The Cooperative Vehicle Infrastructure Systems(CVIS),which provides drivers with recommended speeds to achieve sustainable transportation,is a type of active smart facilities.However,drivers need time to familiarize t...The Cooperative Vehicle Infrastructure Systems(CVIS),which provides drivers with recommended speeds to achieve sustainable transportation,is a type of active smart facilities.However,drivers need time to familiarize themselves with the active guidance function of CVIS,which may hinder its optimal optimization.To investigate this phenomenon,this study designed a comprehensive evaluation framework for traffic efficiency and energy consumption to analyze panel driving data from 44 vehicles that used CVIS for a continuous period of 31 days.The research findings indicate that as drivers use CVIS for more days,the probability of successfully optimizing its functionalities increases,resulting in higher vehicle travel speed and reduced travel duration.However,due to limited proficiency with CVIS optimization functionalities,drivers exhibit more instances of high-speed and high-acceleration behavior when adjusting vehicle speed,which leads to increased energy consumption.Importantly,this study establishes relationships between various indicator variables and the number of days drivers use CVIS,based on empirical data,achieving a good fit.The research findings contribute to the sustainable development of urban road traffic systems.展开更多
This year’s WSD draws attention to par tnerships for the SDGs.Therefore,China Association for Standardization(CAS)held the inauguration ceremony of the professional committee on smart elderly care facilities on Octob...This year’s WSD draws attention to par tnerships for the SDGs.Therefore,China Association for Standardization(CAS)held the inauguration ceremony of the professional committee on smart elderly care facilities on October 11 in Shenzhen.展开更多
基金supported by the National Key Research and Development Program of China(2024YFE0112100,2023YFC3705405)the National Natural Science Foundation of China(42177084)the Fundamental Research Funds for the Central Universities of China(63241318,63241322).
文摘The Cooperative Vehicle Infrastructure Systems(CVIS),which provides drivers with recommended speeds to achieve sustainable transportation,is a type of active smart facilities.However,drivers need time to familiarize themselves with the active guidance function of CVIS,which may hinder its optimal optimization.To investigate this phenomenon,this study designed a comprehensive evaluation framework for traffic efficiency and energy consumption to analyze panel driving data from 44 vehicles that used CVIS for a continuous period of 31 days.The research findings indicate that as drivers use CVIS for more days,the probability of successfully optimizing its functionalities increases,resulting in higher vehicle travel speed and reduced travel duration.However,due to limited proficiency with CVIS optimization functionalities,drivers exhibit more instances of high-speed and high-acceleration behavior when adjusting vehicle speed,which leads to increased energy consumption.Importantly,this study establishes relationships between various indicator variables and the number of days drivers use CVIS,based on empirical data,achieving a good fit.The research findings contribute to the sustainable development of urban road traffic systems.
文摘This year’s WSD draws attention to par tnerships for the SDGs.Therefore,China Association for Standardization(CAS)held the inauguration ceremony of the professional committee on smart elderly care facilities on October 11 in Shenzhen.
