRCRT 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Frequency domain method for real-time detection of oscillations

Chowdhary, G., Srinivasan, S. & Johnson, E. N., Feb 1 2011, In : Journal of Aerospace Computing, Information and Communication. 8, 2, p. 42-52 11 p.

Research output: Contribution to journalArticle

9 Scopus citations

Frequency-limited adaptive control architecture for transient response improvement

Yucelen, T., De La Torre, G. & Johnson, E. N., 2013, 2013 American Control Conference, ACC 2013. Institute of Electrical and Electronics Engineers Inc., p. 6631-6636 6 p. 6580880. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17 Scopus citations

Frequency-limited adaptive control of a generic transport model in the presence of system uncertainty and losses in control effectiveness

De La Torre, G., Yucelen, T., Haddad, W. M. & Johnson, E. N., Feb 28 2014, AIAA Guidance, Navigation, and Control Conference. (AIAA Guidance, Navigation, and Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Fully autonomous indoor flight relying on only five very low-cost range sensors

Chowdhary, G., Sobers, D. M., Salaün, E., Ottander, J. A. & Johnson, E. N., Jan 2013, In : Journal of Aerospace Information Systems. 10, 1, p. 21-31 11 p.

Research output: Contribution to journalArticle

2 Scopus citations

GPS-denied indoor and outdoor monocular vision aided navigation and control of unmanned aircraft

Chowdhary, G., Johnson, E. N., Magree, D., Wu, A. & Shein, A., May 1 2013, In : Journal of Field Robotics. 30, 3, p. 415-438 24 p.

Research output: Contribution to journalArticle

98 Scopus citations

Guidance and control of airplanes under actuator failures and severe structural damage

Chowdhary, G., Johnson, E. N., Chandramohan, R., Kimbrell, M. S. & Calise, A., 2013, In : Journal of Guidance, Control, and Dynamics. 36, 4, p. 1093-1104 12 p.

Research output: Contribution to journalArticle

37 Scopus citations

Guidance for slung load operations through Differential Dynamic Programming

De La Torre, G., Johnson, E. N. & Theodorou, E., 2014, 70th American Helicopter Society International Annual Forum 2014. American Helicopter Society, p. 3111-3121 11 p. (Annual Forum Proceedings - AHS International; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

High performance nap-of-the-earth unmanned helicopter flight

Johnson, E. N., Mooney, J. G., Ong, C., Sahasrabudhe, V. & Hartman, J., Dec 1 2011, American Helicopter Society International - AHS Specialists' Meeting on Unmanned Rotorcraft and Network Centric Operations 2011. p. 167-175 9 p. (American Helicopter Society International - AHS Specialists' Meeting on Unmanned Rotorcraft and Network Centric Operations 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Hybrid protocols for maintaining connectivity of multiagent systems

De La Torre, G., Yucelen, T. & Johnson, E. N., Jan 1 2013, 2013 IEEE 52nd Annual Conference on Decision and Control, CDC 2013. Institute of Electrical and Electronics Engineers Inc., p. 805-810 6 p. 6759981. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Implementing system identification for a vtol unmanned aerial vehicle

Gandhi, M., Whitcher, L., Johnson, E. & Theodorou, E., Jan 1 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Improving transient performance of adaptive control architectures using frequency-limited system error dynamics

Yucelen, T., De La Torre, G. & Johnson, E. N., Jan 1 2014, In : International Journal of Control. 87, 11, p. 2383-2397 15 p.

