A visualization toolkit for transportation simulation systems

Hajinasab, Banafsheh; Davidsson, Paul; Löwgren, Jonas; Persson, Jan

doi:10.1145/2399016.2399151

Cited by 1 publication

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“…They had also some suggestions for visualizing. Full details of the expert users' answers to the interview questions can be found in (Hajinasab, 2011). Based on the interests of users regarding visualization of output, the important outputs to be visualized can be categorized as below: The interview study further suggests for a need that visualization in TAPAS facilitate the process of analysing simulation results.…”

Section: Requirements Analysismentioning

confidence: 99%

“…Thereby, the mock-ups are designed in several steps based on the spiral method in order to obtain the feedback from expert and end users. Some of the initial results of the tool are presented in (Hajinasab et al, 2012) Based on the user studies, the proposed User Interface of the TAPAS visualization tool can have two Tab Views; Link-based view and Route-based view. A simple sketch is produced as the first step.…”

Section: Design Features and Functionalities Of Tapas Visualization Toolmentioning

confidence: 99%

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A Dynamic Approach to Multi-Agent-Based Simulation in Urban Transportation Planning

Hajinasab¹

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Earlier publications in this seriesJevinger, Åse. Toward intelligent goods: characteristics, architectures and applications, 2014, Doctoral dissertation.Dahlskog, Steve. Patterns and procedural content generation in digital games: automatic level generation for digital games using game design patterns, 2016, Doctoral dissertation. ABSTRACTReviewing previous studies on using computational models for analyzing the effect of transport policies on transportation systems shows that agent-based models have not been used much in spite of their great potential for simulating dynamic aspects of policy instruments and travel behavior. The main reason can be the need for a lot of input data which is hard to prepare for the modeler. This has led to limited use of agentbased models in previous studies and even in those studies the scope of simulation is limited to only particular scenarios. In this thesis, I proposed a general-purpose agent-based simulation model for urban transportation that supports simulation of a wide range of policy instruments. The proposed model is designed in a way that a large part of the input data can be generated automatically using online web-services. The thesis also reports an empirical study on using our proposed generalpurpose model together with on-line travel planners in agent-based simulation for predicting the effect of different policy instruments on travel behavior. The results from our empirical study showed that our generalpurpose agent-based model predicts 72% of the real travel decisions correctly. Furthermore, the results of the simulation for various scenarios and combination of them seem to be acceptable. Finally, we found out that the use of on-line services for data collection increases the speed and flexibility of the system for defining and running new scenarios. However, the scalability of using on-line services in simulation is constrained by limitations of online service providers.The main contributions of this thesis are a general-purpose agentbased simulation model for urban transportation and a novel approach to automatically generate input data to the simulation using online travel planners and other web-services. This novel approach mitigates the challenge of agent-based simulation as a data-intensive method. This can lead to more widespread use for agent-based simulation in solving complex and realistic transportation scenarios.Another contribution of this thesis is on visualization of simulation output. One of the main challenges of using simulation systems by transport planners and decision makers as end-users is to understand the comi plex output of the simulation. In this thesis, I empirically demonstrated how the usability of a freight transport simulation system is improved by adding a visualization module that illustrates the results of the simulation for the end-users.ii ACKNOWLEDGMENTS I would like to express my special appreciation and thanks to my supervisors Professor Paul Davidsson, and Docent Jan Persson. I would also wish to express my gratitude for ...

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Section: Requirements Analysismentioning

confidence: 99%

Section: Design Features and Functionalities Of Tapas Visualization Toolmentioning

confidence: 99%

A Dynamic Approach to Multi-Agent-Based Simulation in Urban Transportation Planning

Hajinasab¹

View full text Add to dashboard Cite

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A visualization toolkit for transportation simulation systems

Cited by 1 publication

References 5 publications

A Dynamic Approach to Multi-Agent-Based Simulation in Urban Transportation Planning

A Dynamic Approach to Multi-Agent-Based Simulation in Urban Transportation Planning

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