H. Michael Zhang
Professor

Civil and Environmental Engineering,
and The Institute of Transportation Studies

Phone (530)754-9203,
Fax (530)752-7872

E-mail: hmzhang@ucdavis.edu

Academic Appointments:

  • Professor, Civil and Environmental Engineering, University of California, Davis, July  2005
  •  Associate Professor, Civil and Environmental Engineering, University of California, Davis, July 2001
  • Assistant Professor, Civil and Environmental Engineering, University of California, Davis, July 1998
  • Assistant Professor, Civil and Environmental Engineering and Public Policy Center, The University of Iowa, August 1995--June 1998

Professional Activities

  • Area Editor (traffic flow theory), Journal of Networks and Spatial Economics (2000-)
  • Associate Editor, Transportation Research, Part B: Methodological (2002-)
  • Editorial Advisory Board, Traffic Engineering and Control (2000-2002)
  • Member, Committee on Traffic Flow Theory and Characteristics, Transportation Research Board, National Research Council (1998-)

Honors and Awards

  • CKS Professor, School of Transportation Engineering, Tongji University, Shanghai, China, October 2003
  • CAREER AWARD, National Science Foundation, 2000
  • Old Gold Fellowship, The University of Iowa, 1996.
  • University of California Regents Fellowship, 1993-1994

Publications

Books and book chapters

Zhang, H. M.(2001). Guest Editor, Special Issue on Traffic Flow Theory, Vol. 1&2, Journal of Networks and Spatial Economics.

Zhang, H. M (Co-authored with R. Kuhne and P. Michalopoulos). Chapter 3. Continuum flow models, in Monograph on Traffic Flow Theory , 3rd edition.

Referred journal and conference articles

H.M. Zhang and S.G. Ritch
"A Real-Time Decision-Support System for Freeway Management and Control
ASCE Journal of Computing in Civil Engineering, pp. 35-51, 1994.

H.M. Zhang, S.G. Ritchie, and W.W. Recker
"Some General Results on the Optimal Ramp Control Problem"
Transportation Research, C, Vol. 4, No. 2, pp. 51-69, 1996.

H.M. Zhang, S.G. Ritchie, and Z-P. Lo
"Macroscopic Modeling of Freeway Traffic Using an Artificial Neural Network"
Transportation Research Record 1588, pp. 110-119, 1997.

H.M. Zhang and S.G. Ritchie
"Freeway Ramp Metering Using Artificial Neural Networks"
Transportation Research, C, Vol. 5, No. 5, pp. 273-286, 1997.

H.M. Zhang
"A Theory of Non-equilibrium Traffic Flow"
Transportation Research, B, Vol. 32, No. 7, pp. 485-498, 1998. (was In Press #2 at Appointment)

H.M. Zhang
"A Mathematical Theory of Traffic Hysteresis"
Transportation Research, B, Vol. 33, No. 1, pp. 1-23, 1999.

H.M. Zhang
"Analysis of the Stability and Wave Properties of a New Continuum Traffic Theory
Transportation Research, B,. Vol. 33, No. 6, pp. 399-415.

H.M. Zhang and W.W. Recker
"On Optimal Freeway Ramp Control Policies for Congested Traffic Corridors"
Transportation Research, B, Vol. 3, No. 6, pp. 417-436, 1999.

H.M. Zhang and T. Wu
"Numerical Simulation and Analysis of Traffic Flow"
Transportation Research Record 1678, pp. 251-260, 1999.

H.M. Zhang
"Link-Journey-Speed Model for Arterial Traffic"
Transportation Research Record 1676, pp. 109-115, 1999.

H.M. Zhang
"Phase Transitions in Nonequilibrium Traffic Theory"
ASCE Journal of Transportation Engineering, Vol. 126, No. 1, pp. 1-12, 2000.

H.M. Zhang
"Structural Properties of Solutions Arising from a Nonequilibrium Traffic Flow Theory"
Transportation Research, B, Vol. 34, pp. 583-603, 2000.

H.M. Zhang and T. Kim
"Effects of Relaxation and Anticipation on Riemann Solutions of the PW Model: A Numerical Investigation."
Transportation Research Record, No. 1710, 131-135. 2000.

Zhang, H. M.
"A Note on Highway Capacity"'
Transportation Research, B. 35, 929-937, 2000.

