All Stories

  1. Exploiting natural dynamics for gait generation in undulatory locomotion

    Article • International Journal of Control, January 2019, Taylor & Francis

    Professor Tetsuya Iwasaki

  2. Tetsuya Iwasaki [People in Control]

    Article • IEEE Control Systems, June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  3. Stability Analysis of Systems With Generalized Frequency Variables

    Article • IEEE Transactions on Automatic Control, February 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  4. Analytical insights into optimality and resonance in fish swimming

    Article • Journal of The Royal Society Interface, January 2014, Royal Society Publishing

    Professor Tetsuya Iwasaki

  5. Biological clockwork underlying adaptive rhythmic movements

    Article • Proceedings of the National Academy of Sciences, January 2014, Proceedings of the National Academy of Sciences

    Professor Tetsuya Iwasaki

  6. Oscillation, Orientation, and Locomotion of Underactuated Multilink Mechanical Systems

    Article • IEEE Transactions on Control Systems Technology, September 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  7. Neural control for coordinated natural oscillation patterns

    Article • Systems & Control Letters, August 2013, Elsevier

    Professor Tetsuya Iwasaki

  8. Dynamic modeling and gait analysis of batoid swimming

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  9. Control design for coordinated oscillations with central pattern generator

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  10. Exciting multi-DOF systems by feedback resonance

    Article • Automatica, June 2013, Elsevier

    Professor Tetsuya Iwasaki

  11. Experimental Validation of Robust Resonance Entrainment for CPG-Controlled Tensegrity Structures

    Article • IEEE Transactions on Control Systems Technology, May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  12. Central Pattern Generator Control of a Tensegrity Swimmer

    Article • IEEE/ASME Transactions on Mechatronics, April 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  13. Orbital stability analysis of coupled harmonic oscillators

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  14. Resonance entrainment of tensegrity structures via CPG control

    Article • Automatica, November 2012, Elsevier

    Professor Tetsuya Iwasaki

  15. Optimal turning gait for undulatory locomotion

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  16. Developments in Control Theory Towards Glocal Control

    Article • January 2012, the Institution of Engineering and Technology (the IET)

    Professor Tetsuya Iwasaki

  17. Stability Region for Linear Systems with Generalized Frequency Variables

    Article • Transactions of the Society of Instrument and Control Engineers, January 2012, The Society of Instrument and Control Engineers

    Professor Tetsuya Iwasaki

  18. Mechanisms underlying rhythmic locomotion: interactions between activation, tension and body curvature waves

    Article • Journal of Experimental Biology, December 2011, The Company of Biologists

    Professor Tetsuya Iwasaki

  19. Mechanisms underlying rhythmic locomotion: dynamics of muscle activation

    Article • Journal of Experimental Biology, May 2011, The Company of Biologists

    Professor Tetsuya Iwasaki

  20. Entrainment to Natural Oscillations via Uncoupled Central Pattern Generators

    Article • IEEE Transactions on Automatic Control, May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  21. Mechanisms underlying rhythmic locomotion: body-fluid interaction in undulatory swimming

    Article • Journal of Experimental Biology, January 2011, The Company of Biologists

    Professor Tetsuya Iwasaki

  22. Optimal Gaits for Mechanical Rectifier Systems

    Article • IEEE Transactions on Automatic Control, January 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  23. Autonomous locomotion of multi-link mechanical systems via natural oscillation pattern

    Article • December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  24. Lyapunov-based exact stability analysis and synthesis for linear single-parameter dependent systems

    Article • International Journal of Control, September 2010, Taylor & Francis

    Professor Tetsuya Iwasaki

  25. Synthesis of controllers for exact entrainment to natural oscillation

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  26. Analysis of weakly coupled neuronal oscillators and its applications to leech swimming

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  27. ℌ2 and ℌ∞ norm computations for LTI systems with generalized frequency variables

    Article • June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  28. Natural entrainment of collocated mechanical systems via decentralized multi-agent feedback

    Article • June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  29. Corrections to the theory and the optimal line in the swimming diagram of Taylor (1952)

    Article • Journal of The Royal Society Interface, February 2010, Royal Society Publishing

