Hyo-Sung Ahn, Faculty



Electrical & Computer Engineering

Utah State University




Electrical Engineering

Uni. of North Dakota




Astronomy (major: astrodynamics and space sci.)

Yonsei University

Seoul, Korea



Astronomy & Atmospheric Science

Yonsei University 

Seoul, Korea


Professional Experiences


School of Mechatronics

Gwangju Institute of Science and Technology (GIST)


03/2016 -

Associate Professor

School of Mechatronics

Gwangju Institute of Science and Technology (GIST)


10/2012 -

Assistant Professor

Dept. of Mechatronics

Gwangju Institute of Science and Technology (GIST)


07/2007 -  09/2012

Senior Researcher

Intelligent Robot Research Division

Electronics and Telecommunications Research Institute (ETRI)


06/2006 - 07/2007

Adjunct Assistant Professor

University of Science and Technology


08/2006 - 07/2007

Graduate Research Assistant

Dept. of Electrical and Computer Eng.

Utah State Univ.

Logan, UT

 01/2004 - 02/2006

Graduate Research Assistant

Upper Midwest Aerospace Consortium & Dept. of Electrical Eng.

Univ. of North Dakota

Grand Forks, ND

01/2002 - 12/2003

Research Engineer

Space Development and Research Center

Korea Aerospace Ind. LTD


09/2000 - 12/2001

Graduate Teaching Assistant

Dept. of Astronomy & Space Science

Yonsei University

Seoul, Korea

09/1998 - 02/2000

Honor and Awards

-   Outstanding Graduate Research Assistant Award, Dept. of Electrical and Computer Engineering, Utah State University, 2005-2006

-   American Control Conference Student Travel Grant Award (supported by NSF and American Automatic Control Council)

Professional Membership

-   IEEE member

-   ICROS member

Professional Review Services

-   Journal Reviewer

IEEE Trans. Automatic Control

IEEE Trans. Robotics

IEEE Trans. Circuit and Systems –II

IEEE Geoscience and Remote Sensing Letters


Aerospace Science and Technology

J. Math. Anal. Appl.

Control Engineering Practice

IEEE Trans. Control Systems & Technology

Int. J. Control

Int. J. Control Sci. and Eng.


-   Conference Reviewer: ACC, CDC, CCA, ICMA, ISIE, ADPRL, IFAC WC, IROS, ICCAS, etc.

International Activities

-   Program Chair (& Publication Chair as well): Symposium on Learning Control at IEEE CDC 2009 (You     can see all the pictures taken, accepted papers, and plenary talks at http://dcas.gist.ac.kr/ilc2009/).        * We have accepted 29 papers, and there were five plenary talks including Prof. Arimoto/ We appreciate           Shanghai Jiaotong University EE department for accommodating the rooms and other facility

-   Int. Program Committee (IPC): 2007 ASME/IEEE Int.Conf. Mechatronics and Embedded Systems and Applications

-   Int. Program Committee (IPC): 2008 IEEE Int. Symposium on Intelligent Control (ISIC)

-   Int. Program Committee (IPC): 2008 Chinese Control and Decision Conference

-   Int. Program Committee (IPC): The 10th International Conference on Control, Automation, Robotics and Vision, IEEE ICARCV 2008

-   Int. Program Committee (IPC): The 5th International Conference on Informatics in Control, Automation and Robotics, IEEE ICNICO 2008

-   Symposium chair: 2008 IEEE/ASME Int. Conf. Mechatronics and Embedded Systems and Applications (Intelligence in Mechatronic and Embedded Systems)

-   Int. Program Committee (IPC): The 6th International Conference on Industrial Informatics, IEEE INDIN, 2008

-   Session organizer:

    - Recent Advances in Iterative and Repetitive Learning Control - 1 & 2 (2008 IFAC World Congress)

    - Recent Advances in Intelligent Autonomous Systems (2008 IFAC World Congress)


Selected Publications

- Book

  1. Hyo-Sung Ahn, Kevin L. Moore, YangQuan Chen ¡°Iterative learning control: Robustness and monotonic convergence for interval systems,¡± Communications and Control Engineering Series (CCE)Springer-Verlag, London, 2007.