Zhang, H. M., Ritchie, S. G. and R. Jayakrishnan
"Coordinated Traffic-Responsive Ramp Control via Nonlinear State Feedback",
Transportation Research, C. 9. 337-352, 2001.

Zhang, H. M.
"Recursive Prediction of Traffic Conditions with Neural Network Models"
ASCE Journal of Transportation Engineering. Vol 126, No. 6, 472-481, 2001.

Zhang, H. M.
"A Finite Difference Approximation of a Non-Equilibrium Traffic Flow Model"
Transportation Research -B. 35, 337-365, 2001. (was IP# 5 last review)

H.M. Zhang
"New Perspectives on Continuum Traffic Flow Models"
Special Issue on Traffic Flow Theory, Journal of Networks and Spatial Economics, Vol. 1, 9-33, 2001.

T. Li and H. M. Zhang
"The Mathematical Theory of an Enhanced Nonequilibrium Traffic Flow Model"
Special Issue on Traffic Flow Theory, Journal of Networks and Spatial Economics, Vol. 2, 167-177.

H. M. Zhang
"A Non-Equilibrium Traffic Model Devoid of Gas-like Behavior"
Transportation Research -B 36 275-290. 2002.

H. M. Zhang and W. Lin
"Some Recent Developments in Continuum Vehicular Traffic Flow Theory"
Proceedings of the 15th International Symposium on Transportation and Traffic Theory. 607-624. 2002.

H. M. Zhang
"On the Consistency of a Class of Traffic Flow Models"
Transportation Research -B, vol 37, 2003. 101-105

H. M. Zhang
"Anisotropic Property Revisited-Does it Hold in Multi-Lane Traffic?"
Transportation Research -B, vol 37, 2003.561-577
Zhang, H. M.
"Driver Memory, Traffic Viscosity and a Viscous Traffic Flow Model"
Transportation Research -B, vol 37, 2003. 27-41

W. L. Jin and H. M. Zhang
"The Formation and Structure of Vehicle Clusters in the Payne-Whitman Traffic Flow Model"
Transportation Research -B, vol 37, 2003. 207-223

H. M. Zhang and W.-H. Lin
"Some Recent Developments in Traffic Flow Theory"
2001 IEEE Intelligent Transportation Systems Proceedings. 548-553.

H. M. Zhang, R. Jayakrishan and W. Recker
"An Optimization Algorithm for Freeway Traffic Control"
2001 IEEE Intelligent Transportation Systems Proceedings, 100-105.

W. L. Jin and H. M. Zhang
"On the Distribution Schemes for Determining Flows through a Merge"
Transportation Research -B, 2003, vol 37, issue 6, 521-540

Y. E. Ge, H. M. Zhang and W. H. K. Lam
Ba1 "Network Reserve Capacity under the Influence of Traveler Information"
Journal of Transportation Engineering, Vol. 129, No. 3, 262-270. May 1, 2003.

W. L. Jin and H. M. Zhang
"The Inhomogeneous Kinematic Wave Traffic Flow Model as a Resonant Nonlinear System"
Transportation Science 2003 Vol. 37, No. 3, August 2003, 294-311

Zheng, B. Wang, H. M. Zhang and D. Niemeier
"Bicubic Spline Interpolation Approach to the Development of Spatial Allocation Factors for Zone-Level Mobile Source Emissions"
Transportation Research Part B 38 (2004) 751-766

H. M. Zhang and W. L. Jin
Ca1 "A Kinematic Wave Traffic Flow Model for Mixed Traffic"
Transportation Research Record (TRR), 1802: 197-204. 2002

Yu, Nie, H. M. Zhang and D-H Lee
"Models and Algorithms for the Traffic Assignment Problem with Link Capacity Constraints"
Transportation Research, B. Volume 38, 285-312. 2004.

W. L. Jin and H. M. Zhang
"Nonequilibrium Continuum Traffic Flow Model with Frozen Sound Wave Speed,"
Transportation Research Record, No. 1852. 183-192. 2003.

H. M. Zhang and Y. E. Ge
"Modeling Variable Demand Equilibrium under Second-Best Road Pricing"
Transportation Research, B. Vol 38, 733-749. 2004.

