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Simulating mass public-transport systems
Simulación de sistemas de transporte público masivo
DOI:
https://doi.org/10.15446/ing.investig.v26n1.14685Keywords:
simulation, mass public-transport system, open queuing network, origin-destination matrix, performance (en)simulación, sistemas de transporte público masivo, redes de colas abiertas, matriz origen-destino, desempeño (es)
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A simulation model for evaluating the performance of a mass public-transport system (MPTS) is presented in this report. The final prototype was flexible both for constructing an STPM "skeleton" and modelling random events characteristic of this type of system. The final model was a queuing network with other elements such as origin-destination matrices and graphs allowing typical MPTS phenomena to be considered. The simulation model reacted as expected to changes in the parameters and allowed defining and evaluating typical performance measurement for queues (e.g. mean time spent in the system and queue, expected queue length) as well as others representative of these systems.
En este artículo se presenta un modelo de simulación para la evaluación del desempeño de un sistema de transporte público masivo (STPM). El prototipo resultante es flexible, tanto en la construcción del "esqueleto" de un STPM, como para el modelamiento de los eventos aleatorios característicos de este tipo de sistemas. El modelo final es una red de colas complementada con elementos adicionales como matrices origen-destino y grafos, que permiten considerar fenómenos propios de un STPM. El modelo de simulación responde, como es esperado, ante los cambios en los parámetros, y permite definir y evaluar medidas de desempeño típicas de las líneas de espera, como por ejemplo, tiempos de permanencia promedio en el sistema y en cola, longitudes esperadas de las colas, junto con otras medidas características de este tipo de sistemas.
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Serrano, A., Desarrollo de un prototipo para la simulación de un sistema de transporte público masivo mediante modelamiento estocástico, tesis de pregrado, Departamento de Ingeniería de Sistemas e Industrial, Universidad Nacional de Colombia, 2004.
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Copyright (c) 2006 Jorge Eduardo Ortíz Triviño, Luz Ángela Serrano Rivera
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