- Int. Journal Papers

  1. Hyo-Sung Ahn, ¡°Leader-follower type relative position keeping in satellite formation flying via robust exponential stabilization,¡± Int. J. Robust and Nonlinear Control, Vol. 22, No. 18, pp. 2084-2090, 2012.
  2. Hyo-Sung Ahn, ¡°Powers of parametric interval uncertain matrix,¡± IET Control Theory & Applications, Vol. 5, No. 3, pp. 523-534, 2011.
  3. Hyo-Sung Ahn, Wonpil Yu, ¡°Environmental adaptive RSSI-based indoor localization,¡± IEEE Trans. on Automation Science and Engineering, Vol. 6, No. 4, Oct., 2009, pp. 626-633.
  4. Hyo-Sung Ahn, Kwang Hee Ko, ¡°Simple pedestrian localization algorithms based on distributed wireless sensor networks,¡± IEEE Trans. on Industrial Electronics, Vol. 56, No. 10, Oct., 2009, pp. 4296-4302.
  5. Hyo-Sung Ahn, YangQuan Chen, ¡°Necessary and sufficient condition of fractional-order interval linear systems (With clarifications at ¡°Authors¡¯ reply to "Comments on `Necessary and sufficient stability condition of fractional-order interval linear systems' "¡±, by Hyo-Sung Ahn, YangQuan Chen, Automatica, Vol. 50, No. 10, Oct., pp. 2736, 2014),¡± Automatica, Vol. 44, No. 11, Nov. 2008, pp. 2985-2988.
  6. Hyo-Sung Ahn, ¡°Exact maximum singular value of a complex interval matrix,¡± IEEE Trans. on Automatic Control, Vol. 53, No. 9, Oct. 2008, pp. 2165-2170.
  7. Hyo-Sung Ahn, Kevin L. Moore, YangQuan Chen, ¡°Stability analysis of discrete-time iterative learning control systems with interval uncertainty,¡± Automatica, Vol. 43, No. 5, pp. 892-902, 2007.
  8. Hyo-Sung Ahn, YangQuan Chen, ¡°Exact maximum singular value calculation of an interval matrix,¡± IEEE Trans. on Automatic Control, Vol. 52, No. 3, pp. 510-514, 2007.
  9. Hyo-Sung Ahn, Kevin L. Moore, YangQuan Chen, ¡°Monotonic convergent iterative learning controller design based on interval model conversion,¡± IEEE Trans. on Automatic Control, Vol. 51, No. 2, pp. 366-371, 2006.

- Referred Conference Papers

  1. Hyo-Sung Ahn, ¡°Formation coordination for self-mobile localization: Framework,¡± Proc. of the IEEE Int. Symposium on Computational Intelligence in Robotics and Automation (CIRA2009), Dec, 2009, Daejeon, Korea.
  2. Hyo-Sung Ahn, ¡°Reinforcement Learning and Iterative Learning Control: Similarity and Difference¡± Proc. of the 2009 International Conference on Mechatronics and Information Technology (ICMIT 2009), Gwangju, Korea, Dec. 2009.
  3. Hyo-Sung Ahn, Kevin L. Moore, YangQuan Chen, ¡°Kalman filter augmented iterative learning control on the iteration domain,¡± Proc. of the 2006 American Control Conference (ACC), Minneapolis, MN, June 14-16, 2006, pp. 250-255.
  4. Hyo-Sung Ahn, Kevin L. Moore, YangQuan Chen,¡°Linear independency of interval vectors and its applications to robust controllability tests,¡± Proc. of the IEEE Conference on Decision and Control (CDC), Seville, Spain, Dec. 12-15, 2005, pp. 8070-8075.

Full Resume (updated April 16, 2015) download pdf