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

{"title":"Real-time Detection of Vehicle and Traffic Light for Intelligent and Connected Vehicles Based on YOLOv3 Network","authors":"Luyao Du, Wei Chen, Shuaizhi Fu, Haiyang Kong, Changzhen Li, Zhonghui Pei","doi":"10.1109/ICTIS.2019.8883761","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883761","url":null,"abstract":"Real-time detection of vehicle and traffic light is essential for intelligent and connected vehicles especially in urban environment. In this paper, a new vehicle and traffic light dataset is established and a real-time detection model of vehicle and traffic light based on You Look Only Once (YOLO) network is presented. A joint training method for target classification and detection is proposed by YOLOv3, aiming to balance the detection accuracy and speed. The YOLOv3 network has lower requirements on hardware devices than other target detection algorithms like Faster R-CNN. Through the experimental analysis of the measured images in urban environment, it is shown that the designed model can not only satisfy the real-time requirements, but also improve the accuracy of the detection of vehicles and traffic lights.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125282025","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}

{"title":"Can Internet Rental Bicycles change people's travel behaviour? A survey from China","authors":"Xuxin Zhang, Weihua Zhang, Zhongxiang Feng, Wesley Kumfe, Q. Yuan","doi":"10.1109/ICTIS.2019.8883794","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883794","url":null,"abstract":"“Internet Rental Bicycles” are one of the most popular travel tools that has been developed in China in the past two years. They not only offer a green, environmentally friendly travel option but also solve the problem of the “Last Mile” to a great extent. In this paper, a questionnaire survey was conducted on 321 participants. The results show that age and private car ownership are the two most important factors that hinder the use of Internet Rental Bicycles. The development of Internet Rental Bicycles replaced a certain proportion of public transit and pedestrian traffic. Meanwhile, the most common intended uses of Internet Rental Bicycles are commuting, shopping and entertainment. Moreover, Internet Rental Bicycles are used more frequently during weekends and holidays and help meet travellers’ short-distance travel demands. In addition, the results also show that the personal attributes of travellers have no significant impact on their intention to continue to use Internet Rental Bicycles. Instead, travellers’ attitudes towards Internet Rental Bicycles significantly influence their usage intention. These findings are helpful to Internet Rental Bicycle operators and traffic management departments that must better specify their policies and measures to respond to the changes in the way that people travel.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130425660","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}

{"title":"Fatigue life evaluation of high-speed maglev train bogie under higher operating speed grade","authors":"F. Guo, Jianxin Liu, Yifan Li","doi":"10.1109/ICTIS.2019.8883700","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883700","url":null,"abstract":"Safety is the eternal research theme of rail transit, while higher-speed rail transit is the relentless pursuit goal.Compared with traditional wheel-rail trains, high-speed maglev trains are a new type of rail vehicle with higher speed possibilities.In order to guarantee the safety and structural reliability of the maglev train under higher operating speed grade, it is necessary to deeply study the fatigue life of key components of high-speed maglev trains during the research and development design phase.This paper takes a high-speed maglev train bogie as an example, presents a study of the dynamic simulation load of maglev bogie under the speed grade condition of 600 kilometers per hour and its effect on the fatigue damage of maglev bogie structure. Firstly, a multi-rigid car-rail coupling dynamics model of high-speed maglev train was established and the vehicle-rail coupled vibration and random track irregularity are considered as excitation. The vibration response of high-speed maglev train passing a curve line was analyzed at highspeed(400km/h) and higher-speed(600km/h). Dynamic simulation loads at critical load bearing positions of maglev bogie were obtained and compared. Next, a detailed finite element model of maglev bogie was established, dynamic stress-time histories of maglev bogie under dynamic simulation loads were obtained using a quasi-static stacking method. The rain flow counting method, Wohler curves and the Palmgren-Miner damage accumulation rule were applied to evaluate the fatigue life of the critical positions of maglev bogie. Finally, the distribution of maglev bogie fatigue hot spot positions and the effect of higher operating speed grade is discussed. The results show that vibration responses, dynamic simulation loads and fatigue damage of maglev bogie have increased significantly at higher operating speed grade. The fatigue life evaluation method based on dynamic simulation loads is an effective method to study the fatigue reliability of key components of high-speed maglev train. In order to improve the operational safety and structural reliability of maglev trains under higher operating speed grade, it is recommended to analyze the fatigue life of key components of high-speed maglev train in the research and development design phase. Fatigue life and maintenance cycle of maglev bogie can be improved, if analysis results of this paper are used to improve the structural design of fatigue hot spot positions.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126086175","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}