L. Chu, H. X. Liu, W. Recker, and H. M. Zhang
"Performance Evaluation of Adaptive Ramp Metering Algorithms"
Journal of Transportation Engineering, Vol. 130, No. 3, 330-338. May 1, 2004.

Reports

H.M. Zhang
"Real-Time Optimal Control of Freeway Traffic"
Final Report to Carver Foundation, 1998.

H.M. Zhang and T. Kim
"Modeling Traffic Flow in Yosemite National Park"
Institute of Transportation Studies, University of California, Davis, 1999.

H.M. Zhang and W.L. Jin
"Evaluation of Range Control Algorithms"
Interim Report to Path/Caltrans.

Lisa A. Schweitzer, David J. Forkenbrock, H. Michael Zhang, Micahel R. Crum
"Highway Performance and Time-Sensitive Industries"
Report to Iowa Department of Transporation, Public Policy Center, University of Iowa, 1998

Michael Zhang, Taewan Kim, Xiaojian Nie, Wenlong Jin, Lianyu Chu, and Will Recker "Evaluation of Range Control Algorithms"
California PATH Research Report UCB-ITS-PRR-2001-36. 2001.

W. L. Jin and H. M. Zhang
"Solving the Payne-Whitham traffic flow model as a hyperbolic system of conservation laws with relaxation"
Technical Report UCD-ITS-Zhang-2001-1, 2001.

H. M. Zhang and X. J. Nie*
"Some consistency conditions for dynamic traffic assignment Problems"
Technical Report UCD-ITS-Zhang-2002-1, 2002. (NETS)$

X. J. Nie and H. M. Zhang*
"The Delay-Function-Based Link Models: their properties and computational issues"
Technical Report UCD-ITS-Zhang-2002-2, 2002. (TR)$

X. J. Nie and H. M. Zhang**
"A comparative study of some macroscopic link models used in dynamic traffic assignment"
Technical Report UCD-ITS-Zhang-2002-3, 2002. (NETS)$ -

W. L. Jin and H. M. Zhang*
"An instantaneous kinematic wave theory of diverging traffic,"
Technical Report UCD-ITS-Zhang-2003-1, 2003. (TS)

W. L. Jin and H. M. Zhang*
"A kinematic wave simulation model of network traffic flow,"
Technical Report UCD-ITS-Zhang-2003-2, 2003. (TRR)$ -

T. W. Kim and H. M. Zhang*
"A stochastic propagation model of vehicular traffic waves,"
Technical Report UCD-ITS-Zhang-2003-3, 2003. (TR)

Y. Nie, H. M. Zhang, W. W. Recker
"Equilibrium-based O-D Estimation Using a Constrained Generalized Least Squares Path Flow Estimator,"
Technical Report UCD-ITS-Zhang-2003-4, 2003.

X. Nie and H. M. Zhang
"Solving Dynamic User-Equilibrium Traffic Assignment Problems: A Comparative Study of Six Path-based Algorithms,"
Technical Report UCD-ITS-Zhang-2003-5, 2003.

X. Nie and H. M. Zhang
"The Point Queue Model: Properties, limitations and its applications in DTA problems,"
Working paper, 2003.

X. Nie and H. M. Zhan
"Extensions of the Point Queue Models considering spillback and nodal dynamics,"
Working paper, 2003.

X. Zhang, H. Huang, H. M. Zhang
"Daily commuting patterns under road tolls and parking charges in a linear city,"
Working Paper, 2004.

Invited Talks

  1. "Some new developments in traffic flow theory, " Civil and Environmental Engineering, University of Texas at Austin, Feb. 2000.

  2. "The mathematical properties of a nonequilibrium traffic theory and their physical implications," Institute of Transportation Studies, University of California at Berkeley, Sept. 1998.

  3. "Dense traffic flow and its mathematical models," Department of Mathematics, University of Iowa, April 1998.

  4. "A new look at two mathematical models of traffic flow," Department of Civil Engineering, The University of Hong Kong; Institute of Transport Studies, The Hong Kong University of Science and Technology and Hong Kong Society for Transportation Studies. Sept. 5, 2002

  5. "Traffic off equilibrium: mathematical models and physical implications," Mathematics Section of the American Association for the Advancement of Science (AAAS), 2003 AAAS meeting, Denver, Colorado. February 13-18, 2003 (joint with Tong Li, University of Iowa).