| MULTIVARIATE EFFECTIVENESS OF ECOLANE AND ECOHMI BASED
COOPERATIVE VEHICLE-INFRASTRUCTURE SYSTEM |
| Qiang Fu , Yiping Wu , Xiaohua Zhao , Yang Bian , Haijian Li |
| Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology |
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| ABSTRACT |
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The cooperative vehicle-infrastructure system (CVIS) offers opportunities to further enhance the potential of
energy saving and emission reduction for eco-driving. However, it is still not clear about the effectiveness of CVIS on
promoting eco-driving nor the multivariate effectiveness of CVIS designed for eco-driving on traffic flow and safety
characteristics. A dedicated ecological lane (Ecolane) and ecological human-machine-interaction (EcoHMI) based CVIS
(Ecolane-HMI-CVIS) were developed based on driving simulator technology. An experiment of 35 participants was
conducted to study eco-driving behavior and final utility to identify the influence of Ecolane-HMI-CVIS. The results
indicated that the Ecolane-HMI-CVIS enhanced eco-driving behavior and reduced emission, with CO and NOX significantly
reduced by 10.72 % and 9.83 % respectively. The Ecolane-HMI-CVIS reduced the headway and promoted vehicle operation
stability, ordering, and improved traffic capacity about 10 %. No negative impact of Ecolane-HMI-CVIS was observed on
traffic safety. This study developed a test platform based on driving simulator to explore the multivariate influence of
Ecolane-HMI-CVIS. In addition to analyzing the overall effect of Ecolane-HMI-CVIS during the whole experimental section,
its detailed influence at each key zone and in spatial change process were also analyzed. This research contributed to better
understanding of the working mechanism and effectiveness of Ecolane-HMI-CVIS, and provide technical and policy
references of CVIS based eco-driving for traffic management departments. |
| Key Words:
Eco-driving, Cooperative vehicle-infrastructure system, Ecolane, EcoHMI, Multivariate effectiveness
analysis |
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Corresponding Author.
Yiping Wu , Email. 
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