1. N. Kawamura, K.Z. Liu, T. Zanma: Position estimation error reduction method for position sensorless controlled IPMSM at switching saliency-based method to flux observer-based method, Proc. of CCC 2019, pp. 2553-2557, Guangzhou, China (2019. 7)
  2. S. Haga, T. Zanma, K. Koiwa, K.Z. Liu: Optimal automatic formation control for two-wheeled vehicles using model predictive control with formation keeper, Proc. of CCC 2019, pp. 3186-3189, Guangzhou, China (2019. 7)
  3. W. Hatsumata, T. Zanma, K. Koiwa, K.Z. Liu: A study on improvement of switching control using network traffic estimation of networked control with data dropout, Proc. of CCC 2019, pp. 5389-5392, Guangzhou, China (2019. 7)
  4. J. Akiba, K. Koiwa, T. Yoshida, K.Z. Liu, T. Zanma, A Robust Controller Design Method for Single-Phase PWM Inverter Based on Positive Realness, Proc. of CCC 2019, pp. 7373-7376, Guangzhou, China (2019. 7)
  5. K. Inoo, K. Koiwa, K.Z. Liu, T. Zanma, An Accurate Model of Virtual Synchronous Generator for Grid-Connected Inverter, Proc. of CCC 2019, pp. 7377-7380, Guangzhou, China (2019. 7)
  6. T. Ishii, K. Koiwa, K.Z. Liu, T. Zanma, J. Tamura, A Novel ESS Controller to MitigateWind Farm Output without Phase-lag, Proc. of CCC 2019, pp. 7381-7384, Guangzhou, China (2019. 7)
  7. P. Yu, K.Z. Liu, M. Yokoyama, M. Wu: Robust Control of Contact Force for Pantograph-Catenary System, Proc. of SICE 2018, Nara, Japan (2018. 9)
  8. S. Kuroki, K.Z. Liu, T. Mizuno, X. Yang, C. Zhang: Modeling of High-Speed Motor Drive Systems Considering Two Kinds of Vibrations, Proc. of IC-MSQUARE 2018, Moscow, Russia (2018. 8)
  9. Y. Nomura, Y. Takagi, T. Zanma, K. Koiwa and K.Z. Liu: The voltage vector projection method for sensorless of PMSM in model predictive control, Proc. of CCC 2018, pp. 2115-2118, Wuhan, China (2018. 7)
  10. T. Kuribayashi, Y. Takagi, T. Zanma, K. Koiwa and K.Z. Liu: Online parameter estimation in model predictive current control for PMSM, Proc. of CCC 2018, pp. 2111-2114, Wuhan, China (2018. 7)
  11. J. Akiba, K.Z. Liu, K. Koiwa and M. Wu: A design method for robust performance based on the positive realness and gain information of uncertainty, Proc. of CCC 2018, pp. 2597-2600, Wuhan, China (2018. 7)
  12. P. Yu, K.Z. Liu, M. Wu and J. She: Robust disturbance-rejection for a class of nonlinear systems, Proc. of CCC 2018, pp. 2619-2624, Wuhan, China (2018. 7)
  13. Y. Uchiyama, S. Fujisawa, T. Zanma, K. Koiwa and K.Z. Liu: Optimal event-triggered control in netwirked control systems, Proc. of CCC 2018, pp. 3768-3771, Wuhan, China (2018. 7)
  14. S. Haga, K. Hoshikawa, T. Zanma, K. Koiwa and K.Z. Liu: Optimal automatic formation control for two-wheeled vehicles using model predictive control with temporal logic constraints, Proc. of CCC 2018, pp. 3772-3775, Wuhan, China (2018. 7)
  15. T.Z. Soe, A. Tokunaga, T. Zanma, K. Koiwa and K.Z. Liu: Quantized state feedback control system with variable quantizer using quantization center, Proc. of CCC 2018, pp. 3808-38111, Wuhan, China (2018. 7)
  16. Y. Li, K. Koiwa, K.Z. Liu and T. Zanma: An optimal control strategy for improved FRT capability of doubly fed induction generator, Proc. of CCC 2018, pp. 8733-8736, Wuhan, China (2018. 7)
  17. K. Koiwa, Y. Li, K.Z. Liu, T. Zanma and J. Tamura: A new control method for the full converter of permanent magnet synchronous generators, Proc. of CCC 2018, pp. 8748-8751, Wuhan, China (2018. 7)
