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ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)最新文献

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A methodological framework for integrated control in corridor networks 走廊网络综合控制的方法框架
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948734
Y. Pavlis, W. Recker
{"title":"A methodological framework for integrated control in corridor networks","authors":"Y. Pavlis, W. Recker","doi":"10.1109/ITSC.2001.948734","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948734","url":null,"abstract":"This paper presents a framework for an integrated control system, with an embedded travel demand model that reflects drivers' response to the control strategy. The integrated control problem is formulated as an optimal control problem of determining such control variables as the on-ramp metering rates, the minimum green duration, the maximum green duration (or force off), background cycle length (if coordinated) and the critical time gap for vehicle actuated urban signals, subject to the control constrains, so as to optimize a performance index. The approach takes into consideration the interaction between the control strategy and drivers' response to it recognizing the later as a critical parameter to the performance of the system. Finally, a numerical method is proposed for the solution of the formulated optimal control problem.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134529876","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: 3
Boosting efficiency of split marine container terminals by innovative technology 以创新科技提升分体式海运货柜码头的效率
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948758
K. Franke
{"title":"Boosting efficiency of split marine container terminals by innovative technology","authors":"K. Franke","doi":"10.1109/ITSC.2001.948758","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948758","url":null,"abstract":"A research project launched in the US resulted in a proposal to split container ports into an \"efficient marine terminal\" part ashore and an \"intermodal interface center\" inland, both connected by a dedicated ailway line. Driven by German Railways DB's desire to concentrate container flows by introducing a hub and spoke production system, Noell Crane Systems developed a container handling technology that allows for the transhipment of containers between freight trains instead of shunting wagons in 1995. Thus reducing the dwell time of the wagons by 75%. Featuring a highly efficient box mover for the sorting of containers prior to loading them on to the trains, this MegaHub, as it is called, is exactly the technology required for the \"Intermodal Interface Center\". As for the \"efficient marine terminal\", Noell is proposing a technology featuring the allocation of rail-mounted gantry cranes spanning rail tracks used in conjunction with a box mover directly under the quay cranes. This enables the containers to be transhipped between vessel and freight trains without the need to start moving the quay cranes along the vessel for positioning purposes. An advantage of this concept is that yard transfer vehicles are not required, saving a great deal of machinery and labour.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114849913","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: 8
An optimization algorithm for freeway traffic control 高速公路交通控制优化算法
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948637
H. M. Zhang, R. Jayakrishnan, W. Recker
{"title":"An optimization algorithm for freeway traffic control","authors":"H. M. Zhang, R. Jayakrishnan, W. Recker","doi":"10.1109/ITSC.2001.948637","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948637","url":null,"abstract":"This paper presents a discrete time optimal control formulation for the freeway ramp metering problem and a computationally efficient procedure to solve it. The problem has a special structure: its control constraints can be reduced to box constraints through a variable transformation. This transformed problem is solved using a modified quasi-Newton method, which is shown to be superior to the conjugate gradient method in cases where traffic dynamics is more complicated.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115303739","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: 8
Object tracking and classification using laserscanners-pedestrian recognition in urban environment 城市环境中激光扫描仪-行人识别的目标跟踪与分类
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948699
K. Fuerstenberg, V. Willhoeft
{"title":"Object tracking and classification using laserscanners-pedestrian recognition in urban environment","authors":"K. Fuerstenberg, V. Willhoeft","doi":"10.1109/ITSC.2001.948699","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948699","url":null,"abstract":"Current car safety systems are passive systems. Modern car assistance systems are based only on vehicle data. Future safety systems will also include object recognition in the near frontal area of the vehicle to detect dangerous situations. Therefore, special sensors and algorithms are needed. The paper discusses a system using a laserscanner and a video camera.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"181 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115480874","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: 17
Design of dual-duplex system and evaluation of RAM 双双工系统设计与RAM评估
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948747
Hyunki Kim, Jungsuk Lee, Keyseo Lee, Hyuntae Lee
{"title":"Design of dual-duplex system and evaluation of RAM","authors":"Hyunki Kim, Jungsuk Lee, Keyseo Lee, Hyuntae Lee","doi":"10.1109/ITSC.2001.948747","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948747","url":null,"abstract":"We develop the dual-duplex system that detects a fault using a hardware comparator which switches to a hot standby redundancy. This system is designed on the basis of MC68000 and can be used in VMEbus. To improve the reliability and safety, the dual-duplex system is designed in double modular redundancy. The failure rate of the electrical element is calculated in MILSPEC-217F by RELEX6.0 tool, and the system RAMS (reliability, availability, maintainability, safety) and MTTF (mean time to failure) are designed by Markov modeling and evaluated by Matlab. Since the dual-duplex system has high reliability, availability, and safety, it can be applied to embedded control systems like airplanes and high-speed railway systems.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122687917","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: 7
