Keywords: passenger distribution, light rail vehicle, running behaviour.

Simulation analyses of trams assume most often the extreme options of loads: an empty vehicle, maximum load as well as overcrowding of the vehicle. Cases which may occur during a real exploitation, e.g. one section is heavily occupied, and others are empty, are not examined. In order to solve many simulation tasks, it is necessary to gain, among others, information on changes in masses as well as mass moments of inertia of the whole structure of the vehicle, caused by the distribution of individual masses of passengers in the vehicle. This paper is devoted to the research and analysis of the distribution of passengers standing inside the tram based on the experimental research. The measurement of the passenger flow in the tram has been executed with the indirect observation method; that is, observing how defined zones of the tram are occupied by passengers with the use of video-monitoring. Due to the fact that in reality parameters describing the process of filling the tram zones with passengers change in a random manner, an appropriately large number of random variable implementations has been prepared, whereas, selected function and number characteristics referring to the distribution of passengers inside the tram are based on statistical and probabilistic models. Results obtained have enabled the determination of the preferences of passengers with regard to their occupation of given zones in the vehicle and they will constitute a basis to design a new vehicle for Polish cities.

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