  18. H. Haraike, T. Ishii, K. Koiwa, K.Z. Liu and M. Wu: Analysis of wind speed characteristics and its application to wind farm operation, Proc. of CCC 2018, pp. 8776-8779, Wuhan, China (2018. 7)
  19. C. Gan, W. Cao and K.Z. Liu: To improve drilling efficiency by multi-objective optimization of operational drilling parameters in the complex geological drilling process, Proc. of CCC 2018, pp. 10238-10243, Wuhan, China (2018. 7)
  20. T. Tawara, K. Koiwa and K.Z. Liu: An Optimal Fluctuation Control Method of Wind-Farm Output Using Inertia of Wind Turbines and Its Reduction Effect on Battery’s Capacity, Proc. of ICIIE 2017, Dubai, UAE (2017.12)
  21. S. Akita, K. Koiwa and K.Z. Liu: An Algebraic Online Parameter Estimation Method with Novel Update Strategy for The Four-Quadrant Vector Control of Induction Motors, Proc. of ICIIE 2017, Dubai, UAE (2017.12)
  22. M. Wakaiki, T. Zanma, K.Z. Liu: Quantized output feedback stabilization by Luenberger observers, Proc. of IFAC WC 2017, Toulouse, France (2017. 7)
  23. K. Koiwa, K. Suzuki, K.Z. Liu, J. Tamura, M. Wu: H∞ Control Approach to the Minimization of Energy Capacity of Energy Storage System, Proc. of CCC 2017, pp. 10584-10587, Dalian, China (2017. 7)
  24. S. Akita, K. Koiwa, K.Z. Liu, T. Yoshida, Y. Tadano, M. Nomura, M. Wu: An Online Parameter Estimation Method for the Four-Quadrant Vector Control of Induction Motors Based on UKF, Proc. of CCC 2017, pp. 3349-3352, Dalian, China (2017. 7)
  25. S. Shimonomura, K.Z. Liu, T. Akiyama, T. Yamaguchi, Y. Tadano, M. Nomura, M.Wu: A Passivity Based Robust Design Method for The Control of Engine Benches, Proc. of CCC 2017, pp.3194-3197, Dalian, China (2017. 7)
  26. H. Haraike, S. Nugroho, K.Z. Liu, M. Wu: Economic Operation of Power System with Large Scale Wind Farms Based on Statistics of Wind Power, Proc. of CCC 2017, pp. 9193-9196, Dalian, China (2017. 7)
  27. G.B. Li, T. Zanma, M. Wakaiki, K.Z. Liu: Design of Networked Control Systems in Consideration of Quantization Error and Chnnel Capacity, Proc. of CCC 2017, pp. 7837-7840, Dalian, China (2017. 7)
  28. D. Hashimoto, T. Zanma, M. Wakaiki, K.Z. Liu: Estimation of Network Traffic Status for Networked Control Systems with Data Dropout and Its Control, Proc. of CCC 2017, pp. 7793-7796, Dalian, China (2017. 7)
  29. S. Takayasu, T. Zanma, M. Wakaiki, K.Z. Liu: Stability and Performance Analysis of Receding Horizon Quantizer in Single-Input System, Proc. of CCC 2017, pp. 7783-7786, Dalian, China (2017. 7)
  30. Y. Takagi, K. Kenta, T. Zanma, M. Wakaiki, K.Z. Liu: Electrical angle estimation of rotor for PMSM in model predictive current control, Proc. of CCC 2017, pp. 4614-4617, Dalian, China (2017. 7)
  31. S. N. Christian, K.Z. Liu: Online wavelet based control of hybrid energy storage systems for smoothing wind farm output, Proc. of IECON 2016, Firenze, Italy (2016.10)
  32. M. Watanabe, K. Koiwa and K.Z. Liu: New optimization method for the smoothing of wind farm output by using kinetic energy, Proc. of IECON 2016, Firenze, Italy (2016.10)
  33. A. Tokunaga, T. Zanma and K.Z. Liu: Optimal dynamic quantizer and input in quantized feedback control system, Proc. of IECON 2016, Firenze, Italy (2016.10)
