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    Application of generalised regression neural networks in trip distribution modelling

    237656_237656.pdf (493.3Kb)
    Access Status
    Open access
    Authors
    Rasouli, M.
    Nikraz, Hamid
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Rasouli, M. and Nikraz, H. 2014. Application of generalised regression neural networks in trip distribution modelling. Road and Transport Research. 23 (2): pp. 13-25.
    Source Title
    Road and Transport Research
    Additional URLs
    http://search.informit.com.au/documentSummary;dn=805587695517223;res=IELENG
    ISSN
    1037-5783
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/32785
    Collection
    • Curtin Research Publications
    Abstract

    Trip distribution is the second step of the transport modelling process. Errors in this trip distribution step will propagate through the other stages of the transport modelling process and will affect the reliability of the model outputs. Therefore, finding a robust and efficient method for trip distribution has always been an objective of transport modellers. The problem of trip distribution is non-linear and complex. Neural networks (NNs) have been used effectively in different disciplines for solving nonlinear problems. Accordingly, in this paper, a new NN model has been researched to estimate the distribution of the journey to work trips. This research is unique in two aspects: firstly, the training of the model was based on a generalised regression neural network (GRNN) algorithm, while the majority of previous studies have used a backpropagation (BP) algorithm. The advantage of the GRNN model over other feed-forward or feed-back neural network techniques is the simplicity and practicality of the model. The second unique aspect is that the input data for the GRNN model was based on land use data for each pair of zones and the corresponding distance between them, while the previous NN models used trip productions, trip attractions and the distance between a pair of zones as inputs. As a case study, the model was applied to the journey to work trips in the City of Mandurah in Western Australia. The results of the GRNN model were compared with the wellknown doubly-constrained gravity model and the BP model.

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