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Effects of connected and autonomous vehicle merging behavior on mainline human-driven vehicle

Journal of Intelligent and Connected Vehicles 2022年第1期5卷 36-45页

作者： Lishengsa Yue Mohamed Abdel-Aty Zijin Wang Department of Civil Environmentaland Construction EngineeringUniversity of Central FloridaOrlandoFloridaUSA

Purpose–This study aims to evaluate the influence of connected and autonomous vehicle(CAV)merging algorithms on the driver behavior of human-driven vehicles on the ***/methodology/approach–Previous studies designed their merging algorithms mostly based on either the simulation or the restricted field testing,which lacks consideration of realistic driving behaviors in the merging *** study developed a multi-driver simulator system to embed realistic driving behavior in the validation of merging ***–Four types of CAV merging algorithms were evaluated regarding their influences on driving safety and driving comfort of the mainline vehicle *** results revealed significant variation of the algorithm ***,the results show that the reference-trajectory-based merging algorithm may outperform the social-psychology-based merging algorithm which only considers the ramp ***/value–To the best of the authors’knowledge,this is the first time to evaluate a CAV control algorithm considering realistic driver interactions rather than by the *** achieve the research purpose,a novel multi-driver driving simulator was developed,which enables multi-drivers to simultaneously interact with each other during a virtual driving *** results are expected to have practical implications for further improvement of the CAV merging algorithm.

关键词： Driving simulator Connected and autonomous vehicle Merging algorithm Merging behavior safety and comfort Driving safety Driving comfort

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Evaluation of operator visibility in three different cabins type Far-East combine harvesters

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International Journal of Agricultural and Biological Engineering 2016年第4期9卷 33-44页

作者： Dae H.Lee Yong J.Kim Chang H.Choi Sun O.Chung Yo S.Nam Jin H.So Department of Biosystems Machinery Engineering Chungnam National UniversityDaejeon 305-764Republic of Korea Department of Bio-mechatronic Engineering Sungkyunkwan UniversitySuwon 440-746Republic of Korea TYM R&D Center Tong Yang Moolsan Co.Ltd.Gongju 314-862Republic of Korea

The purpose of this study was to develop and evaluate a visibility evaluation system for the cabin type Far-East combine *** human field of view has been classified into five levels(perceptive,effective,stable gaze,induced,and auxiliary)depending on the rotation of the human head and *** divider,reaper lever,gearshift,dashboard,and conveying component were considered as major viewpoints of the cabin type Far-East combine *** visibility of the cabin type Far-East combine harvester was evaluated quantitatively using viewpoints and human field of view *** visibility evaluation system for the cabin type Far-East combine harvester consisted of a laser pointer,stepping motors to control the directions of the view,gyro sensors to measure horizontal and vertical angles,and I/O interface to acquire the *** visibility evaluation tests were conducted at different postures(‘sitting straight’,‘sitting with a 15°tilt’,‘standing straight’,and‘standing with a 15°tilt’)for three cabin type Far-East combine *** LSD(least significant difference)multiple comparison tests showed that the visibilities of viewpoints differed significantly as the operator's posture *** results showed that the posture while standing with a 15°tilt provided the best *** average visibility scores at sitting postures were 22.3(straight)and 24.4(15°tilt),and the scores at standing postures were 18.7(straight)and 29.5(15°tilt).Also,the average visibility scores were observed in order from highest to lowest as reaper lever(44.6),divider(28.7),dashboard(23.1),conveying part(12.2),and gearshift lever(10.1).Most viewpoints of the cabin type Far-East combine harvester were out of the stable gaze field of the view *** of the cabin type Far-East combine harvester design will be required to enhance the visibility during harvesting operation and to improve safety and convenience of farmers.

关键词： combine harvester cabin operator visibility field of view evaluation system ergonomics safety and comfort

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