  34. S. Fujisawa, T. Zanma and K.Z. Liu: Optimal plant data transmission in networked control systems, Proc. of IECON 2016, Firenze, Italy (2016.10)
  35. Y. Takagi, S. Tozawa, K. Koiwa, T. Zanma, M. Wakaiki, K.Z. Liu, Y. Aoki, H. Yoshida and M. Fujitsuna: Electrical angle estimation of rotor for PMSM in model predictive current control, Proc. of ICEMS 2016, Makuhari, Japan (2016)
  36. Sho Shimonomura, Kang-Zhi Liu, Takao Akiyama, Yugo Tadano and Masakatsu Nomura: A Passivity Based Robust Design Method for The Control of Engine Benches, Proc. of CCC2016, Chengdu (2016.07)
  37. Watanabe Mizuki, Kenta Koiwa and Kang-Zhi Liu: An Optimization Approach to The Fluctuation Control of Wind-Farm Output, Proc. of CCC2016, Chengdu (2016.07)
  38. Enkhtuvshin Munkhbayasgalan, Kang-Zhi Liu and TADANAO ZAMMA: A New Peak-Cut Method for Smart Grid, Proc. of CCC2016, Chengdu (2016.07)
  39. Kenta Koiwa and Kang-Zhi Liu: Design of Battery Capacity and Control System Based on the Frequency Characteristics of Power System, Proc. of CCC2016, Chengdu (2016.07)
  40. Munkhbayasgalan Enkhtuvshin, Kang-Zhi Liu, and Tadanao Zanma: Economic Operation of Smart Grid Based on The Statistics of Renewable Energy, Proc. of IEEE ISGT Asia 2015, CD-ROM, Bangkok (2015.11)
  41. Kang-Zhi Liu, Masao Ono and Xiaoli Li: Revisiting The Robust Performance Problem, Proc. of SICE2015, pp.650-653, Hangzhou (2015.07)
  42. Kang-Zhi Liu, Masao Ono and Xiaoli Li: A Positive Real Method for Robust Performance Design Problem from An Input-Output Signal Approach, Proc. of SICE2015, pp.654-659, Hangzhou (2015.07)
  43. Tomo Inafuku and Kang-Zhi Liu: Improvement of power system’s transient stability with a saturation control method, Proc. of SICE2015, pp.1082-1085, Hangzhou (2015.07)
  44. Kang-Zhi Liu, Msashi Yokoo and Keiichiro Kondo: Direct vector control of induction motors based on independent estimation of resistance and flux, Proc. of ASCC2015, Kota Kinabalu (2015.06)
  45. Satoshi Tozawa, Tadanao Zanma, Kang-Zhi Liu, Yasuaki Aoki and Hideji Yoshida: Model predtictive current control for PMSM considering trade-off between current ripple and number of switching operations, Proc. of ASCC2015, Kota Kinabalu (2015.06)
  46. Koki Hoshikawa, Tadanao Zanma, Noriaki Ogura, Kang-Zhi Liu: Optimal formation control of two-wheeled vehicles using model predictive control, Proc. of ASCC2015, Kota Kinabalu (2015.06)
  47. T. Shiratori, T. Zanma and K.Z. Liu: Tracking control of optimal quantization feedback control systems with variable discrete quantizer, Proc. of IECON 2016, pp.4818-4823 (2014)
  48. T. Zanma, Y. Yasumura and K.Z. Liu: Model predictive current control for PMSM considering number of switching operations, Proc. of IPEC 2014 - ECCE ASIA, Hiroshima, pp.3568-3573 (2014)
  49. T. Mori, Y. Kawamura, T. Zanma and K.Z. Liu: Compensation of networked control systems with time-delay, Proc. of IEEE AMC 2014, pp.752-757 (2014)
  50. Takafumi Nori, Kang-Zhi Liu and Tadano Zanma: Advanced Torque Control for An Engine Bench System, Proc. of CCC2014, pp.8042-8046, Nanjing (2014.07)
  51. Tomo Inafuku and Kang-Zhi Liu: Application of A Saturation Control Method to The Transient Stabilization of Power Systems, Proc. of CCC2014, pp.2316-2319, Nanjing (2014.07)