    Professor Tetsuya Iwasaki

  30. Analysis of impulse adaptation in motoneurons

    Article • Journal of Comparative Physiology A, December 2009, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  31. Robust entrainment to natural oscillations of asymmetric systems arising from animal locomotion

    Article • December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  32. Generalized sector synthesis of output feedback control with anti-windup structure

    Article • Systems & Control Letters, June 2009, Elsevier

    Professor Tetsuya Iwasaki

  33. Sum-of-Squares Decomposition via Generalized KYP Lemma

    Article • IEEE Transactions on Automatic Control, May 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  34. Matrix perturbation analysis for weakly coupled oscillators

    Article • Systems & Control Letters, February 2009, Elsevier

    Professor Tetsuya Iwasaki

  35. Control of underactuated undulatory locomotor exploiting anti-resonance: A case study

    Article • January 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  36. A further result on the optimal harmonic gait for locomotion of mechanical rectifier systems

    Article • January 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  37. Multivariable harmonic balance for central pattern generators

    Article • Automatica, December 2008, Elsevier

    Professor Tetsuya Iwasaki

  38. CPG Control of a Tensegrity Morphing Structure for Biomimetic Applications

    Article • September 2008, CrossRef Test Account

    Professor Tetsuya Iwasaki

  39. CPG Control of a Tensegrity Morphing Structure for Biomimetic Applications

    Article • Advances in Science and Technology, September 2008, Trans Tech Publications

    Professor Tetsuya Iwasaki

  40. Feedback control for oscillation by central pattern generator

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  41. Multivariable harmonic balance analysis of the neuronal oscillator for leech swimming

    Article • Journal of Computational Neuroscience, July 2008, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  42. Application of semi-definite programming to robust stability of delay systems

    Article • Applied Mathematics and Computation, July 2008, Elsevier

    Professor Tetsuya Iwasaki

  43. Circulant Synthesis of Central Pattern Generators With Application to Control of Rectifier Systems

    Article • IEEE Transactions on Automatic Control, February 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  44. Formal analysis of resonance entrainment by central pattern generator

    Article • Journal of Mathematical Biology, January 2008, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  45. Coordinated Rhythmic Motion by Uncoupled Neuronal Oscillators with Sensory Feedback

    Article • SICE Journal of Control Measurement and System Integration, January 2008, The Society of Instrument and Control Engineers

    Professor Tetsuya Iwasaki

  46. Entrainment of central pattern generators to natural oscillations of collocated mechanical systems

    Article • January 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  47. Muscle function in animal movement: passive mechanical properties of leech muscle

    Article • Journal of Comparative Physiology A, November 2007, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  48. Biological control mechanisms underlying entrainment to mechanical resonance

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  49. Feedback control synthesis of multiple frequency domain specifications via generalized KYP lemma

    Article • International Journal of Robust and Nonlinear Control, October 2006, Wiley

    Professor Tetsuya Iwasaki

  50. Systems-level modeling of neuronal circuits for leech swimming

    Article • Journal of Computational Neuroscience, September 2006, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  51. Development of a morphing structure with the incorporation of central pattern generators

    Article • March 2006, SPIE

    Professor Tetsuya Iwasaki

  52. Robust PID control using generalized KYP synthesis: direct open-loop shaping in multiple frequency ranges

    Article • IEEE Control Systems, February 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  53. Sensory Feedback Mechanism Underlying Entrainment of Central Pattern Generator to Mechanical Resonance

    Article • Biological Cybernetics, January 2006, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  54. LMI Characterisation of Robust Stability for Time-Delay Systems: Singular Perturbation Approach

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  55. Analysis and Synthesis of Weakly Coupled Oscillators by Multivariable Harmonic Balance Approach

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  56. Robustness Limitations in Self-Sensing Magnetic Bearings

    Article • Journal of Dynamic Systems Measurement and Control, January 2006, ASME International

    Professor Tetsuya Iwasaki

  57. Analysis and synthesis of central pattern generators via multivariable harmonic balance

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  58. Exact synthesis of biological pattern generation: a circulant paradigm