{"title":"Analysis and Control of Intelligent Traffic Signal System Based on Adaptive Fuzzy Neural Network","authors":"Changqing Dong, Kaixin Yang, Jinwei Guo, Xiaowei Chen, Haibo Dong, Yunlong Bai","doi":"10.1109/ICTIS.2019.8883791","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883791","url":null,"abstract":"The paper proposes an intelligent traffic signal control system based on AFNN (Adaptive Fuzzy Neural Network) algorithm, which can adjust the signal cycle and green split to improve traffic efficiency. First, based on V2X (Vehicle to X) intelligent networking technology, the numbers of waiting vehicles at traffic light intersections are real-timely detected. Then, an AFNN algorithm is used to get the knowledge of experience and online self-adjustment is followed according to traffic state to optimize light signal control scheme. Finally, the validity and rationality of the system are verified by the system simulation model. The results show that with the help of the adaptive control system, the average delay time was reduced by 8.45%, and the average fuel economy increased by 24.04%.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121974237","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}

{"title":"ICTIS 2019 Table of Contents","authors":"","doi":"10.1109/ictis.2019.8883441","DOIUrl":"https://doi.org/10.1109/ictis.2019.8883441","url":null,"abstract":"","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"143 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120984321","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}

{"title":"Effect of Average Car Price On City-Level Private Car Ownership: A Study Based On Panel Data Analysis","authors":"Hongtai Yang, Jingying Wang, Yinan Lin, Guocong Zhai, Xiaohan Liu, Siyu Tao","doi":"10.1109/ICTIS.2019.8883721","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883721","url":null,"abstract":"In order to study the effect of average car price on city-level private car ownership in China, a panel data of 204 target cities in China for the period of 2006 to 2015 is collected and investigated. Nine variables including average car price to average income ratio (ACP/AI), economic characteristics, urban characteristics, and transportation characteristics of cities are selected as potential explanatory variables. Pooled regression model, fixed effect model and random effect model are adopted and compared by fitting the panel data. The results of the Hausman test indicate that the fixed effect model fits the data better. Gross domestic product per capita, population density, highway density, per capita area of urban road, number of taxis per 10,000 population and number of buses per 10,000 population have significantly positive effects on private car ownership while ACP and has significantly negative effects on private car ownership. Among them, ACP/AI which reflect the proportion of car prices in people’s purchasing power has the highest coefficient. When ACP/AI decreases by 1%, the city-level private car ownership increases by 0.590%, while other variables are controlled. This finding could provide reference for policy makers to make a better balance between controlling for the car ownership in a city by adjusting the car price and ensuring GDP and tax collection from vehicle industry as a certain level.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"14 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":"127234515","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}

