An optimal signal control model considering emission concentration in mixed traffic contexts

Yu-Chiun Chiou, Lawrence W. Lan, Chih Wei Hsieh, Yi Jie Wu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

An optimal signal control model is proposed that minimizes the traffic emissions with restricted emission concentration in environment-sensitive areas where cars and motorcycles are prevailing. The proposed model comprises four sub-models: mixed traffic cell-transmission model, traffic emission model, Gaussian puff dispersion model, and stepwise genetic fuzzy logic controller model. Mixed traffic behaviors are replicated by the mixed traffic cell-transmission model, traffic emissions are estimated by TEDS 7.0 line source emissions database, emission concentration is estimated by the Gaussian puff model, and optimal cycle length and time split are solved by the stepwise genetic fuzzy logic controller model. Performance of the proposed model is tested at an experimental intersection as oppose to a pre-timed signal control strategy as the baseline. The results show that the proposed model has outperformed in reducing the emission concentration.

Original languageEnglish
Title of host publicationProceedings of the 17th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2012
Subtitle of host publicationTransportation and Logistics Management
Pages463-470
Number of pages8
StatePublished - 1 Dec 2012
Event17th International Conference of Hong Kong Society for Transportation Studies: Transportation and Logistics Management, HKSTS 2012 - Kowloon, Hong Kong
Duration: 15 Dec 201217 Dec 2012

Publication series

NameProceedings of the 17th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2012: Transportation and Logistics Management

Conference

Conference17th International Conference of Hong Kong Society for Transportation Studies: Transportation and Logistics Management, HKSTS 2012
Country/TerritoryHong Kong
CityKowloon
Period15/12/1217/12/12

Keywords

  • Emission concentration
  • Mixed traffic cell-transmission model
  • Signal control
  • Stepwise genetic fuzzy logic controller
  • Traffic emission

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