Refereed conference articles

  1. W. M. Haddad and T. Hayakawa, ``Direct adaptive control for nonlinear uncertain systems with exogenous disturbances,'' in Proc. Amer. Contr. Conf., (Chicago, IL), pp. 4425-4429, June 2000.
  2. W. M. Haddad and T. Hayakawa, ``Direct adaptive control for nonlinear uncertain systems with bounded energy L2 disturbances,'' in Proc. IEEE Conf. Dec. Contr., (Sydney, Australia), pp. 2419-2423, December 2000.
  3. A. Leonessa, W. M. Haddad, and T. Hayakawa, ``Adaptive tracking for nonlinear systems with control constraints,'' in Proc. Amer. Contr. Conf., (Arlington, VA), pp. 1292-1297, June 2001.
  4. N. A. Kablar, T. Hayakawa, and W. M. Haddad, ``Adaptive control of thermoacoustic combustion instabilities,'' in Proc. Amer. Contr. Conf., (Arlington, VA), pp. 2468-2473, June 2001.
  5. V. Chellaboina, W. M. Haddad, and T. Hayakawa, ``Direct adaptive control for nonlinear matrix second-order dynamical systems with state-dependent uncertainty,'' in Proc. Amer. Contr. Conf., (Arlington, VA), pp. 4247-4252, June 2001.
  6. V. Chellaboina, W. M. Haddad, and T. Hayakawa, ``Adaptive control for nonlinear matrix second-order systems with sign-varying damping and stiffness operators,'' in Proc. ASME Int. Mech. Engr. Cong., (New York, NY), Paper No. DSC-24579, November 2001.
  7. W. M. Haddad, V. Chellaboina, and T. Hayakawa, ``Robust adaptive control for nonlinear uncertain systems,'' in Proc. IEEE Conf. Dec. Contr., (Orlando, FL), pp. 1615-1620, December 2001.
  8. W. M. Haddad, T. Hayakawa, and A. Leonessa, ``Direct adaptive control for discrete-time nonlinear uncertain systems,'' in Proc. Amer. Contr. Conf., (Anchorage, AK), pp. 1773-1778, May 2002. [Abstract] [Full text]
  9. W. M. Haddad, T. Hayakawa, and J. M. Bailey, ``Adaptive control for nonnegative and compartmental dynamical systems with applications to general anesthesia,'' in Proc. IEEE Conf. Dec. Contr., (Las Vegas, NV), pp. 3067-3072, December 2002.
  10. T. Hayakawa, W. M. Haddad, N. Hovakimyan, and V. Chellaboina, ``Neural network adaptive control for nonlinear nonnegative dynamical systems,'' in Proc. Amer. Contr. Conf., (Denver, CO), pp. 561-566, June 2003.
  11. W. M. Haddad, T. Hayakawa, and J. M. Bailey, ``Nonlinear adaptive control for intensive care unit sedation and operating room hypnosis,'' in Proc. Amer. Contr. Conf., (Denver, CO), pp. 1808-1813, June 2003.
  12. W. M. Haddad, M. C. Stasko, and T. Hayakawa, ``Direct adaptive control for nonlinear matrix second-order systems with time-varying and sign-indefinite damping and stiffness operators,'' in Proc. Amer. Contr. Conf., (Denver, CO), pp. 2919-2924, June 2003.
  13. A. Leonessa, V. Chellaboina, W. M. Haddad, and T. Hayakawa, ``Direct discrete-time adaptive control with guaranteed parameter error convergence,'' in Proc. Amer. Contr. Conf., (Denver, CO), pp. 2925-2930, June 2003.
  14. W. M. Haddad, T. Hayakawa, S. G. Nersesov, and V. Chellaboina, ``Hybrid adaptive control for nonlinear impulsive dynamical systems,'' in Proc. Amer. Contr. Conf., (Denver, CO), pp. 5115-5110, June 2003.
  15. W. M. Haddad, V. Chellaboina, Q. Hui, and T. Hayakawa, ``Neural network adaptive control for discrete-time nonlinear nonnegative dynamical systems,'' in Proc. IEEE Conf. Dec. Contr., (Maui, HI), pp. 5691-5696, December 2003.
  16. T. Hayakawa, W. M. Haddad, V. Chellaboina, and N. Hovakimyan, ``Passivity-based neural network adaptive output feedback control for nonlinear nonnegative dynamical systems,'' in Proc. IEEE Conf. Dec. Contr., (Maui, HI), pp. 5697-5702, December 2003.