  52. Yuping LIU, Kang-Zhi Liu, Xiaofeng Yang: Hysteresis Compensation Control for Reluctance Actuator Force Using Neural Network, Proc. of CCC2013, Xian (2013.07)
  53. Kang-Zhi Liu, Keigo Arima, Keiichiro Kondo: Adaptation of Stator and Rotor Resistances for The Vector Control of Induction Motors: A Method Based on Reduced Order Current Observer, Proc. of CCC2013, Xian (2013.07)
  54. Wei Wang, Kang-Zhi Liu, Tadanao Zanma: A Gain Scheduled Method for Speed Control of Wind Driven Doubly Fed Induction Generator, Proc. of 2013 Power and Energy Engineering Conference, Sanya (2012.12)
  55. Kang-Zhi Liu, Yu Yao: Positive Real Method for Robust Control Problems, Proc. of CCC2012, Hefei (2012.07)
  56. Kang-Zhi Liu, Y. Yokozawa: An MPC-PI approach for buck DC-DC converters and its implementation, Proc. of IEEE ISIE’2012, pp.171-176 (2012.5), Hangzhou (2012.05)
  57. H. Kinoshita, K.Z. Liu, A. Zaharin and Y. Yokozawa: High performance algorithms for the control and load identification of boost DC-DC converters, Proc. of IEEE VPPC 2010, France (2010.9)
  58. K.Z. Liu and B. Shirnen: Neo-robust control theory for factorized uncertainty, Proc. of IEEE CDC-CCC, pp.650-655 (2009.12)
  59. K.Z. Liu, K. Kondo and Y. Sato: A Constrained Optimization Based Torque Control Approach For Inverter-Fed Induction Motors, Proc. of ICEMS2009, CD-ROM (2009.11)
  60. K.Z. Liu: A constrained optimization based approach to the control of inverters, Proc. of IEEE IECON2009, pp.19-24 (2009.11)
  61. K.Z. Liu: A Constrained Optimization Approach to The Control of Inverters: Beyond the PWM technique, Proc. of ICCAS-SICE 2009, pp.976-981 (2009.8)
  62. K.Z. Liu and H. Kobayashi: Neo-Robust Control Theory (Part I): Uncertainty Model and Robust Stability Analysis, Proc. of ASCC 2009, pp.802-807 (2009.8)
  63. K.Z. Liu and H. Kobayashi: Neo-Robust Control Theory (Part II): Analysis of Robust Sensitivity and Robust Bandwidth, Proc. of ASCC 2009, pp.808-813 (2009.8)
  64. K.Z. Liu: An experimental comparison of nonholonomic control methods, Proc. of ICINCO’09, pp.208-213 (2009.7)
  65. R. He, K.Z. Liu and S. Mei: LPV modeling and gain-scheduled control approach for the transient stabilization of power systems, Proc. of IEEE ICIEA’09, pp.29-34 (2009.5)
  66. A. Zaharin Ahmad and K.Z. Liu: A new model predictive control approach to the DC-DC converters based on combinatory optimization, Proc. IECON 2008, pp.460-465 (2008.11)
  67. A. Zaharin Ahmad and K.Z. Liu: A new model predictive control approach to the DC-DC converters based on combinatory optimization, Proc. SICE 2008, pp.1323-1328 (2008.9)
  68. K.Z. Liu: Neo-robust control theory: how to make use of the phase information of uncertainty, Proc. of 2008 IFAC world conference, pp.5962-5968 (2008.7)
  69. D. Akasaka and K.Z. Liu: Nonlinear output control for linear systems with input saturation, Proc. of 2008 IFAC world conference, pp.15154-15159 (2008.7)
  70. K.Z. Liu and H.J. Guo: Optimal switching control for inverters: A dynamic combinatorial optimization approach, Proc. of IEEE ICIT2008, CD-ROM (2008.4)
  71. D. Akasaka and K.Z. Liu: Nonlinear feedback control for a class of on-off control systems: An approach based on analytic solution of PDE’s, Proc. of IEEE CDC’2007, pp.86-91 (2007)
  72. D. Akasaka and K.Z. Liu: Sliding mode free analysis for linear systems with discontinuous on-off type actuators, Proc. of IEEE CDC’2007, pp.3227-3232 (2007)
