ABM-DTA集成的应用经验和新方向.pdf

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1、 2021 Bentley Systems,Incorporated 2022 Bentley Systems,IncorporatedApplication and New Directions for ABM-DTA IntegrationJim Hicks,Peter Vovsha,Michael Mahut,Ido Juran,Hani Mahmassani,Haidong ZhuAnimation Snapshotat 5:25 PMVehicles on Work Tours Average trip speed on the tour was less than 10 mphIn

2、tegrated ABM-DTA Model Output ExampleMethodology and componentsMain emphasis for ABM-DTA IntegrationABMDTAPreserve behavioral richness of ABM output:Person trip chainsCar trip chainsPreferred departure time,arrival time,and activity duration Schedule flexibility Individual VOTTravel party(car occupa

3、ncy)Preserve individual LOS as simulated by DTA:Individualized time,cost,reliability(VOT,occupancy)Trip departure time consistent with the schedule constraints&trip chainingAchieve stable network equilibrium solution with individual schedule consistency Nested Equilibration Methodologies Considered

4、ABM generation of activity patternsDestination&tour formation adjustmentHousehold Schedule Consolidation trip departure time adjustmentsDTA-Route choice and traffic simulationEquilibration loopMode choice loopInternal(scheduling)loopRouting loop“Extended”DTAMultimodal Assignment Mode adjustmentDesti

5、nation choice loopQuick response systemMAG Integrated Model Methodologies Evaluated Extended DTADTA plus Entire Household Schedule ConsolidationPartial day simulation period Multimodal AssignmentDTA plus Mode Choice and Entire Household Schedule ConsolidationPartial day simulation period Equilibrati

6、onDTA plus feedback to ABM starting at vehicle ownership,through MC and Schedule ConsolidationEntire day simulation period Equilibration Convergence MeasuresNetwork Relative GapsHousehold Schedule Consistency,Stability,StressLink flow and OD travel time stability Execution ProtocolsMAG Integrated Mo