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Field Testing of Eco-Speed Control Using V2I Communication

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dc.contributor.authorRakha, Hesham A.en
dc.contributor.authorChen, Haoen
dc.contributor.authorAlmannaa, Mohammed Hamaden
dc.contributor.authorKamalanathsharma, Raj Kishoreen
dc.contributor.authorEl-Shawarby, Ihaben
dc.contributor.authorLoulizi, Amaraen
dc.date.accessioned2016-08-16T20:43:09Zen
dc.date.available2016-08-16T20:43:09Zen
dc.date.issued2016-04-15en
dc.description.abstractThis research focused on the development of an Eco-Cooperative Adaptive Cruise Control (Eco-CACC) System and addressed the implementation issues associated with applying it in the field. The Eco-CACC system computes and recommends a fuel-efficient speed based on Signal Phasing and Timing (SPaT) data received from the traffic signal controller via vehicle-to-infrastructure (V2I) communication. The computed speed profile can either be broadcast as an audio alert to the driver to manually control the vehicle, or, implemented in an automated vehicle (AV) to automatically control the vehicle. The proposed system addresses all possible scenarios, algorithmically, that a driver may encounter when approaching a signalized intersection. Additionally, from an implementation standpoint, the research addresses the challenges associated with communication latency, data errors, real-time computation, and ride smoothness. The system was tested on the Virginia Smart Road Connected Vehicle Test Bed in Blacksburg, VA. Four scenarios were tested for each participant: a base driving scenario, where no speed profile data was communicated; a scenario in which the driver was provided with a “time to red light” countdown; a manual Eco-CACC scenario where the driver was instructed to follow a recommended speed profile given via audio alert; and finally, an automated Eco-CACC scenario where the AV system controlled the vehicle’s longitudinal motion. The field test included 32 participants, and each participant completed 64 trips to pass through a signalized intersection for different combinations of signal timing and road grades. The analyzed results demonstrate the benefits of the Eco-CACC system in assisting vehicles to drive smoothly in the vicinity of intersections, thereby reducing fuel consumption levels and travel times. Compared to an uninformed baseline drive, the longitudinally automated Eco-CACC system controlled vehicle drive resulted in savings in fuel consumption levels and travel times of approximately 37.8% and 9.3%, respectively.en
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/72260en
dc.language.isoenen
dc.publisherConnected Vehicle/Infrastructure University Transportation Center (CVI-UTC)en
dc.rightsCreative Commons CC0 1.0 Universal Public Domain Dedicationen
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/en
dc.subjectconnect vehiclesen
dc.subjectfuel efficiencyen
dc.subjecttraffic managementen
dc.subjectuser experienceen
dc.titleField Testing of Eco-Speed Control Using V2I Communicationen
dc.typeReporten
dc.type.dcmitypeTexten

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Connected Vehicle/Infrastructure University Transportation Center (CVI-UTC)
Destination Area: Intelligent Infrastructure for Human-Centered Communities (IIHCC)