Refereed Conference Publications

  1. ``Deniable Authentication Protocol Resisting Man-in-the-Middle Attack'', Proceedings of International Conference on Information Technology 2004 17th-19th December 2004 Istanbul, Turkey.

  2. "Automatic Parameter Selection for Eigenfaces", Proceedings of 6th International Conference on Optimization Techniques and Applications held in Melbourne, Dec. 2004.

  3. "The Decomposition Algorithm of AFS Structure and its Applications to Failure Diagnosis", Proceedings of IEEE Conference on Robotics, Automation and Mechatronics held in Singapore in Dec. 2004.

  4. "A Biometric Approach To Linux Login Access Control," To appear in the Proceedings of 2nd of Industrial Optimization Symposium in Australia held in Perth, 2004.

  5. "An efficient identity-based group Signature scheme over Elliptic Curves," Proceedings of 3rd European Conference on Multiservice Networks, 2004 held in Porto, Portugal.(Lecture Notes in Computer Science 3262), 417-429, 2004.

  6. "An Immunological Approach to Raising alarms in Video Surveillance", Proceedings of 2004 Pacific Rim Conference on Multimedia held in Japan. K. Aizawa, Y. Nakamura, and S. Satoli (eds.), PCM 2004, LNCS, 3331, pp. 385-393, 2004. Springer-Verlag Berlin Heidelberg 2004.

  7. "Correlation filters for facial recognition login access control", Proceedings of 2004 Pacific Rim Conference on Multimedia held in Japan.K. Aizawa, Y. Nakamura, and S. Satoli (eds.), PCM 2004, LNCS, 3331, pp. 79-87, 2004. Springer-Verlag Berlin Heidelberg 2004.

  8. "Rank Reduction for Matrix Pair and Its Applications for Symmetric Singular Systems", Proceedings of the 5th Asian Control Conference held in Melbourne in Australia in June, 2004. pp. 119-124.

  9. "Infinite-eigenvalue assignment for descriptor systems via state variable feedback", Proceedings of Intelligent Control and Automation, 2004. WCICA, Volume: 2 , June 15-19, 2004 Pages:1022 - 1026.

  10. "$H_{\infty}$ Suboptimal Model Reduction for Singular Systems", Proceedings IEEE American Control Conference in 2004, 30 June - 2 July, 2004, Boston, USA. pp. 119-125.

  11. "Model Reduction of Singular Systems via Covariance Approximation," Proceedings of IEEE American Control Conference in , 30 June - 2 July, 2004, Boston, USA. pp. 90-95.

  12. "Deniable Signature Over Elliptic Curves", Proceedings of IEEE International Performance Computing and Communications Conference, April 15-17, 2004, Phoenix, Arizona, USA, pp. 833-839.

  13. "Application of DCT Technique in facial Recognition", Proceedings of 2nd International Conference on Information Technology and Applications held in Harbin in China 2004, Jan. 7-10.

  14. "A New Approach to $H_{\infty}$ suboptimal model reduction for singular systems," Proceedings of European Control Conference, 1-4, Sept. 2003, University of Cambridge, UK.

  15. "Convex Directions for Nested Hurwitz Polynomials," IEEE Conference on Decision and Control 2003. pp. 6460-6461, Dec. 9-12, 2003, Maui, Hawaii, USA.

  16. " A Learning Approach for Performance Evaluation of a Local Computer Network", {\em IEEE Congress on Evolutionary Computation 2003 held in Canberra in Australia}, 8-12, Dec., 2003.

  17. "Short-term Electricity Price Forecasting using Wavelet and SVM Techniques {\em IEEE Proceedings of the 3rd International DCDIS Conference on Engineering Applications and Computational Algorithms}, 2003, Canada, pp. 372-377. Watam Press, May 15-18, Guelph, Ontario, Canada.

  18. "Recurrent Neural Networks for Time Series Identification and Forecast" Proceedings of 4th Asia Pacific Conference on Simulated Evolution and Learning. Nov. 18-22, 2002. pp. 414-418.

  19. "The maximal stability radius for symmetric singular systems",{\em Proceedings of Japanese Control Conference, 2002, pp. 123-127}

  20. " Lyapunov equations with positive definite solution for descriptor systems," {\em The 4th Asian Control Conference Sept. 25-27, 2002.}, pp. 385-389.

  21. ''Regional Stability and Stabilization for Descriptor Systems,'' {\em The 4th Asian Control Conference (ASCC 2002), September 25-27, 2002}

  22. ''Covariance Control for Descriptor Systems with Uncertainties,'' {\em Proceedings of the 4th Asian Control Conference (ASCC 2002), September 25-27, 2002}

  23. ``A Two-Stage Vector Quantization Approach via Self-Organizing Map``, {\em International Conference on Signal Processing, 2002, Beijing}, pp. 913-916.