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  59. Effectiveness and limitation of circle criterion for LTI robust control systems with control input nonlinearities of sector type

    Article • International Journal of Robust and Nonlinear Control, October 2005, Wiley

    Professor Tetsuya Iwasaki

  60. Time domain interpretations of frequency domain inequalities on (semi)finite ranges

    Article • Systems & Control Letters, July 2005, Elsevier

    Professor Tetsuya Iwasaki

  61. Feasibility Analysis for the Rotordynamic Performance of API617

    Article • Journal of Engineering for Gas Turbines and Power, January 2005, ASME International

    Professor Tetsuya Iwasaki

  62. Generalized KYP lemma: unified frequency domain inequalities with design applications

    Article • IEEE Transactions on Automatic Control, January 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  63. Restricted frequency inequality is equivalent to restricted dissipativity

    Article • January 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  64. Dynamical system design from a control perspective: finite frequency positive-realness approach

    Article • IEEE Transactions on Automatic Control, August 2003, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  65. Finite Frequency Characterization of Easily Controllable Plant toward Structure/Control Design Integration

    Article • January 2003, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  66. Feasibility Analysis for the Rotordynamic Performance of API617

    Article • January 2003, ASME International

    Professor Tetsuya Iwasaki

  67. Regional H2 Performance Synthesis

    Article • February 2002, Taylor & Francis

    Professor Tetsuya Iwasaki

  68. Serpentine locomotion with robotic snakes

    Article • IEEE Control Systems, January 2002, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  69. Characterization of robust finite frequency positive-real property

    Article • January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  70. LPV system analysis via quadratic separator for uncertain implicit systems

    Article • IEEE Transactions on Automatic Control, January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  71. Simultaneous parametric uncertainty modeling and robust control synthesis by LFT scaling

    Article • Automatica, October 2000, Elsevier

    Professor Tetsuya Iwasaki

  72. On the use of multi-loop circle criterion for saturating control synthesis

    Article • Systems & Control Letters, October 2000, Elsevier

    Professor Tetsuya Iwasaki

  73. Analysis and Control of a Gait of Snake Robot

    Article • IEEJ Transactions on Industry Applications, January 2000, Institute of Electrical Engineers of Japan (IEE Japan)

    Professor Tetsuya Iwasaki

  74. 12. Control Synthesis for Well-Posedness of Feedback Systems

    Article • January 2000, Society for Industrial & Applied Mathematics (SIAM)

    Professor Tetsuya Iwasaki

  75. Quadratic Controllability, Strong Controllability, and A Related Output Feedback Property

    Article • SIAM Journal on Control and Optimization, January 2000, Society for Industrial & Applied Mathematics (SIAM)

    Professor Tetsuya Iwasaki

  76. GeneralizedS-procedure and finite frequency KYP lemma

    Article • Mathematical Problems in Engineering, January 2000, Hindawi Publishing Corporation

    Professor Tetsuya Iwasaki

  77. Structure/control design integration with finite frequency positive real property

    Article • January 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  78. The dual iteration for fixed-order control

    Article • IEEE Transactions on Automatic Control, April 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  79. Robustness of the stability of feedback systems with respect to small time delays

    Article • Systems & Control Letters, February 1999, Elsevier

    Professor Tetsuya Iwasaki

  80. Analysis and synthesis of the robust impulse-to-peak performance

    Article • Automatica, November 1998, Elsevier

    Professor Tetsuya Iwasaki

  81. Well-posedness of feedback systems: insights into exact robustness analysis and approximate computations

    Article • IEEE Transactions on Automatic Control, May 1998, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  82. A recursive construction algorithm for covariance control

    Article • IEEE Transactions on Automatic Control, January 1998, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  83. Fixed-order scaled ℋ∞ synthesis

    Article • Optimal Control Applications and Methods, November 1997, Wiley

    Professor Tetsuya Iwasaki

  84. Computational Complexity Reduction in Scaled H∞ Synthesis**This paper was not presented at any IFAC meeting. This paper was recommended for publication in revised form by Associate Editor I. Petersen under the direction of Editor R.F. Curtain.