{"title":"Dual-Mode Adaptive Cruise Control Strategy Based on Model Predictive Control and Neural Network for Pure Electric Vehicles","authors":"Mingxing Wang, Houyu Yu, Guanglin Dong, Miaohua Huang","doi":"10.1109/ICTIS.2019.8883435","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883435","url":null,"abstract":"The Adaptive Cruise Control (ACC) system is an important advanced driver assistance system. In order to improve the vehicle-following effect of ACC for pure electric vehicles to adapt to the complicated and changing traffic environment, reduce the cruise energy consumption and extend driving range, an ACC strategy based on Model Predictive Control (MPC) is developed for vehicle-following condition; an ACC strategy based on Neural Network (NN) using the driver behavior data is developed for the lead vehicle cutting-in/cutting-out condition; a dual-mode ACC strategy based on MPC and NN is proposed to realize intelligent ACC. The proposed ACC system for pure electric vehicles uses three-level control structure. The upper level adopts the above dual-mode ACC strategy. During braking, the middle level coordinates the regenerative braking and the hydraulic braking of the pure electric vehicle. The lower level controls the electric motor and the hydraulic braking device respectively. This three-level control structure is established in Matlab/Simulink software, the vehicle longitudinal dynamic model is established through Carsim software, and the traffic scenario is established through PreScan software, and then these three parts are co-simulated. The simulation results show that this proposed ACC strategy of the pure electric vehicle has better cruise control effect and brake energy recovery capability, and achieves the better safety, riding comfort and energy efficiency.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"87 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":"125005675","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}

{"title":"An analysis of Park-and-Ride service at subway station across Beijing","authors":"Li Qi, Zhang Xin, Yang Zhigang, Yu Zhang","doi":"10.1109/ICTIS.2019.8883858","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883858","url":null,"abstract":"Park and Ride (PNR) facilities are regarded as powerful measures to alleviate traffic congestion. First, to evaluate the service consequences (good and bad) of the PNR facilities, the paper establishes a methodology, based on the analysis of key factors, including PNR facility positions, subway station properties, service areas, and etc. And then, by using a logit model to estimate and predict the impact of charging policies on the propensity to change user willingness of PNR facilities, we can better understand this relationship. This study can help government authorities to rationally plan and scientifically guide the use of PNR facilities.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"27 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":"125314117","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}

{"title":"Research on the current status and existing problems of oil vapor control for vessel in China","authors":"Chen Liu, Rong-chang Chen","doi":"10.1109/ICTIS.2019.8883689","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883689","url":null,"abstract":"During the oil loading and unloading process, volatile organic components (VOCs) will be greatly vaporized and escape, resulting in environmental pollution and product loss. Oil vapor control refers to the collection of volatile oil and gas during the process of oil loading and unloading, through one or two methods of absorption, adsorption or condensation. It could change oil and gas from gaseous to liquid and become oil again, so that it can be recycled. This paper collects the international conventions, laws, regulations and standards related to oil vapor control of ports and docks at home and abroad. And we organize the current status of oil vapor control technology of ships in China’s port and terminals, analyze the existing problems and propose the future development directions respectively. At present, oil vapor control related work of ships is still in its infancy in China, and technical standards and related norms are still not perfect. The research results of this paper will provide technical support for the implementation of the “Atmosphere Ten” and the “Special Action Plan” of the Ministry of Transport. And it is of great significance for standardized management of ship oil vapor control operations and prevent safety risks, secondary pollution and other issues.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"70 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":"126776468","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}

{"title":"Classification of Ship Trajectories by Using Naive Bayesian algorithm","authors":"Weigang Wang, X. Chu, Zhonglian Jiang, Lei Liu","doi":"10.1109/ICTIS.2019.8883562","DOIUrl":"https://doi.org/10.1109/ICTIS.2019.8883562","url":null,"abstract":"In order to automatically classify the ship’s historical trajectory and predict the class of a ship’s trajectory, a ship’s track classification algorithm based on naive Bayesian method is proposed. Using the Automatic Identification System (AIS) data of the Yangtze River in Wuhan section, the AIS data is first preprocessed to extract valid trajectory data. Then the trajectory data is analyzed and the characteristics of average speed, average heading, maximum heading, minimum heading, heading variance and maximum turning rate are extracted. The Naive Bayes classifier is trained and verified. The results show that the accuracy of classification is as high as about 98.59%. It takes only 0.165s to extract features from 709 ship trajectories. The Naive Bayesian classification method can effectively classify inland ship trajectories.","PeriodicalId":325712,"journal":{"name":"2019 5th International Conference on Transportation Information and Safety (ICTIS)","volume":"54 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":"126939137","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}