Professional Activities
Books
Conf Presentation
Journal Papers
Research Projects
Interrelated Links

Ruiqing Zhao, Ph.D.

Institute of Systems Engineering
Tianjin University

Tianjin 300072, China
Fax: +86(22)27404241

Email: zhao@tju.edu.cn
zhaoruiqing@mail.tsinghua.org.cn


Ruiqing Zhao received the M.S. degree in probability theory and statistics from Northern-East Normal University in 1994 and the Ph.D. degree in computational mathematics from Tsinghua University in 2003. His research interests include uncertain theory, game theory, intelligent algorithm and their applications.


Professional Activities

1. Member, Youth Working Committee, Operations Research Society of China (1997-)
2. Member, Operations Research Society of China (1999-)
3. Editorial Board Member, Information (2005-)
4. Reviewer, Mathematical Reviews (2006-)
5. Associate Editor, Journal of Uncertain Systems (2006-)

Books

1. B.Liu, R.Zhao, Stochastic Programming and Fuzzy Programming (in Chinese) Tsinghua Univesity Press, Beijing, 1998.

2. L.Wang, L.Bao, R.Zhao, Probability Theory and Statistics (in Chinese), Science Press, Beijing, 1999.

3. B.Liu, R.Zhao, G.Wang, Uncertain Programming with Applications (in Chinese), Tsinghua Univesity Press, Beijing, 2002.

4. R.Zhao, W.Tang, Redundancy Optimization Problems with Uncertain Lifetimes (Chapter 11, p 329-374) in the book "Computational Intelligence in Reliability Engineering"(Gregory Levitin, Editor), Springer, 2006.

5. R.Zhao, W. Tang, Uncertainty Processes and Its Applications (in Chinese), Lecture Notes, 2006.

Conference Presentations

1. R.Zhao, B.Liu, Uncertain Programming: Models and Algorithms (in Chinese), Proceedings of the Second National Youth Conference of Operations Research and Management(Space Navigation Press, Beijing), Zhengzhou, China, 163-169, November 26-28, 1997.

2. B.Liu, R.Zhao, Development of Intelligent Technique and Chance of Fuzzy Programming (in Chinese), Proceedings of the Ninth National Conference of Theory and Applications of Fuzzy Systems (Hebei University Press), Hebei, China, 699-702, August 9-14, 1998.

3. R.Zhao, Uncertain Programming: Actuality and Future (invited talk, in Chinese), Proceedings of the Sixth National Conference of Operations Research Society of China (Global-Link Publishing Company, Hong Kong), Changsha, China, 255-263, October 8-12, 2000.

4. R.Zhao, J.Zhu, The Optimization Theory of System Reliability in Various Uncertain Environments (in Chinese), Proceedings of the Fourth National Youth Conference of Operations Research and Management (Global-Link Publishing Company, Hong Kong), Beijing, Huairou, 7-13, September, 2001.

5. R.Zhao, B.Liu, Redundancy Optimization Models for Complex Systems, Proceedings of 5. the second Asia-Pacific Conference on Genetic Algorithms and Applications, Hong Kong, 342-349, 2000.

6. R.Zhao, K.Song, and J.Zhu, Redundancy Optimization Problems with Fuzzy Random Lifetimes, Proceedings of the Tenth IEEE International Conference on Fuzzy Systems, Melbourne, Australia, December 2-5, 2001, 288-291.

7. R.Zhao, K.Song, and J.Zhu, Block Replacement for Multi-Component System with Fuzzy Lifetimes, Proceedings of the 11th IEEE International Conference on Fuzzy Systems, Hawaii, USA, May 12-17, 2002.

8. R.Zhao, B.Liu, Renewal Process with Fuzzy Interarrival Times and Costs, Proceedings of the Second International Conference on Information, July 24-27, 2002, Beijing, China, 139-143.

9. R.Zhao, K.Song, A Hybrid Intelligent Algorithm for Reliability Optimization Problems, Proceedings of the 12th IEEE International Conference on Fuzzy Systems, St. Louis, MO, USA, May 25-28, 2003.

10. R.Zhao, W.Tang, H. Yun, Fuzzy Renewal Process, Fuzzy Renewal Reward Process and Their Applications, Proceedings of the 13th IEEE International Conference on Fuzzy Systems, Budapest, Hungary, July 25-29, 2004, 739-743.

11. Y. Zhang, R. Zhao, Y. Ning, A SPSA Algorithm for Solving Fuzzy Random Expected Value Models, Proceedings of the 14th IEEE International Conference on Fuzzy Systems.

12. R.Zhao, W.Tang, H. Yun, An Overview on the Results of Fuzzy Random Renewal Processes, The 4th IASTED International Conference on Modelling, Simulation, and Optimization, Kauai, Hawaii, USA, August 17-19, 2004, 139-142.

13. R. Wu, W. Tang, R. Zhao, An Efficient Algorithm for Fuzzy Web-Mining, The 2004 IEEE International Conference on Information Reuse and Integration (IEEE IRI-2004), November 8-10, 2004, Las Vegas, Nevada, USA.

