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  • Eric Johnson

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

62 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 2013, In : Journal of Field Robotics. 30, 3, p. 415-438 24 p.

Research output: Contribution to journalArticle

104 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

38 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

2 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

46 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
1 Scopus citations

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. 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

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

15 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

1 Scopus citations

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

2 Scopus citations

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

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

35 Scopus citations

Robust outlier-adaptive filtering for vision-aided inertial navigation

Lee, K. & Johnson, E. N., Apr 1 2020, In : Sensors (Switzerland). 20, 7, 2036.

Research output: Contribution to journalArticle

Open Access

Robust state estimation and online outlier detection using eccentricity analysis

Lee, K. & Johnson, E. N., Oct 6 2017, 1st Annual IEEE Conference on Control Technology and Applications, CCTA 2017. Institute of Electrical and Electronics Engineers Inc., p. 1350-1355 6 p. (1st Annual IEEE Conference on Control Technology and Applications, CCTA 2017; vol. 2017-January).

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

1 Scopus citations

Scalability of closed-loop system responses in adaptive control schemes

Schatz, S. P., Yucelen, T., De La Torre, G., Gruenwald, B., Johnson, E. N. & Holzapfel, F., Jan 31 2017, 2016 14th International Conference on Control, Automation, Robotics and Vision, ICARCV 2016. Institute of Electrical and Electronics Engineers Inc., 7838623. (2016 14th International Conference on Control, Automation, Robotics and Vision, ICARCV 2016).

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

Self-contained autonomous indoor flight with ranging sensor navigation

Chowdhary, G., Sobers, D. M., Pravitra, C., Christmann, C., Wu, A., Hashimoto, H., Ong, C., Kalghatgi, R. & Johnson, E. N., 2012, In : Journal of Guidance, Control, and Dynamics. 35, 6, p. 1843-1854 12 p.

Research output: Contribution to journalArticle

20 Scopus citations
1 Scopus citations

Situational and terrain awareness and warning system implementation on android smartphone for manned aviation applications

Bershadsky, D., Dressel, L. & Johnson, E., Jan 1 2014, 52nd Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics Inc., (52nd Aerospace Sciences Meeting).

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

1 Scopus citations