2019 5th International Conference on Transportation Information and Safety (ICTIS)最新文献_第4页

Overload Monitoring System for Inland River Ferries 内河渡轮超载监测系统

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883679

Qidong Fan

引用次数: 1

Discrete and continuous evacuation simulation models for rail tunnel evacuation: a comparison study 铁路隧道疏散离散与连续疏散仿真模型的比较研究

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883778

Shaoman Liu

{"title":"Discrete and continuous evacuation simulation models for rail tunnel evacuation: a comparison study","authors":"Shaoman Liu","doi":"10.1109/ICTIS.2019.8883778","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883778","url":null,"abstract":"The damages and loses caused by rail tunnel accidents are usually unbelievable serious even though these events are relatively rare in reality. Evacuation simulation models for rail tunnels could usually be classified into discrete and continuous types. Using these two types of models to simulate the same rail tunnel evacuation process may lead to different and interesting results since the modelling techniques of these two types of models are obviously different from each other and the geometry of rail tunnels usually involves longnarrow walkways which are challenging to be accurately modelled. Therefore, it would be interesting and necessary to compare the differences between these models on modeling rail tunnel evacuations and to identify how the basic rules of these models are affecting the simulation results. This paper compares two typical evacuation simulation models, one is a discrete model and another is a continuous model, on simulating a same set of hypothetical rail tunnel evacuation scenarios. Tunnels with different dimensions of “walkways” and “cross-passageways” are considered. Typical quantitative pedestrian flow indicators such as the egress time, flow rate, the density distribution etc. are analyzed and compared. Simulation parameters which are particularly sensitive to the simulation results are discussed. This study would provide insights for model users or researchers for understanding the differences of the underlying modeling rules in these models.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133276024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design of Automatic Identification System for Enclosed Waters Based on LoRa 基于LoRa的封闭水域自动识别系统设计

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883708

Qianqian Chen, Changshi Xiao, Y. Wen, Chunhui Zhou, Fan Zhang

引用次数: 0

Prediction of Grades of Ship Collision Accidents Based on Random Forests and Bayesian Networks 基于随机森林和贝叶斯网络的船舶碰撞事故等级预测

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883590

Li Tang, Yuheng Tang, Kai Zhang, Li-Juan Du, Min Wang

引用次数: 7

Study on risk management of floating transportation and installation operation of immersed tunnel based on ShenZhong Link 沈中干线沉管隧道浮式运输安装作业风险管理研究

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883793

Jianwei Sun, Dianliang Xiao

引用次数: 0

Designing Criteria of Continuous Long Slope Alignment at Alpine and High Altitude Area Based on Reliability Analysis 基于可靠度分析的高寒高海拔地区连续长坡线形设计准则

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883713

Duo Xu, S. Fang, Yuren Chen, Shengbin Zhang

{"title":"Designing Criteria of Continuous Long Slope Alignment at Alpine and High Altitude Area Based on Reliability Analysis","authors":"Duo Xu, S. Fang, Yuren Chen, Shengbin Zhang","doi":"10.1109/ICTIS.2019.8883713","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883713","url":null,"abstract":"The main objective of this paper is to bring forward the flexible method for designing the continuous downgrade alignment at alpine high altitude area. Brake fade of trucks is the most important cause of accidents on this special alignment, and therefore, temperature rise model is the theoretical core for alignment criteria selection. Several researches have been carried out for laws of temperature rising of trucks on downgrade at low altitude area under normal climate. Additionally, deterministic method is always the basis of guidelines for road designers. However, when situation changes to alpine and high altitude condition, temperature does not rise as imagined, and deterministic method has limitations in specific circumstances. This paper collects data on two roads in Tibet, one for lower gradient, the other for higher gradient. As drivers have different driving behaviors on the two roads, this paper divides temperature rise model into two parts based on the gradient. After two Chinese temperature rise models are corrected by data from Tibet with R-squares beyond 0.8, reliability analysis is then carried out. Speed and weight are hypothesized as normal distribution, and then reliability is calculated. Consequently, the relation between restricted slope and grade is given under certain limited state. The flowchart of design criteria is shown against different districts finally.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"323 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115226211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A simulation platform for multi-ship collision decision making 多船碰撞决策仿真平台