14. H. Wang, R. Zhao, Y. Ning. A SPSA Algorithm for Solving Chance-Constrained Programming in Fuzzy Random Environments. The Fifth IASTED International Conference on Modelling, Simulation, and Optimization.

15. R. Zhao, W. Tang, G. Li, A Theorem for Fuzzy Random Alternating Renewal Processes, Lecture Notes in Artificial Intelligence, 3613, 2005, 340-349.

16. L. Xu, R. Zhao, T. Shu, Three Equilibrium Strategies for Two-Person Zero-Sum Game with Fuzzy Payoffs, Lecture Notes in Artificial Intelligence, 3613, 2005, 350-354.

17. S. Xu, J. Zhang, R.Zhao, Random Fuzzy Age-dependent Replacement Policy, Lecture Notes in Artificial Intelligence, 3613, 2005, 336-340.

18. R. Wu, W. Tang, R.Zhao, Web Mining of Preferred Traversal Patterns in Fuzzy Environment, Lecture Notes in Artificial Intelligence, 3642, 2005, 456-464.

19. L. Xu, R. Zhao, Y. Ning, Two-Person Zero-Sum Matrix Game with Fuzzy Random Payoffs, Lecture Notes in Artificial Intelligence, 4114, 2006, 809–818.

Journal Papers

1. R.Zhao, B. Liu, A Genetic Algorithm for Estimation of Parameters under Partial Order Restrictions, Journal of Systems Science and Systems Engineering, Vol.6, No.3, 363-371, 1997.

2. R.Zhao, K.Iwamura and B.Liu, Chance Constrained Integer Programming and Stochastic Simulation Based Genetic Algorithms, Journal of Systems Science and Systems Engineering, Vol.7, No.1, 96-102, 1998.

3. R.Zhao, Applications of Genetic Algorithm in Statistical Inference, Beijing Mathematics, Vol.4, No.2, 92-100, 1998.

4. R.Zhao, K.Iwamura and B.Liu, A Genetic Algorithm for Multivariate Isotonic Regression, Journal of Information & Optimization Sciences, Vol. 19, No. 2, 273-284, 1998.

5. J.Ren, R.Zhao, L.Bao, Stochastic Optimal Stock Models (in Chinese), Theory and Practice of Systems Engineering, Vol. 9, 14-18, 2000.

6. L.Zhang, J.Ren, R.Zhao, An Multiobjective Linear Fractional Programs with Fuzzy Decisions (in Chinese), Fuzzy Systems and Mathematics, Vol. 15, 85-88, 2001.

7. R.Zhao, B.Liu, Stochastic Programming Models for General Redundancy Optimization Problems, IEEE Transactions on Reliability, Vol. 52, No. 2, 181-191, 2003.

8. R.Zhao, J.Gao, Maintenance Policy for Multi-Component System with Fuzzy Lifetimes, Tsinghua Science and Technology, Vol. 8, No. 1, 49-54, 2003.

9. R.Zhao, W. Li, and W.Tang, Fuzzy Random Block Replacement Policies, Asian Information-Science-Life, Vol. 2, 2003, 1-5.

10. R.Zhao, and B.Liu, Redundancy Optimization Problems with Uncertainty of Combining Randomness and Fuzziness, European Journal of Operational Research, Vol. 157, No. 3, 716-735, 2004.

11. R.Zhao, and B.Liu, Renewal Process with Fuzzy Interarrival Times and Rewards, International Journal of Uncertainty, Fuzziness & Knowledge-Based Systems, Vol.11, 573-586, 2003.

12. R.Zhao, W.Tang, and H.Yun, Random Fuzzy Renewal Process, European Journal of Operational Research, Vol. 169, 2006, 189-201.

13. R.Zhao, B. Liu, Standby Redundancy Optimization Problems with Fuzzy Lifetimes, Computers & Industrial Engineering, Vol.49, 2005, 318-338.

14. R.Zhao, W. Tang, Some Properties of Fuzzy Random Processes. IEEE Transactions on Fuzzy Systems, Vol.14, No.2, 2006, 173-179.

15. Y. Ning, W. Tang, R. Zhao, Multiproduct Aggregate Production Planning in Fuzzy Random Environments, World Journal of Modelling and Simulation, Vol.2, 2006, 33-44.

16. S. Li, R. Zhao, W. Tang, Fuzzy Random Homogeneous Poisson Process and Compound Poisson Process, Journal of Information and Computing Science, 2006, 207-224.

17. S. Li, R. Zhao, W. Tang, Fuzzy Random Delayed Renewal Process and Fuzzy Random Equilibrium Renewal Process, Journal of Intelligent and Fuzzy Systems, 18, 2007, 149 - 156.

18. X. Wang, W. Tang, R. Zhao, Random fuzzy EOQ model with imperfect quality items, Fuzzy Optimization and Decision Making, 2007, 6(2), 139-153.

19. Y. Liu, W. Tang, R. Zhao, Reliability and MTTF of unrepairable systems with fuzzy random lifetimes, IEEE Transactions on Fuzzy Systems,15(5), 2007,1009-1026.