  24. ``Image Classification for Quality Compression with Wavelet Filters Based on Image Feature Analysis'', {\em ICSP'02, Beijing}, pp. 921-924.

  25. {\bf W. Q. Liu}, ``$H_{\infty}$ model reduction for Singular Systems'', {\it IEEE Proceedings of American Control Conference}, 2002.

  26. ``A new vector quantization approach via self-organizing map'', {\em Proceedings of the 3rd WSEAS International Conference on Neural Networks and Applications (NNA '02)} pp. 4281-4288.

  27. `` Stability Analysis and design of t-s fuzzy descriptor systems'', {\em Proceedings of IEEE Conference on Decision and Control held in Orlando, 2001}, FrA07-5, pp. 3962-3967.

  28. ``Lyapunov Equations for Stable Singular Systems'', {\em Proceedings of ICOTA2001, HongKong}, pp. 1535-1540.

  29. `` Decentralized Bezout factorization for generalized decentralized control systems'', {\em Proceedings of ICOTA2001, HongKong}, pp. 1549-1556.

  30. `` Lyapunov Approach to the study of Singular Systems, '' {\em Proceedings of IEEE Conference on Decision and Control held in Orlando, 2001}, THA11-1, pp. 2844-2849.

  31. ``Robust stability of polynomials with nonlinear dependent coefficient perturbations'' {\em Proceedings of IEEE Conference on Decision and Control held in Orlando, 2001}, WeA09-3, pp. 1551-1556.

  32. ``Generalized Lyapunov Equations for Stable Singular System'', {\em Proceedings of IEEE Conference on Decision and Control held in Sydney, 2000}

  33. ``Fault-Tolerant Control About Integrity for Descriptor Systems '', {\em Proceedings of IEEE Conference on Decision and Control held in Sydney, 2000}

  34. ``Results for parametric shifted H-infinity performance of weighted interval plants'', {\em Proceedings of IEEE Conference on Decision and Control held in Sydney, 2000}

  35. ``Model reduction for singular systems'', {\em Proceedings of IEEE Conference on Decision and Control held in Sydney, 2000}

  36. ``Nonlinear feedback control on Lorenz chaotic systems,'' {\em Proceedings of Asian Control Conference held in June, Shanghai, 2000}

  37. '' Robust Model reference Control for multivariable linear systems: A parametric Approach, '' {\em IFAC Symposium on Robust Control (Rocond2000) June, Prague, Czech Republic, 1999}

  38. ''Optimization of Host Gate-way Rate Control Protocol for Intranets using ATM ABR Service'', Proceedings of 10th IEEE workshop on local and Metropolitan Area Networks held in Sydney, Nov. 1999. Balanced performance preserving controller reduction, { Proceedings of American Control Conference, June 2-4, 1999, San Diego, CA, USA.}

  39. $L_2$ Model Reduction for Linear Continuous Time-Delay Systems,{ in IFAC world Congress held in Beijing 1999}.

  40. Bounded Real Lemma for Descriptor Systems and Its Application, { IFAC world Congress held in Beijing 1999}.

  41. A new frequency-weighted optimal Hankel norm model reduction and an error bound, { Proceedings of 1998 IEEE Conference on Decision and Control, pp. 2185-2188. }.

  42. $L_2$ Optimal model reduction for discrete time systems with time-delay, { To appear in Proceedings of fifth International Conference on Control, Automation, Robotics and Vision, vol.2, pp. 960-964, 1998.}

  43. Model reduction and H-infinity norm computation for state-space symmetric systems, { Proceedings of 1998 IEEE Conference on Decision and Control, pp. 2196-2200, 1998}

  44. Generalized Karhunen-Loeve Transform, { the Proceedings of of the Fourth International Conference on Optimization Techniques and Applications, Perth, July, 1998. }

  45. On $(p,q)$-Markov Covers for $2-D$ Separable Denominator Systems, { Proceedings of 1998 IEEE International Symposium on Circuits and Systems, pp. MPA 1-4.}

  46. Performance Preserving Controller Reduction via Additive Perturbation of Closed-loop Transfer Function, { Proceedings of 1998 American Control Conference. vol. 1, pp. 623-627. }

  47. Simultaneous Stabilization: A Minmax Approach, { Proceedings of 1998 World Automation Congress held in June, 1998 in Alaska, USA, pp. ISIAC 090.1-090.6.}

  48. Characterization on the global optimal feedback gains for linear time invariant systems, { Proceedings of Control 97, pp. 610-615, Sydney Australia 20-22, October, 1997.}