  17. V. Chellaboina, W. M. Haddad, J. Ramakrishnan, and T. Hayakawa, ``Direct adaptive control of nonnegative and compartmental systems with time delay,'' in Proc. Amer. Contr. Conf., (Boston, MA), pp. 1235-1240, July 2004. [Abstract] [Full text]
  18. W. M. Haddad, T. Hayakawa, and V. Chellaboina, ``Hybrid direct adaptive stabilization for nonlinear impulsive dynamical systems,'' in Proc. Amer. Contr. Conf., (Boston, MA), pp. 1885-1890, July 2004. [Abstract] [Full text]
  19. J. M. Bailey, W. M. Haddad, and T. Hayakawa, ``Closed-loop control in clinical pharmacology: Paradigms, benefits, and challenges,'' in Proc. Amer. Contr. Conf., (Boston, MA), pp. 2268-2277, July 2004. [Abstract] [Full text]
  20. T. Hayakawa, W. M. Haddad, N. Hovakimyan, and J. M. Bailey, ``Neural network adaptive dynamic output feedback control for nonlinear nonnegative systems using tapped delay memory units,'' in Proc. Amer. Contr. Conf., (Boston, MA), pp. 4505-4510, July 2004. [Abstract] [Full text]
  21. Q. Hui, W M. Haddad, V. Chellaboina, and T. Hayakawa, ``Adaptive control of mammillary drug delivery systems,'' in Proc. Amer. Contr. Conf., (Portland, OR), pp. 967-972, June 2005.
  22. T. Hayakawa, W. M. Haddad, and N. Hovakimyan, ``Neural network adaptive control for nonlinear uncertain dynamical systems with asymptotic stability guarantees,'' in Proc. Amer. Contr. Conf., (Portland, OR), pp. 1301-1306, June 2005.
  23. T. Hayakawa, H. Ishii, and K. Tsumura, ``Adaptive quantized control for linear uncertain discrete-time systems,'' in Proc. Amer. Contr. Conf., (Portland, OR), pp. 4784-4789, June 2005.
  24. T. Hayakawa, W. M. Haddad, and N. Hovakimyan, ``A new characterization of stable neural network control for discrete-time uncertain systems,'' in Proc. IFAC World Cong., (Prague, Czech Republic), July 2005.
  25. T. Hayakawa, ``Direct adaptive control for nonlinear uncertain systems with time delay,'' in Proc. IFAC World Cong., (Prague, Czech Republic), July 2005.
  26. T. Hayakawa, H. Nakashima, and S. Hara, ``Adaptive control for stochastic nonnegative and compartmental dynamical systems,'' in Proc. SICE Ann. Conf., (Okayama, Japan), pp. 2031-2036, August 2005.
  27. T. Hayakawa, ``A new characterization on the approximation of nonlinear functions via neural networks: An adaptive control perspective,'' in Proc. Joint IEEE Conf. Dec. Contr. and Eur. Contr. Conf., (Seville, Spain), pp. 4117-4122, December 2005. [Full text]
  28. T. Hayakawa and W. M. Haddad, ``Stable neural hybrid adaptive control for nonlinear uncertain impulsive dynamical systems,'' in Proc. Joint IEEE Conf. Dec. Contr. and Eur. Contr. Conf., (Seville, Spain), pp. 5510-5515, December 2005.
  29. V. Chellaboina, W. M. Haddad, J. Ramakrishnan, and T. Hayakawa, ``Adaptive control for nonnegative dynamical systems with arbitrary time delay,'' in Proc. Amer. Contr. Conf., (Minneapolis, MN), pp. 2676-2681, June 2006. [Full text]
  30. T. Hayakawa, H. Ishii, and K. Tsumura, ``Adaptive quantized control for nonlinear uncertain systems,'' in Proc. Amer. Contr. Conf., (Minneapolis, MN), pp. 2706-2711, June 2006. [Full text]
  31. J. M. Bailey, W. M. Haddad, J. Im, T. Hayakawa, and P. A. Nagel, ``Adaptive and neural network adaptive control of depth of anesthesia during surgery,'' in Proc. Amer. Contr. Conf., (Minneapolis, MN), pp. 3409-3414, June 2006. [Full text]
  32. T. Hayakawa, ``Adaptive feedback passification control for nonlinear uncertain systems via neural networks,'' in Proc. Int. Symposium on Mathematical Theory of Networks and Systems, (Kyoto, Japan), pp. 1149-1154, July 2006.
  33. T. Hayakawa, ``Compartmental modeling and adaptive control of stochastic nonnegative systems,'' in Proc. Int. Symposium on Positive Systems, (Grenoble, France), pp. 351-358, August 2006.