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883695

Xian Lin, Jin-fen Zhang, Yong Zeng, Weidong Hu

{"title":"A simulation platform for multi-ship collision decision making","authors":"Xian Lin, Jin-fen Zhang, Yong Zeng, Weidong Hu","doi":"10.1109/ICTIS.2019.8883695","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883695","url":null,"abstract":"Collision avoidance decision support system has been one of the hot topics in intelligent technologies. Moreover, trying to reduce the involvement of human operators is one of the most effective ways to reduce maritime accidents as well as enhance the intelligence of the ships. In this paper, a simulation platform is construct for the purpose of testing the performance of collision avoidance decision making under multi-ship encounter situations. The software of python is used in the development of the platform. The platform enables the maneuvering of ships manually, as well as guiding the ships using anti-collision decision making algorithms. In the simulation platform, the parameters of Distance to Closest Point of Approach (DCPA) and Time to CPA (TCPA) are used to reflect the collision risk. The collision risk is visualized in a real-time mode, so that the decisions can be made based on the evolution of collision risk. The platform can conduct simulation based on the information of the ships and the encounter situation. It can also evaluate and verify the feasibility of the collision avoidance decision-making scheme. The platform can be a useful testbed for evaluating the performance of collision avoidance decision making procedures in open waters.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115927381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Research on Maximum Driving Time Based on Driving Fatigue Model from Field Experiment 基于现场试验驾驶疲劳模型的最大驾驶时间研究

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883733

Qi Zhang, Yafen Wang, Chaozhong Wu, Hui Zhang

{"title":"Research on Maximum Driving Time Based on Driving Fatigue Model from Field Experiment","authors":"Qi Zhang, Yafen Wang, Chaozhong Wu, Hui Zhang","doi":"10.1109/ICTIS.2019.8883733","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883733","url":null,"abstract":"Driving fatigue is a major safety issue in transportation field. Many countries have enacted corresponding laws on driving time, but the duration is fixed. In this study, 19 middle-aged drivers (14 males and 5 females) are recruited to participate in the field experiments, considering the different starting driving time, all the subjects are divided into three groups, start driving in the morning, afternoon and night. Each group completes the same driving route. During all experiments, the reported Karolinska Sleepiness Scale (KSS) of drivers are recorded every 5 minutes by same observer, and the KSSs are converted into consecutive fatigue values by cubic spline interpolation. Eliminating the influence of circadian rhythm and sleep, the driving fatigue prediction models vary only with Driving Time are obtained. Finally, for the drivers who start driving in the morning could only drive 3.36 hours, and drivers can only drive 3.06 hours when they start in the night. The fatigue prediction model could be further used to evaluate the risk period before each driving schedule, and optimize the schedule to avoid fatigue driving and guarantee the transportation safety.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124345934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Fuzzy PD Controller Based Path Tracking for Autonomous Vehicle under i-VICS 基于模糊PD控制器的i-VICS自动驾驶汽车路径跟踪

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883832

Huaxin Pei, Jishiyu Ding, Jianming Hu, Yi Zhang

{"title":"Fuzzy PD Controller Based Path Tracking for Autonomous Vehicle under i-VICS","authors":"Huaxin Pei, Jishiyu Ding, Jianming Hu, Yi Zhang","doi":"10.1109/ICTIS.2019.8883832","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883832","url":null,"abstract":"The autonomous driving under the environment of Intelligent Vehicle-Infrastructure Cooperative Systems (i-VICS) is a brand-new technical route that can reduce the dependence of driverless autopilot on high-precision sensors to detect the path surroundings and intelligent calculations to make the operational decisions. Based on i-VICS, the most of data to support the autonomous driving is then provided from road-side units (RSUs) based on V2I communication. It is a highly reliable and real-time solution at low cost compared with the traditional approaches of autonomous driving. This paper discusses the control of path tracking as the basic testament induced from the newly developed technical route. The design of a path tracking algorithm based on an improved model to derive the lateral deviation via multiple assigned preview points on reference path is explored to reduce the impact of noises from reference path data. The strategy to select the optimal look-ahead distance used for deviation calculation is also analyzed. A fuzzy PD controller is then introduced to support the control of steering and the speed control based on path geometry is designed for the longitudinal control. The simulation and field tests results demonstrate a satisfactory performance finally.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"170 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114373918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Investigation on Multi-objective Freeway Control Strategy using Macroscopic and Microscopic Traffic Flow Data 基于宏观和微观交通流数据的高速公路多目标控制策略研究

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI: 10.1109/ICTIS.2019.8883438

Huahui Xie, Jie Fang, Huixuan Ye, Yunjie Lyu

引用次数: 0