  73. K.Z. Liu: Beyond the small-gain paradigm: How to make use of the phase information of uncertainty, Proc. of SICE’2007, pp.421-426 (2007.9) [SICE’2007 International Award受賞論文]
  74. K.Z. Liu: Beyond the small-gain paradigm: How to make use of the phase information of uncertainty, Proc. of CCC’2007, pp.627-631 (2007.7)
  75. K.Z. Liu and M. Horii: An experimental comparison of nonholonomic control methods: Automatic parking benchmark, Proc. of ECC’2007, pp.2039-2044 (2007.7)
  76. D. Akasaka and K.Z. Liu: Stabilization of a class of on-off control systems by nonlinear state feedback, Proc. of ECC’2007, pp.667-672 (2007.7)
  77. D. Akasaka and K.Z. Liu: Stability Analysis of A Class of On-Off Feedback Systems in Filippov Framework, Proc. of CDC’2006, pp.6253-6258 (2006.12)
  78. M.Q. Dao and K.Z. Liu: Development of A Practical Automatic Parking Technology for Automobiles, Proc. of CDC’2006, pp.1727-1732 (2006.12)
  79. R. He, K.Z. Liu, S. Mei and X. Gui: A Gain-Scheduled Approach To The Transient Stabilization Of Power Systems, Proc. of SICE-ICCAS2006, pp.6047-6052 (2006.10)
  80. M.Q. Dao and K.Z. Liu: Development of a practical automatic parking technology for automobiles, Proc. of the 25th CCC, pp.2159-2164 (2006.8)
  81. R. He, K.Z. Liu, S. Mei and X. Gui: A gain-scheduled state feedback control method for the transient stability control of a single-machine infinite-bus power system, Proc. of the 25th CCC, pp. 2147-2152 (2006.8)
  82. D. Akasaka, Kang-Zhi Liu: Synthesis and stability analysis of a class of on-off feedback systems, Proc. of the 6th WCICA, pp.173-177 (2006.6)
  83. Kang-Zhi Liu: A new framework for adaptive control of linear systems: An adaptive robust control approach. Proc. of CDC-ECC’2005, , pp.137-142 (2005)
  84. R. He, K.Z. Liu and O. Saito: Nonlinear Output Feedback Control of A 5DOF AMB System, Proc. of IFAC World Conference 2005 (2005)
  85. K.Z. Liu, M.Q. Dao and T. Inoue: Theory and Experiments on Automatic Parking Systems, Proc. of the 8th International Conference on Control, Automation, Robotics and Vision, pp. 861-866 (2004)
  86. M.Q. Dao, K.Z. Liu and A. Ogata: Development of Auto-Parking Systems for 4-Wheeled Automobiles: Theory and Experiments, Proc. of IFAC NOLCOS 2004, pp. 1223-1228 (2004)
  87. T. Inoue, M.Q. Dao and K.Z. Liu: Development of an auto-parking system with physical limitations, Proc. Of SICE2004, pp.1015-1020 (2004.8)
  88. K.Z. Liu and Rong He: A Simple Derivation of ARE Solutions to The Standard  H∞ Control Problem Based on LMI Solution, Proc. Of the 42nd IEEE Conference on Decision and Control, Maui, pp.1723-1728 (2003)
  89. K.Z. Liu, S. Namiki and H. Ishii: Velocity Control of 2-Mass-Spring Systems with Large Load Uncertainty --An Adaptive Backstepping Control Approach --, Proc. Of the 42nd IEEE Conference on Decision and Control, Maui, pp.3948-3953 (2003)
  90. A. Ogata, Y. Tashiro, K.Z. Liu and O. Saito: A new method to design discontinuous stabilizing controllers for chained systems, Proc. Of the 42nd IEEE Conference on Decision and Control, Maui, pp.5679-5684 (2003)
  91. K.Z. Liu and R. He: A nonlinear output feedback control method for magnetic bearing systems, Proc. Of SICE2003, pp.1838-1843 (2003.8)
