Christopher Byrnes

Professor and Dean, School of Engineering and Applied Science

    Christopher Byrnes received his bachelor’s degree in mathematics from Manhattan College in 1971, and his master’s and doctorate in mathematics from the University of Massachusetts in 1973 and 1975.

    From 1975 to 1978, he was an instructor at the University of Utah.  From 1978-1984, he was an assistant professor, then an associate professor in the Division of Applied Science at Harvard University.  From 1984-1989, he was research professor of engineering and mathematics at Arizona State University. 

    In 1989, he came to Washington University as chairman and professor in the Department of Systems Science and Mathematics.  In 1991, he became dean of the School of Engineering and Applied Science.  He has held visiting appointments at various institutions including: Kungliska Tekniska Hogskolan, Stockholm, Sweden; Ceremade, Universite Paris - Dauphine, Paris, France;  Universita di Roma, Rome, Italy;  Soviet Academy of Sciences, Irkutsk, Kiev Moscow, USSR; IIASA, Laxenburg, Austria; University of Tokyo, Tokyo, Japan; Universiteit Groningen, The Netherlands, and Universitat Bremen, Bremen, BRD.

 

    During the last decade impressive progress has been made in the understanding of nonlinear dynamical systems, using newly developed geometric, algebraic, and analytic methods.  Nonlinear distributed parameter systems, in particular, provide models for many important physical systems, including rigid spacecraft with feasible appendages, lightweight flexible structures (such as elastic robot arms), and air flow across an airport. 

    One of the long range goals of Dean Christopher Byrnes’ research is the development of a systematic methodology, similar in intuitive appeal and scope to classical automatic control, for designing feedback laws capable of stabilizing or perhaps even shaping the time response of nonlinear lumped and distributed parameter systems.

    To this end, he and his students have been studying two closely allied approaches, which have their origins in two aspects of the control of complex dynamical systems: the development and analysis of a system description as accurate as possible and the alternate development of reduced order models, capturing some of the dominant dynamical effects.

    Dr. Byrnes is also active in research programs in deigital signal processing and speed processing.

Professional Activities

    Member of:
    -American Academy for the Advancement of Science
    -American Institute of Aeronautics and Astronautics
    -
    American Mathematical Society
    -American Society for Engineering Education
    -Institute for Electrical and Electronics Engineers
    -Society for Industrial and Applied Mathematics

    Editor or Associate Editor for many professional journals including:
    -Progress in Systems Control
    -Foundation of Systems and Control
    -Texts in Systems, Control, and Signal Processing
    -Circuits, Systems, and Signal Processing
    -Journal of Robust and Nonlinear Control
    -Journal of Mathematical Systems, Estimation, and Control

Awards and Honors

    -Honorary Doctor of Technology, Royal Institute of Technology, Stockholm, Sweden, 1998
    -Fellow of the Academy of Science of St. Louis, 1998
    -IFAC Best Paper Award for three-year period 1990-1992, awarded at the IFAC World Congress in Sydney, Australia, 1993
    -
    George Axelby Prize for Best Paper in IEEE Transactions on Automatic Control, 1990
    -IEEE Fellow, 1989
    -The Graduate College Distinguished Research Award, Arizona State University, 1988
    -JSPS Fellow (Japan Society for the Promotion of Science), 1986
    -Case Centennial Scholar, Case Western Reserve University, 1980
    -Pi Mu Epsilon, Sigma Xi, and Tau Beta Pi

Selected Publications

-Output Regulation of Nonlinear Systems, IEEE Transactions on Automatic Control, vol. 35, No. 2, February 1990, Winner of the George Axelby Prize for Best Paper in IEEE Transactions on Automatic Control, 1990 (with A. Isidori).

-A Complete Parameterization of all Positive Rational Extensions of a Covariance Sequence, IEEE Transactions on Automatic Control, vol 40, 1995, 1841-1857 (with A. Lindquist, S.V. Gusev, and A.V. Natveev).

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