  49. Frequency weighted identification and model reduction via extended impulse response Grammian, { Proceedings of 1997 International Conference on Decision and Control, pp. 3292-3297.}

  50. Robust control design of nonlinear adaptive systems with unmodelled dynamics, { Proceedings of 1997 International Conference on Decision and Control, pp. 2073-2079.}

  51. A New Frequency Weighted Balanced Truncation Method and An Error Bound, { Proceedings of 1997 International Conference on Decision and Control, pp. 3329-3334.}

  52. Parameterizing All Plants Stabilized by a Controller from Singular Point of View, { Proceedings of 1997 International Conference on Decision and Control, pp. 3170-3172.}

  53. Frequency weighted model reduction via quasi-kalman decomposition, {Proceedings of 1997 European Control Conference Brussels, vol. 4, TH-A-E-4, 1-4 July 1997.}

  54. Model reduction of $2-D$ separable denominator transfer function via Quasi-Kalman Decomposition, {Proceedings of 1997 IEEE International Symposium on Circuits and Systems, pp. 1680-1683, June 9-12, 1997, Hongkong.}

  55. Trade-off between linear quadratic optimal control and robust pole placement, { Proceedings of The second Chinese Congress on Intelligent Control and Intelligent Automation, pp. 1874-1879, 1997, June, Xian, P. R. China.}

  56. A new approach for frequency weighted L2 model reduction of discrete systems, { Proceedings of American Control Conference 1997, vol. 6, pp. 3863-3867.}

  57. Identification and model reduction of 2-D systems via extended impulse response Grammians, { Proceedings of American Control Conference 1997, vol. 6, pp. 3567-3571.}

  58. Normalized coprime factorization for singular systems, { Proceedings of American Control Conference 1997, vol. 4, pp. 2125-2126. }

  59. A Gradient Flow Approach to Frequency Weighted Model Reduction,{Proceeding of $13$th World Congress of International Federation of Automatica Control (IFAC), 1996, Vol. D, pp. 381-386. San Francisco, USA.}

  60. A Gradient method for computing the optimal control of multichannel control systems, { Proceedings of the Third International Conf. on Optimization Techniques and Applications. Chengdu, China, June, 1995, vol. 1, pp. 725-733.}

  61. Identification/Reduction to a balanced realization via extended impulse grammians, { Proceedings of 34th Conference on Decision and Control, vol. 3, pp. 3080-3085, 1995.}

  62. A Proof for a conjecture and Its Applications, { Proceeding of $13$th World Congress of International Federation of Automatica Control (IFAC), 1996, Vol. L, pp. 103-108, San Francisco, USA}

  63. Initial jumps for singular systems in connection with optimal LQ feedback gains, { Proceedings of Conference on Decision and Control, Kobe, Japan 1996, vol. 1, pp. 994-996.}

  64. Minimization of initial jumps for singular systems subject to closed-loop stability, { Proceedings of the Third International Conference on Automation, Robotics and Computer Vision, 1994, Singapore, vol. 2, pp. 1258-1262.}

  65. Initial and transient response improvement for singular systems, { Proceedings of American Control Conference 1995, vol. 5, pp. 3405-3409}

  66. A frequency domain approach to control of singular systems, { Proceedings of 33rd Conference on Decision and Control, December, 1994. vol. 2, pp. 996-1001.}

  67. The design and application of expert intelligent control system in production process of benzene, {Proceedings TENCON'93. 1993 IEEE Region 10 Conference on Computer Communication, Control and Power Engineering,} Beijing, China 19-21 Oct. 1993, pp. 357-360, vol. 4.

  68. A necessary condition for stabilization of singular decentralized control systems, { Proceedings of the Control Theory and Application Conference for Young Scholars, Lanzhou,} vol. 2, pp. 54-62. 1987.

  69. A new method of adaptive control, {Proceedings of Chinese Control Theory and Applications}, vol. 2, pp. 247-250, 1993, Wuhan.

  70. Decentralized control of singular systems with direct control feed-through, { Proceedings of the Third International Conference on Automation, Robotics and Computer Vision,} 1994, Singapore, vol. 2, pp. 1263-1267.

  71. A new method for the coordination control of two robot arms, { Proceedings of the Second International Conference on Automation, Robotics and Computer Vision}, 1992, Singapore, pp. RO-3.8/1-5, vol. 3.

  72. Decentralized control of singularly perturbed decentralized systems with direct feed-through, { Proceeding of $12$th World Congress of International Federation of Automatica Control (IFAC),} Sydney, 1993, vol. 1, pp. 513-516.