A fuzzy set-based approach to origin–destination matrix estimation in urban traffic networks with imprecise data

Les R. Foulds, Hugo A.D. do Nascimento, Iacer C.A.C. Calixto, Bryon R. Hall and Humberto Longo

European Journal of Operational Research, 2013, vol. 231, issue 1, 190-201

Abstract: An important issue in the management of urban traffic networks is the estimation of origin–destination (O–D) matrices whose entries represent the travel demands of network users. We discuss the challenges of O–D matrix estimation with incomplete, imprecise data. We propose a fuzzy set-based approach that utilises successive linear approximation. The fuzzy sets used have triangular membership functions that are easy to interpret and enable straightforward calibration of the parameters that weight the discrepancy between observed data and those predicted by the proposed approach. The method is potentially useful when prior O–D matrix entry estimates are unavailable or scarce, requiring trip generation information on origin departures and/or destination arrivals, leading to multiple modelling alternatives. The method may also be useful when there is no O–D matrix that can be user-optimally assigned to the network to reproduce observed link counts exactly. The method has been tested on some numerical examples from the literature and the results compare favourably with the results of earlier methods. It has also been successfully used to estimate O–D matrices for a practical urban traffic network in Brazil.

Keywords: Traffic; O–D matrix estimation; Successive linear approximation; Linear programming; Fuzzy sets (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:231:y:2013:i:1:p:190-201

DOI: 10.1016/j.ejor.2013.05.012

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