Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34390
Title: Dynamic estimation of passenger origin-destination matrix for congested transit networks
Authors: Ren, HL
Lam, WHK 
Gao, ZY
Issue Date: 2006
Source: Proceedings of the 11th International Conference of Hong Kong Society for Transportation Studies: Sustainable Transportation, 2006, p. 239-248 How to cite?
Abstract: This paper investigates the problem of estimation of time-dependent passenger origin-destination (O-D) matrices in congested transit networks where real-time updated passenger counts and prior O-D matrices are available. A bi-level programming model is proposed for the dynamic estimation of passenger O-D matrix. The upper level minimizes the sum of error measurements in dynamic passenger counts and time-dependent O-D matrices, and the lower level is a new schedule-based dynamic transit assignment model that can determine simultaneously the dynamic average travel costs and route choices of passengers in congested transit networks. The lower-level problem can be formulated as a variational inequality problem. A heuristic solution algorithm is adapted for solving the proposed bi-level programming model. Finally, a numerical example is used to illustrate the applications of the proposed model and solution algorithm.
Description: 11th International Conference of Hong Kong Society for Transportation Studies: Sustainable Transportation, Kowloon, 9-11 December 2006
URI: http://hdl.handle.net/10397/34390
ISBN: 9889884704
9789889884703
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