    Article • Automatica, July 1997, Elsevier

    Professor Tetsuya Iwasaki

  85. Rank-One Scaled [Hamiltonian (script capital H)]∞ Optimization

    Article • Journal of Dynamic Systems Measurement and Control, January 1997, ASME International

    Professor Tetsuya Iwasaki

  86. The dual iteration for fixed order control

    Article • January 1997, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  87. Robust performance analysis for systems with structured uncertainty

    Article • International Journal of Robust and Nonlinear Control, March 1996, Wiley

    Professor Tetsuya Iwasaki

  88. Robust performance analysis for systems with structured uncertainty

    Article • International Journal of Robust and Nonlinear Control, March 1996, Wiley

    Professor Tetsuya Iwasaki

  89. TheXY-centring algorithm for the dual LMI problem: a new approach to fixed-order control design

    Article • International Journal of Control, December 1995, Taylor & Francis

    Professor Tetsuya Iwasaki

  90. Increased roles of linear algebra in control education

    Article • IEEE Control Systems, August 1995, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  91. Parametrization of all stabilizing controllers via quadratic Lyapunov functions

    Article • Journal of Optimization Theory and Applications, May 1995, Springer Science + Business Media

    Professor Tetsuya Iwasaki

  92. All fixed-order H/sub /spl infin controllers: observer-based structure and covariance bounds

    Article • IEEE Transactions on Automatic Control, March 1995, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  93. A unified approach to fixed-order controller design via linear matrix inequalities

    Article • Mathematical Problems in Engineering, January 1995, Hindawi Publishing Corporation

    Professor Tetsuya Iwasaki

  94. Linear quadratic suboptimal control with static output feedback

    Article • Systems & Control Letters, December 1994, Elsevier

    Professor Tetsuya Iwasaki

  95. All controllers for the general ∞ control problem: LMI existence conditions and state space formulas

    Article • Automatica, August 1994, Elsevier

    Professor Tetsuya Iwasaki

  96. On the observer-based structure of covariance controllers

    Article • Systems & Control Letters, January 1994, Elsevier

    Professor Tetsuya Iwasaki

  97. The H∞ control problem using static output feedback

    Article • International Journal of Robust and Nonlinear Control, January 1994, Wiley

    Professor Tetsuya Iwasaki

  98. Liapunov and covariance controllers

    Article • International Journal of Control, March 1993, Taylor & Francis

    Professor Tetsuya Iwasaki

  99. Glocal control for natural oscillations

    Article • the Institution of Engineering and Technology (the IET)

    Professor Tetsuya Iwasaki

  100. Generalized quadratic lyapunov functions for nonlinear/uncertain systems analysis

    Article • Springer Science + Business Media

    Professor Tetsuya Iwasaki

  101. A unified approach to fixed order controller design via linear matrix inequalities

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  102. On the observer based structure of covariance controllers

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  103. Systems approach to modeling the neuronal CPG for leech swimming

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  104. Well-posedness of feedback systems: insights into exact robustness analysis

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  105. Multi-objective robust control with transient specifications

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  106. From generalized KYP lemma to engineering applications

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  107. Fixed order controller design via generalized KYP lemma

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  108. Generalization of Kalman-Yakubovic-Popov lemma for restricted frequency inequalities

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  109. Dynamical function design from a control perspective

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  110. When does or does not circle criterion help in robust control synthesis for LTI systems with sector type nonlinearities?

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  111. LPV system analysis via quadratic separator for uncertain implicit systems

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  112. LPV system analysis with quadratic separator

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  113. Rank-one scaled ℋ/sub ∞/ control synthesis with flight control application

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  114. An alternative to the D-K iteration?

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  115. Generalized H/sub 2//H/sub ∞/ control: general formulas

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  116. Robust performance analysis for systems with norm-bounded time-varying structured uncertainty

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  117. State-feedback controller synthesis for parameter-dependent LTI systems

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  118. Integrated system design by separation

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  119. Robust stability analysis with quadratic separator: parametric time-varying uncertainty case

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki

  120. What makes biological oscillators achieve robust self-excitation?

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Tetsuya Iwasaki