Traffic Simulation L0 – How to use AIMSUN Ing. Ondřej Přibyl, Ph.D.

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Presentation transcript:

Traffic Simulation L0 – How to use AIMSUN Ing. Ondřej Přibyl, Ph.D.

L1: Course IntroductionCourse: Traffic Simulation Major steps SectionsIntersectionsCentroids Travel demand ScenarioExperimentReplication Processing of results 2

L1: Course IntroductionCourse: Traffic Simulation Sections Load background image Load background image File / Import / … Create section Create section Length Width Set section’s parameters Set section’s parameters Number of lanes Turning lanes Speed, capacity, road type, … Lane type – reserved for busses only Show label (number of the section) Generate opposite Generate opposite Finish for all sections in the network of interest Finish for all sections in the network of interest 3

L1: Course IntroductionCourse: Traffic Simulation Intersections Main Main Yellow box (vehicle not allowed to stop in the intersection) Node type Add allowed movements Add allowed movements New (click section From / click section To) Signal plan Signal plan New (click on allowed movements for given Phase) 4

L1: Course IntroductionCourse: Traffic Simulation Define new tasks New tabs appear in Site control box New tabs appear in Site control box New State must be added for each vehicle type or time segment (bus, car, …)New State must be added for each vehicle type or time segment (bus, car, …) 5

L1: Course IntroductionCourse: Traffic Simulation Traffic States / Traffic Demand Traffic states Traffic states First way to assign traffic demand to the network New State must be added for each vehicle type or time segment (bus, car, …) Enter vehicle flow for each input section Enter turning movements (percentage) Traffic demand Traffic demand Select States and not Matrices Add Demand (add all traffic states of interest) 6

L1: Course IntroductionCourse: Traffic Simulation OD Matrices Add Centroids Add Centroids Name New – click on section (automatic is determined From/To) Centroids / New Centroids / New O/D Matrices Select vehicle type and time Put in traffic volumes from/to Traffic demand Traffic demand Select Matrices and not State Add Demand (add all matrices of interest) 7

L1: Course IntroductionCourse: Traffic Simulation Scenario / Experiment / Replication Traffic demand, public lines, control plans Traffic demand, public lines, control plans What statistical data will be collected What statistical data will be collected New Experiment New Experiment 8

L1: Course IntroductionCourse: Traffic Simulation Scenario / Experiment / Replication Simulator parameters Simulator parameters Warm-up and durationWarm-up and duration Arrivals definition Arrivals definition New Replication New Replication 9

L1: Course IntroductionCourse: Traffic Simulation Scenario / Experiment / Replication Number of replications (runs) Number of replications (runs) Create average ? Create average ? Random seed, etc. Random seed, etc. Interactive Simulation / Batch simulation Interactive Simulation / Batch simulation Recording a simulation (video)Recording a simulation (video) 10

L1: Course IntroductionCourse: Traffic Simulation Results Scenario / Output Scenario / Output Select your output variables Output Output Replication /section / Detector/ … …/ Properties / Time series View data Copy to Clipboard 11

L1: Course IntroductionCourse: Traffic Simulation Other issues Error fix Error fix Tools / Check and fix network Traffic accident Traffic accident Site / New / Traffic Condition Time from and Duration New Action Lane closure, Section incident …/Scenario – select Traffic condition 12