  34. T. Hayakawa, T. Matsuzawa, and S. Hara, ``Formation control of multi-agent systems with sampled information: Relationship between information exchange structure and control performance,'' in Proc. IEEE Conf. Dec. Contr., (San Diego, CA), pp. 4333-4338, December 2006.
  35. T. Hayakawa, H. Ishii, and K. Tsumura, ``Adaptive control for linear uncertain discrete-time systems with quantization and deadzone,'' in Proc. Amer. Contr. Conf., (New York, NY), pp. 293-298, July 2007.
  36. G. Mohanarajah and T. Hayakawa, ``Influence of stochastic communication loss on the stability of a formation of multiple agents,'' in Proc. Amer. Contr. Conf., (New York, NY), pp. 341-346, July 2007.
  37. T. Hayakawa, ``Compartmental modeling and neural network control of stochastic nonnegative systems,'' in Proc. Amer. Contr. Conf., (New York, NY), pp. 1762-1767, July 2007.
  38. G. Mohanarajah and T. Hayakawa, ``Formation stability of multi-agent systems with state-dependent stochastic communication loss,'' in Proc. SICE Ann. Conf., (Takamatsu, Japan), pp. 27-30, September 2007.
  39. A. Leonessa, W. M. Haddad, T. Hayakawa, and Y. Morel, ``Adaptive dynamic control of nonlinear systems with actuator amplitude and rate saturation constraints,'' in Proc. ASME Int. Mech. Eng. Congr. Expo., (Seattle, WA), IMECE2007-43487, November 2007.
  40. S. Hara, T. Hayakawa, and H. Sugata, ``Stability analysis of linear systems with generalized frequency variables and its applications to formation control,'' in Proc. IEEE Conf. Dec. Contr., (New Orleans, LA), pp. 1459-1466, December 2007.
  41. G. Mohanarajah and T. Hayakawa, ``Formation stability of multi-agent systems with limited information,'' in Proc. Amer. Contr. Conf., (Seattle, WA), pp. 704-709, June 2008.
  42. S. Nishiyama and T. Hayakawa, ``Optimal stable state-space partitioning for piecewise linear planer systems,'' in Proc. Amer. Contr. Conf., (Seattle, WA), pp. 3959-3965, June 2008.
  43. S. Pak and T. Hayakawa, ``Formation control of multi-agent systems for urban earthquake disasters: Model predictive control approach,'' in Proc. SICE Ann. Conf., (Tokyo, Japan), pp. 2426-2431, August 2008.
  44. D. Hobson-Garcia and T. Hayakawa, ``formation control of multi-agent systems for urban earthquake disasters: model predictive control approach,'' in Proc. SICE Ann. Conf., (Tokyo, Japan), pp. 2865-2870, August 2008.
  45. M. Hutagalung and T. Hayakawa, ``Attitude consensus of two underactuated spacecraft,'' in Proc. SICE Ann. Conf., (Tokyo, Japan), pp. 3299-3304, August 2008.
  46. T. Hayakawa and G. Mohanarajah, ``Attitude consensus with fixed rotational axis via energy dissipation,'' in Proc. IEEE Conf. Dec. Contr., (Cancun, Mexico), pp. 2932-2937, December 2008. [Full text]
  47. M. Hutagalung and T. Hayakawa, ``Configuration consensus of two underactuated planar rigid bodies,'' in Proc. IEEE Conf. Dec. Contr., (Cancun, Mexico), pp. 5016-5021, December 2008. [Full text]
  48. D. Hobson-Garcia and T. Hayakawa, ``Using congestion graphs to analyze the stability of network congestion control,'' in Proc. IEEE Int. Conf. Networking Sensing Contr., (Okayama, Japan), pp. 559-564, March 2009.
  49. S. Nishiyama and T. Hayakawa, ``Stability analysis for 2-dimensional switched linear systems,'' in Proc. Amer. Contr. Conf., (St. Louis, MO), pp. 1771-1777, June 2009.
  50. T. Hayakawa, ``Adaptive synchronization control of spacecraft with fixed rotational axis,'' in Proc. ICCAS-SICE Int. Joint Conf., (Fukuoka, Japan), pp. 4092-4096, August 2009.
  51. M. Hutagalung and T. Hayakawa, ``Partial asymptotic stabilization of the synchronization of two underactuated spacecraft,'' in Proc. IEEE Conf. Dec. Contr., (Shanghai, China), pp. 1776-1781, December 2009.

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