20. L. Cui, R. Zhao, W. Tang, Principal-agent problem in a fuzzy environment, IEEE Transactions on Fuzzy Systems, 15, 2007, 1230-1237 .

21. R. Zhao, W. Tang, C. Wang, Fuzzy Random Renewal Process and Renewal Reward Process, Fuzzy Optimization and Decision Making, 2007, 6(3): 279-295 .

22. J. Wang, R. Zhao, W. Tang, Fuzzy Programming Models for Vendor Selection Problem in a Supply Chain, Tsinghua Science and Technology, Volume 13, Issue 1, February 2008, Pages 106-111.

23. X. Wang, W. Tang, R. Zhao, Fuzzy EOQ inventory models without backordering, Tsinghua Science and Technology, 2007, 12(1):91-96.

24. C. Yi, W. Tang, R. Zhao, A random fuzzy decision approach for R&D project under uncertainty, Information, 2006, 9(6): 821-836.

25. J. Zhang, R. Zhao, W. Tang, Fuzzy Age-Dependent Replacement Policy and SPSA Algorithm Based-on Fuzzy Simulation, Information Sciences,178 (2008) 573–583.

26. F. Xue, W. Tang, R. Zhao, The Expected Value of Function of Fuzzy Variable with Continuous Membership Function, Computers and Mathematics with Applications, 55(6), 2008, 1215-1224.

27. R. Guo, R. Zhao, X. Li, Reliability Analysis Based on Scalar Fuzzy Variable , Journal of Economic Quality Control, Vol. 22 (2007), No 1, pp50-70.

28. T. Huang, R. Zhao, W. Tang, Risk Model with Fuzzy random Individual Claim Amount, European Journal of Operational Research 192 (2009) 879–890.

29. C. Wang, W. Tang, R. Zhao, The Continuity and Convexity Analysis of the Expected Value Function of a Fuzzy Mapping, Journal of Uncertain Systems, 2007, 1(2): 148-160.

30. Q. Shen, R. Zhao, W. Tang, Random fuzzy alternating renewal processes. Soft Computing, 13(2):139-147, 2009.

31. C. Zhou, R. Zhao, W. Tang, Two-echelon supply chain games in a fuzzy environment, Computers & Industrial Engineering, 55(2), 2008, 390-405.

32. R. Zhao,W. Tang, Monkey algorithm for global numerical optimization, Journal of Uncertain Systems, Vol.2, No.3, 164-175, 2008.

33. Q. Shen, R. Zhao, W. Tang, Modelling Random Fuzzy Renewal Reward Processes, IEEE Transactions on Fuzzy Systems, 16(5):1379-1385, 2008.

34. S. Li, Q. Shen, W. Tang and R. Zhao.S. Li, Q. Shen, W. Tang and R. Zhao. Random fuzzy delayed renewal processes. Soft Computing, 13(7):681-690, 2009.

35. C. Wang, W. Tang, R. Zhao, Static Bayesian Games with Finite Fuzzy Types and the Existence of Equilibrium,Information Sciences, 2008, to be published.

36. C. Zhang, R. Zhao, W. Tang, Optimal Run Lengths in Deteriorating Production Processes in Random Fuzzy Environments, Computers & Industrial Engineering, 2009, to be published.

Research Projects

1. "Risk Analysis of Rocket Engine's Development and Production", Ministry of Aeronautics and Astronautics Industry of China, 1998-1999.

2."Uncertain Programming: Modelling, Evolutionary Algorithms and Applications", National Natural Science Foundation of China, 1999-2001.

3."Metaheuristics for Solving Large-Scale Uncertain Programming Models", Sino-French Joint Laboratory for Research in Computer Science, Control and Applied Mathematics (LIAMA), 2000-2001.

4."Metaheuristics for Solving Large-Scale Uncertain Programming Models", PRA, China-French Joint Project, Ministry of Science and Technology of China, 2001-2002.
"Uncertain Programming and Hybrid Intelligent Algorithms", Tsinghua Science Foundation, 2002-2003.

5. "Metaheuristics for Solving Large-Scale Uncertain Programming Models", Sino-French Joint Laboratory for Research in Computer Science, Control and Applied Mathematics (LIAMA), 2002.

6."Hybrid Intelligent Algorithms and Applications", State Key Laboratory of Intelligent Technology and Systems, Tsinghua University, 2002-2003.

7."Random Fuzzy Programming and Hybrid Intelligent Algorithms", National Natural Science Foundation of China, 2002-2004.

8."Uncertain Renewal Processes and Its Applications", China Postdoctoral Science Foundation, 2004-2005.

9. "Fuzzy Random Renewal Processes and Its Applications", National Natural Science Foundation of China Grant, 2005-2007.

10. "Fuzzy Random Games and Its Applications", National Natural Science Foundation of China Grant, 2006-2008.

11. "Uncertain Theory, Game Theory, Intelligent Algorithm and their Applications", New Century Excellent Talents in University, 2007-2009.

Interrelated Links

Homepage of Uncertainty Theory Laboratory,TJU
Homepage of Operations Research Society of China ( ORSC )

 
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