  92. Y. Tabata, K. Makiguchi, S. Ouchi and K.Z. Liu: Control of a rotational crane considering anti-sway in the radial direction, Proc. Of SICE2003, pp.2273-2276 (2003.8)
  93. K.Z. Liu: A Piecewise Smooth Switching Control Algorithm for Chained Systems, Proc. of European Control Conference 2003, Cambridge (2003)
  94. K.Z. Liu and Rong He: A Nonlinear Output Feedback Control Method for Magnetic Bearing Systems, Proc. of European Control Conference 2003, Cambridge (2003)
  95. K.Z. Liu and Rong He: A Simple Derivation of ARE Solutions to The Standard H∞ Control Problem Based on LMI Solution, Proc. of European Control Conference 2003, Cambridge (2003)
  96. K.Z. Liu and Rong He: A Nonlinear Output Feedback Control Method for Magnetic Bearing Systems, Proc. of 2003 IEEE Conference on Control Applications (Istanbul) (2003)
  97. K.Z. Liu: A Piecewise Smooth Switching Control Algorithm for Chained Systems, Proc. of 2002 Asian Control Conference, Singapore, pp. 1064-1069 (2002)
  98. K.Z. Liu, S. Ouchi and N. Yamamoto: A Nonlinear Control Approach for Rotary Cranes, Proc. of 2002 Asian Control Conference, Singapore, pp. 687-692 (2002)
  99. K.Z. Liu, A. Ikai and A. Ogata: A Nonlinear Switching Control Method for Magnetic Bearing Systems, Proc. of 2002 IFAC World Conference (CD-ROM), Barcelona (2002)
  100. Y. Tabata, K. Ichise, S. Ouchi and K.Z. Liu: Anti-sway control system of a rotational crane using a nonlinear controller, Proc. Of SICE2002, pp.3060-3065 (2002.8)
  101. J. Fang, G. Gu and K.Z. Liu: Stability analysis for nonlinear feedback control systems with linear actuator, Proc. Of WCICA2002, pp.221-225 (2002.6)
  102. K. Z. Liu and A. Kanehara: Steering control of vehicles by discontinuous control approach, Proc. of 2001 American Control Conf., pp.1521-1526 (2001)
  103. K. Z. Liu and S. Ouchi: Global asymptotic control of rotational crane, Proc. of 2000 Chinese Control Conference (2000)
  104. J. Yanai, M. Murakami, S. Ouchi, K.Z. Liu and Y. Todaka: Anti-sway control system of a rotational crane using the nonlinear controller, Proc. of the 6th International Workshop on Advanced Motion Control, pp.419-422 (2000.3)
  105. K. Z. Liu: A quadratically semi-global control approach for nonlinear systems, Proc. of 1999 IEEE Conf. on Control and Decision,pp. 2477-2478(1999)
  106. K. Z. Liu and T. Sato: LMI solution to singular H2 control problems, Proc. of IFAC World Conference 1999, Beijing (1999)
  107. K. Z. Liu and M. Tanaka: Robust motion control of a unicycle robot, Proc. of MOVIC'98, pp. 907-912, Zurich (1998)
  108. S. B. Villas-Boas and K. Z. Liu: Constraint on steady state output imposed by zeros at s=0 and servo synthesis using unstable weight with application to multi area frequency control of power plants, Proc. of 1998 IEEE Conf. on Control Applications, pp. 1383-1388, Trieste (1998)
  109. K. Z. Liu, M. Hirata and T. Sato: All solutions to the H∞ control synthesis problem with unstable weights, Proc. of the 35th IEEE Conf. on Decision and Control, pp. 4641-4646, San Diego (1997)
  110. S. B. Villas-Boas, T. Mita and K. Z. Liu: Extended H∞ controller applied to frequency control of high power generation system, Proc. of the 35th IEEE Conf. on Decision and Control, pp. 761-766, Kobe (1996)
  111. H. Takeuchi, K. Z. Liu and S. Ohuchi: Velocity control of a mine truck system using rationally scaled H∞ control, Proc. of the 35th IEEE Conf. on Decision and Control, pp. 767-772, Kobe (1996)