Research output: Contribution to journalArticle

45 Scopus citations

Improving uniform ultimate bounded response of neuroadaptive control approaches using command governors

Magree, D., Yucelen, T. & Johnson, E., Sep 16 2013, AIAA Guidance, Navigation, and Control (GNC) Conference. (AIAA Guidance, Navigation, and Control (GNC) Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Indoor GPS-denied context based SLAM aided guidance for autonomous unmanned aerial systems

Bershadsky, D. & Johnson, E., Sep 16 2013, AIAA Guidance, Navigation, and Control (GNC) Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Integrated guidance navigation and control for a fully autonomous indoor UAS

Chowdhary, G., Sobers, D. M., Pravitra, C., Christmann, C., Wu, A., Hashimoto, H., Ong, C., Kalghatgi, R. & Johnson, E., Dec 1 2011, AIAA Guidance, Navigation, and Control Conference 2011.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Scopus citations

Kernel embedding-based state estimation for colored noise systems

Lee, K., Choi, Y. & Johnson, E. N., Nov 8 2017, 2017 IEEE/AIAA 36th Digital Avionics Systems Conference, DASC 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8102036. (AIAA/IEEE Digital Avionics Systems Conference - Proceedings; vol. 2017-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Latency compensated visual-inertial odometry for agile autonomous flight

Lee, K. & Johnson, E. N., Apr 2 2020, In : Sensors (Switzerland). 20, 8, 2209.

Research output: Contribution to journalArticle

Open Access

Least square sparse mapping and octree-based A* algorithm

Watanabe, T., Balci, E. & Johnson, E. N., Jan 1 2018, AIAA Information Systems-AIAA Infotech at Aerospace. 209989 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Information Systems-AIAA Infotech at Aerospace, 2018; no. 209989).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light-weight quadrotor with on-board absolute vision-aided navigation

Magree, D. P., Van Dalen, G. J. J., Haviland, S. & Johnson, E., Jan 1 2015, 2015 International Conference on Unmanned Aircraft Systems, ICUAS 2015. Institute of Electrical and Electronics Engineers Inc., p. 1158-1167 10 p. 7152408

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Longitudinal motion planning for slung-loads using simplified models and rapidly-exploring random trees

Johnson, E. & Mooney, J. G., Jan 1 2015, American Helicopter Society International - 6th AHS International Specialists' Meeting on Unmanned Rotorcraft System 2015: Platform Design, Autonomy, Operator Workload Reduction and Network Centric Operations. American Helicopter Society International, p. 128-138 11 p. (American Helicopter Society International - 6th AHS International Specialists' Meeting on Unmanned Rotorcraft System 2015: Platform Design, Autonomy, Operator Workload Reduction and Network Centric Operations).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Longitudinal slung-load guidance for autonomous rotorcraft using rapidly-exploring Random Trees

Johnson, E. N. & Mooney, J. G., 2013, American Helicopter Society International - 2nd Asian/Australian Rotorcraft Forum, ARF 2013 and the 4th International Basic Research Conference on Rotorcraft Technology 2013, IBRCRT 2013. American Helicopter Society International, p. 252-260 9 p. (American Helicopter Society International - 2nd Asian/Australian Rotorcraft Forum, ARF 2013 and the 4th International Basic Research Conference on Rotorcraft Technology 2013, IBRCRT 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lyapunov-based integration of a data recording algorithm in adaptive control

Chowdhary, G. & Johnson, E. N., Dec 1 2011, AIAA Guidance, Navigation, and Control Conference 2011. (AIAA Guidance, Navigation, and Control Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Modeling and flight testing of the longitudinal dynamics of an inflatable wing UAV

Brown, A. X. & Johnson, E. N., Dec 1 2011, AIAA Atmospheric Flight Mechanics Conference 2011. (AIAA Atmospheric Flight Mechanics Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modeling and flight testing of the longitudinal dynamics of an inflatable wing UAV

Brown, A. X. & Johnson, E. N., 2011, AIAA Atmospheric Flight Mechanics Conference 2011. American Institute of Aeronautics and Astronautics Inc., (AIAA Atmospheric Flight Mechanics Conference 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Monocular vision occupancy grid mapping with obstacle avoidance on UAVs

Balci, E., Watanabe, T., Magree, D., Khamvilai, T. & Johnson, E. N., Jan 1 2018, AIAA Guidance, Navigation, and Control. 210039 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Guidance, Navigation, and Control Conference, 2018; no. 210039).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Monocular visual mapping for obstacle avoidance on UAVs

Magree, D., Mooney, J. G. & Johnson, E., Apr 1 2014, In : Journal of Intelligent and Robotic Systems: Theory and Applications. 74, 1-2, p. 17-26 10 p.

