Journal articles

  1. W. M. Haddad and T. Hayakawa, ``Direct adaptive control for nonlinear uncertain systems with exogenous disturbances,'' Int. J. Adapt. Control Signal Process., vol. 16, pp. 151-172, 2002. [Abstract] [Full text ( subscription required)]
  2. V. Chellaboina, W. M. Haddad, and T. Hayakawa, ``Direct adaptive control for nonlinear matrix second-order dynamical systems with state-dependent uncertainty,'' Sys. Contr. Lett., vol. 48, pp. 53-67, 2003. [Abstract] [Full text (Science Direct subscription required)]
  3. W. M. Haddad, T. Hayakawa, and V. Chellaboina, ``Robust adaptive control for nonlinear uncertain systems,'' Automatica, vol. 39, pp. 551-556, 2003. [Abstract] [Full text (Science Direct subscription required)]
  4. W. M. Haddad, T. Hayakawa, and J. M. Bailey, ``Adaptive control for nonnegative and compartmental dynamical systems with applications to general anesthesia,'' Int. J. Adapt. Control Signal Process., vol. 17, pp. 209-235, 2003. [Abstract] [Full text ( subscription required)]
  5. T. Hayakawa, W. M. Haddad, and A. Leonessa, ``A Lyapunov-based adaptive control framework for discrete-time nonlinear systems with exogenous disturbances,'' Int. J. Contr., vol. 77, pp. 250-263, 2004. [Abstract] [Full text (Meta Press subscription required)]
  6. W. M. Haddad and T. Hayakawa, ``Adaptive control for nonlinear nonnegative dynamical systems,'' Automatica, vol. 40, pp. 1637-1642, 2004. [Abstract] [Full text (Science Direct subscription required)]
  7. T. Hayakawa, W. M. Haddad, J. M. Bailey, and N. Hovakimyan, ``Passivity-based neural network adaptive output feedback control for nonlinear nonnegative dynamical systems,'' IEEE Trans. Neural Networks, vol. 16, no. 2, pp. 387-398, 2005. [Abstract] [Full text]
  8. T. Hayakawa, W. M. Haddad, and N. Hovakimyan, ``Neural network adaptive control for nonlinear nonnegative dynamical systems,'' IEEE Trans. Neural Networks, vol. 16, no. 2, pp. 399-413, 2005. [Abstract] [Full text]
  9. W. M. Haddad, T. Hayakawa, S. G. Nersesov, and V. Chellaboina, ``Hybrid adaptive control for nonlinear impulsive dynamical systems,'' Int. J. Adapt. Control Signal Process., vol. 19, no. 6, pp. 445-469, 2005.  [Abstract] [Full text (subscription required )]
  10. Q. Hui, W. M. Haddad, V. Chellaboina, and T. Hayakawa, ``Adaptive control of mammillary drug delivery systems with actuator amplitude constraints and system time delays,'' Eur. J. Contr., vol. 11, no. 6, pp. 586-600, 2005.
  11. W. M. Haddad, T. Hayakawa, and J. M. Bailey, ``Adaptive control for nonlinear nonnegative dynamical systems with applications to clinical pharmacology,'' Syst. Contr. Lett., vol. 55, no. 1, pp. 62-70,  2006. [Abstract] [Full text (Science Direct subscription required)]
  12. W. M. Haddad, T. Hayakawa, and M. C. Stasko, ``Direct adaptive control for nonlinear matrix second-order systems with time-varying and sign-indefinite damping and stiffness operators,'' Asian J. Contr., vol. 9, no. 1, pp. 11-19, 2007.
  13. W. M. Haddad, J. M. Bailey, T. Hayakawa, and N. Hovakimyan, ``Neural network adaptive output feedback control for intensive care unit sedation and intraoperative anesthesia,'' IEEE Trans. Neural Networks, vol. 18, no. 4, pp. 1049-1066, 2007. [Abstract] [Full text]
  14. T. Hayakawa, W. M. Haddad, and N. Hovakimyan, ``Neural network adaptive control for a class of nonlinear uncertain dynamical systems with asymptotic stability guarantees,'' IEEE Trans. Neural Networks, vol. 19, no. 1, pp. 80-89, 2008. [Abstract] [Full text]
  15. W. M. Haddad, V. Chellaboina, Q. Hui, and T. Hayakawa, ``Neural network adaptive control for discrete-time nonlinear nonnegative dynamical systems,'' Adv. Diff. Eqs., vol. 2008, Article ID 868425, 29 pages, 2008. [Abstract] [Full text]
  16. T. Hayakawa, W. M. Haddad, and K. Volyanskyy, ``Neural network hybrid adaptive control for nonlinear uncertain impulsive dynamical systems,'' Nonlinear Analysis: Hybrid Systems, vol. 2, no. 3, pp. 862-874, 2008. [Abstract] [Full text (subscription required)]
  17. A. Leonessa, W. M. Haddad, T. Hayakawa, and Y. Morel, ``Adaptive Control for Nonlinear Uncertain Systems with Actuator Amplitude and Rate Saturation Constraints,'' Int. J. Adapt. Control Signal Process., vol. 23, no. 1, pp. 73-96, 2009.
  18. T. Hayakawa, H. Ishii, and K. Tsumura, ``Adaptive quantized control for linear uncertain discrete-time systems,'' Automatica, vol. 45, no. 3, pp. 692-700, 2009.
  19. T. Hayakawa, H. Ishii, and K. Tsumura, ``Adaptive quantized control for nonlinear uncertain systems,'' Sys. Contr. Lett., vol. 58, no. 9, pp. 625-632, 2009. [Abstract] [Full text (subscription required)]
  20. S. Hara, T. Hayakawa, and H. Sugata, ``LTI systems with generalized frequency variables: A unified framework for homogeneous multi-agent dynamical systems,'' SICE J. Contr. Meas. Sys. Integr., vol. 2, no. 5, pp. 299-306, 2009.
  21. D. Hobson-Garcia and T. Hayakawa, ``Using congestion graphs to analyze the stability of network congestion control,'' Int. J. Intel. Contr. Syst., vol. 14, no. 2, pp. 125-133, 2009.
  22. A. Leonessa, V. Chellaboina, W. M. Haddad, and T. Hayakawa, ``Direct discrete-time adaptive control with guaranteed parameter error convergence,'' IEEE Trans. Autom. Contr., submitted.
  23. T. Hayakawa, ``Direct adaptive control for nonlinear uncertain systems with time delay,'' Automatica, submitted.
  24. T. Hayakawa, S. Hara, and T. Matsuzawa, ``Formation control of multi-agent systems with sampled information,'' IEEE Trans. Autom. Contr., submitted.

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