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A methodology for calibration of traffic micro-simulator for urban heterogeneous traffic operations

Journal of Traffic and Transportation Engineering(English Edition) 2020年第4期7卷 507-519页

作者： Palak Maheshwary Kinjal Bhattacharyya bhargab maitra Manfred Boltze ARCADIS Bengaluru 560017India Department of Civil Engineering Indian Institute of Technology KharagpurKharagpur 721302India Department of Civil and Environmental Engineering Technische Universitat DarmstadtDarmstadt 64287Germany

Traffic micro-simulation is a widely accepted tool in many countries for the evaluation and assessment of alternative design ***,for several developing countries,replicating heterogeneous,non-lane based traffic in a micro-simulation framework is gaining increased importance and still remains a challenge due to its *** present study demonstrates a methodology to calibrate a traffic micro-simulation model giving due consideration to vehicle-class specific driver behavior in an urban Indian scenario for a midblock section and an intersection approach in *** sensitive parameters affecting the driver behavior were identified for every vehicle type using Latin Hyper cube design,taking vehicle class specific travel time as a performance *** regression models were developed for each vehicle class considering the sensitive driving behavior *** models highlight that the dependency of measure of effectiveness(MOE)of one vehicle type is not only limited to its own driver behavior but also on parameters of other vehicle classes.A genetic algorithm based optimization was adopted to obtain optimal parameter sets for different vehicle *** optimum values were found to vary significantly across all vehicle classes at a 95%confidence *** and multi-criteria calibration principles are also implemented to yield much more realistic results and subsequently minimizing weighted error for all vehicle classes.

关键词： Traffic operation Micro-simulation Heterogeneous traffic Vehicle-class Driver behavior VISSIM

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