Research output: Contribution to journalArticle

14 Scopus citations

Monocular visual mapping for obstacle avoidance on UAVs

Magree, D., Mooney, J. G. & Johnson, E. N., Sep 2 2013, 2013 International Conference on Unmanned Aircraft Systems, ICUAS 2013 - Conference Proceedings. p. 471-479 9 p. 6564722. (2013 International Conference on Unmanned Aircraft Systems, ICUAS 2013 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Multiple-model adaptive estimation for measurements with unknown time delay

Lee, K. & Johnson, E. N., Jan 1 2017, AIAA Guidance, Navigation, and Control Conference, 2017. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Guidance, Navigation, and Control Conference, 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Network discovery: An estimation based approach

Chowdhary, G., Egerstedt, M. & Johnson, E., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 1076-1081 6 p. 5991476. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Scopus citations

Neuropredictive control and trajectory generation for slung load systems

de La Torre, G., Johnson, E. N. & Yucelen, T., Sep 16 2013.

Research output: Contribution to conferencePaper

On achieving predictable adaptive control response for uncertain dynamical systems with large domains of operation

Yucelen, T. & Johnson, E., 2012, AIAA Guidance, Navigation, and Control Conference 2012. American Institute of Aeronautics and Astronautics Inc., (AIAA Guidance, Navigation, and Control Conference 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optionally piloted rotorcraft guidance and operator interface for shipboard operations

Johnson, E. & Jones, P., Jan 1 2015, American Helicopter Society International - 6th AHS International Specialists' Meeting on Unmanned Rotorcraft System 2015: Platform Design, Autonomy, Operator Workload Reduction and Network Centric Operations. American Helicopter Society International, p. 175-180 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Particle filter for closed-loop detection and tracking from occluded airborne images

Nakamura, T., Haviland, S., Bershadsky, D., Magree, D. & Johnson, E., Jul 25 2017, 2017 International Conference on Unmanned Aircraft Systems, ICUAS 2017. Institute of Electrical and Electronics Engineers Inc., p. 256-263 8 p. 7991474. (2017 International Conference on Unmanned Aircraft Systems, ICUAS 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Performance of a monocular vision-aided inertial navigation system for a small UAV

Magree, D. & Johnson, E., Sep 16 2013, AIAA Guidance, Navigation, and Control (GNC) Conference. (AIAA Guidance, Navigation, and Control (GNC) Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Scopus citations

Rapid automated slung load operations with conventional helicopters

Haviland, S., Bershadsky, D. & Johnson, E. N., 2018, In : Annual Forum Proceedings - AHS International. 2018-May

Research output: Contribution to journalConference article

Rapid automatic slung load operations with unmanned helicopters

Haviland, S., Bershadsky, D. & Johnson, E. N., 2019, In : Journal of the American Helicopter Society. 64, 4, 042009.

Research output: Contribution to journalArticle

Real-time fire segmentation via Active Contours for UAV integrated wildfire propagation prediction

De Vivo, F., Battipede, M., Gili, P., Yezzi, A., Feron, E. & Johnson, E., Jan 1 2018, AIAA Information Systems-AIAA Infotech at Aerospace. 209989 ed. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Information Systems-AIAA Infotech at Aerospace, 2018; no. 209989).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Reference control architecture in the presence of measurement noise and actuator dynamics

De La Torre, G., Yucelen, T. & Johnson, E., 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 4961-4966 6 p. 6858669. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Reproducing kernel hilbert space approach for the online update of radial bases in neuro-adaptive control

Kingravi, H. A., Chowdhary, G., Vela, P. A. & Johnson, E., Dec 1 2012, In : IEEE Transactions on Neural Networks and Learning Systems. 23, 7, p. 1130-1141 12 p., 6208915.

Research output: Contribution to journalArticle

34 Scopus citations