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Journal of Intelligent and Connected Vehicles 2023年第2期6卷 65-78页

作者： Kasi Nayana Badweeti vinayak devendra malaghan Digvijay Sampatrao Pawar Said Easa Department of Civil Engineering Indian Institute of Technology HyderabadKandiMedak502285India Department of Civil Engineering Pandit Deendayal Energy UniversityGandhinagarGujarat382355India Department of Civil Engineering Toronto Metropolitan UniversityTorontoONM5B 2K3Canada

A large number of reported road collisions are caused by driver inattention,and inappropriate driving *** study investigated the effectiveness and acceptance of Advanced Driving Assistance Systems(ADAS)for driver age groups,gender,occupation(professional/non-professional),and road type(expressway,urban roads,and semi-urban road)based on the Field Operational Test(FOT).The ADAS is provided with assistance features,such as Lane Departure Warning(LDW),Forward Collision Warning(FCW),and Traffic Speed Recognition Warning(TSRW).In total,the FOT involved 30 participants who drove the test vehicle twice(once in the stealth phase and once in the active phase).The FOT included three sections:expressway(20.60 km),urban road(7.2 km),and semi-urban road(13.35 km).A questionnaire was used to determine user acceptance of the ADAS *** addition,parametric and non-parametric statistical tests were carried out to determine ADAS's significant *** FOT results showed statistically significant differences in the LDW’s acceptance and effectiveness for gender,age group,occupation,and road type before and after exposure to *** participants showed significant lateral behavior improvement compared to female ***-aged drivers scored the highest acceptance score for the technology compared to middle and young-aged *** subjective ratings ranked the assistance features in descending order as TSRW,LDW,and *** study’s findings can support policy development and induce trust in the public for the technology adoption to improve road traffic safety.

关键词： driving assistance system forward collision lane departure warning traffic speed recognition road safety

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Micro-simulation insights into the safety and operational benefits of autonomous vehicles

Journal of Intelligent and Connected Vehicles

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Journal of Intelligent and Connected Vehicles 2023年第4期6卷 202-210页

作者： Nalin Kumar Sekar vinayak malaghan Digvijay S.Pawar School of Mechanical Engineering Vellore Institute of TechnologyVellore 632014India Department of Civil Structuraland Environmental EngineeringTrinity College DublinThe University of DublinDublin 2Ireland Department of Civil Engineering Indian Institute of Technology HyderabadKandi 502285India

Several past studies showed that Autonomous Vehicles(AVs)can reduce crash risk,stop-and-go traffic,and travel *** analyze the safety benefits of AVs,most of the researchers proposed algorithms and simulation-based ***,these studies have not assessed the safety benefits of AVs for different vehicle types under heterogeneous *** this opportunity,this study focuses on the benefits of AVs in terms of safety for different penetration rates under heterogeneous *** study considered three driving logics during peak hour conditions to assess the performance of AVs in terms of *** VISSIM,default driving behavior models for AVs were adopted to consider cautious and all-knowing driving logic and the third driving logic(Atkins)was modeled in VISSIM using parameters adopted from the previous *** this end,using VISSIM,the travel time output results were ***,using Surrogate Safety Assessment Model(SSAM),conflicts were extracted from output trajectory files(VISSIM).The results suggest that“cautious driving logic”reduced travel time and crash risk significantly when compared to the other two driving logics during peak hour ***,the statistical analysis clearly demonstrated that“cautious driving logic”differs significantly from the other two driving *** Market Penetration Rates(MPR)were 50%or greater,the“cautious driving logic”significantly outperforms the other two driving *** results highlight that adopting“cautious driving logic”at an expressway may significantly increase safety at higher AV penetration rates(above 50%).

关键词： automated vehicles driving behavior penetration rates driving logics and safety impacts

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