  112. K. Z. Liu and T. Ohashi: Analysis of robust tracking performance for a class of uncertain plants with triangular structure, Proc. of the 35th IEEE Conf. on Decision and Control, pp. 4782-4787, Kobe (1996)
  113. K. Z. Liu, H. Zhang and T. Mita: H2 optimal control under comprehensive stability, Proc. of the 13th IFAC World Conference, D-285, San Francisco (1996)
  114. T. Takahashi, T. Matsumura and K. Z. Liu: An approach to robust iterative learning control, Proc. of MOVIC'96, pp. 393-398, Makuhari Messe (1996)
  115. M. Hirata, K. Z. Liu and T. Mita: Solvability Condition of an Extended H∞ Control Problem using Riccati Inequalities, Proc. of the 3rd MOVIC'96, pp. 387-392, Makuhari Messe (1996)
  116. M. Hirata, K. Z. Liu and T. Mita: Solvability Condition of an Extended H∞ Control Problem using Riccati Inequalities, Proc. of the 35th IEEE Conf. on Decision and Control, pp. 4522-4527, (1996)
  117. K. Z. Liu and T. Mita: Parameterization of comprehensive stabilizing controllers and analysis of its structure, Proc. of the 34th IEEE Conf. on Decision and Control, pp. 4108-4113, New Orleans (1995)
  118. K. Z. Liu and T. Mita: A unified stability analysis for regulator and servomechanism problems, Proc. of the 33rd IEEE Conf. on Decision and Control, pp. 4198-4203, Orlando (1994)
  119. S. Mizouchi, H. Takeuchi, M. Maki, K. Z. Liu and T. Mita: Robust control of a saucer-type helicopter, Proc. of the 1st Asian Control Conf., pp. 313-316, Tokyo (1994)
  120. K. Z. Liu and T. Mita: A unified stability theory for linear regulators and servomechanisms, Proc. of the 1st Asian Control Conf., pp. 969-972, Tokyo (1994)
  121. M.Hirata, K.Z. Liu, and T.Mita: Active Vibration Control of a 2-Mass Spring System using μ-Synthesis with Descriptor Form Representation, Proc. of the 3rd International Workshop on Advanced Motion Control, pp. 180-187, Berkeley (1994)
  122. T. Mita, K. Kuriyama and K. Z. Liu: H∞ control with unstable weighting functions -- A design of H∞ robust systems --, Proc. of the 32nd IEEE Conf. on Decision and Control, San Antonio (1993)
  123. K. Z. Liu, T. Mita and Z. H. Luo: Physical explanations of some Hp norms, Proc. of International Symposium MTNS'93, pp. 321-326, Regensberg (1993)
  124. K. Z. Liu and T. Mita: On robust steady state performance of feedback control systems, Proc. of the 31st IEEE Conf. on Decision and Control, pp. 225-230, Tucson (1992)
  125. M.Hirata, K.Z. Liu, T.Mita, and T.Yamaguchi. Head positioning control of a hard disk drive using H∞ theory, Proc. of the 31st IEEE Conf. on Decision and Control, pp. 2460-2461, Tucson (1992)
  126. K. Z. Liu and T. Mita: Generalized H∞ control theory, Proc. of 1992 American Control Conf., pp. 2245-2249, Chicago (1992)
  127. K. Z. Liu and T. Mita: On spectral factorization and Riccati equation, Proc. of 1992 American Control Conf., pp. 1143-1144, Chicago (1992)
  128. K. Z. Liu, T. Mita and H. Kimura: Complete solution to the standard H∞ control problem of discrete time systems, Proc. of the 29th IEEE Conf. on Decision and Control, pp. 1786-1793, Hawaii (1990)
  129. K. Z. Liu and T. Mita: Conjugation and H∞ control of discrete-time systems, Proc. of the 28th IEEE Conf. on Decision and Control, pp. 2309-2315, Tampa (1989)