Genetic-algorithm based approach for calibrating microscopic simulation models 基于遗传算法的微观仿真模型标定方法
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948745
Kyu-Ok Kim, L. Rilett
{"title":"Genetic-algorithm based approach for calibrating microscopic simulation models","authors":"Kyu-Ok Kim, L. Rilett","doi":"10.1109/ITSC.2001.948745","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948745","url":null,"abstract":"In the transportation field simulation has been widely used as a powerful tool for the analysis and design of transportation systems. The proper calibration of the input parameters of microscopic simulation models is essential if the model is to replicate supply characteristics, demand characteristics, and their interaction. These parameters affect the interaction among the driver, vehicle, and the roadway environment systems. This paper presents an automatic calibration approach for microscopic simulation model that is based on a genetic algorithm. The proposed approach can be demonstrated on a section of US 290 in Houston and a section of I-37 in San Antonio, Texas.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"47 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125909020","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: 33
An adaptive windowing prediction algorithm for vehicle speed estimation 一种车辆速度估计的自适应窗预测算法
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948780
Tun-Wen Pai, Wen-Jung Juang, Lee-Jyi Wang
{"title":"An adaptive windowing prediction algorithm for vehicle speed estimation","authors":"Tun-Wen Pai, Wen-Jung Juang, Lee-Jyi Wang","doi":"10.1109/ITSC.2001.948780","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948780","url":null,"abstract":"A novel integrated system for vehicle speed estimation is presented. The mean traffic speed is estimated by using a sequence of video images from CCD cameras on the road and performing image analysis techniques pixel distance calculation, and inverse perspective transformation with known parameters. Moving vehicles are detected by applying frame differencing methodology: a combination of morphological operations and image region growing techniques. A new fast search algorithm, called adaptive windowing prediction based on determined vehicle speed in previous frame, is proposed for improving real-lime system computational efficiencies. Experimental results show that the proposed system exhibits good performance at a significantly reduced computation complexity.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129456259","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: 16
Embedded Computer/Communication SubSystem for bridge vibration control 桥梁振动控制的嵌入式计算机/通信子系统
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948750
V. DeBrunner, L. DeBrunner, M. Ta, J. Davis
{"title":"Embedded Computer/Communication SubSystem for bridge vibration control","authors":"V. DeBrunner, L. DeBrunner, M. Ta, J. Davis","doi":"10.1109/ITSC.2001.948750","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948750","url":null,"abstract":"We describe an embedded computer/communication sub-system that is used to implement semi-active control. The objective of the control is to reduce the vibrations in a steel-girder bridge and so increase the lifespan of the bridge. An ancillary goal of the control is to increase the dynamic load-carrying capacity of the bridge. We use a wireless-interconnected network of computing nodes, with a remote logging capability for maintenance and performance monitoring. Using this vibration-control system, the life-span of bridges can be extended more than double.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130202564","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: 3
Fuzzy traffic signal control in major arterials 主干道模糊交通信号控制
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948681
J. Niittymaki, T. Kosonen, R. Nevala
{"title":"Fuzzy traffic signal control in major arterials","authors":"J. Niittymaki, T. Kosonen, R. Nevala","doi":"10.1109/ITSC.2001.948681","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948681","url":null,"abstract":"The opportunities offered by fuzzy logic for controlling traffic are the subject of our FUSICO-research project in Finland at the Helsinki University of Technology. In the previous studies of FUSICO-project, traffic signal control based on fuzzy logic has successfully been tested in urban intersections. The promising results of simulations and field installation suggest that the fuzzy control method would be competitive also in high-class arterial roads with high safety and efficiency demands. Encouraged by this, we are developing a fuzzy control method ITCARI for arterial intersections. The pilot version of ITCARI-control is installed at an intersection in the city of Tampere, and the field measurements will be done during summer 2001. First simulation studies of the Tampere case indicate competitive performance of the fuzzy control method on arterial roads.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128822563","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: 13
A traffic flow forecast supported system based multi-agent 基于多智能体的交通流预测支持系统
ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585) Pub Date : 2001-08-25 DOI: 10.1109/ITSC.2001.948731
Shoufeng Ma, G. He, Shi-tong Wang
{"title":"A traffic flow forecast supported system based multi-agent","authors":"Shoufeng Ma, G. He, Shi-tong Wang","doi":"10.1109/ITSC.2001.948731","DOIUrl":"https://doi.org/10.1109/ITSC.2001.948731","url":null,"abstract":"The real time forecast of traffic flow is the function of intelligent transport systems (ITS), and no one of the forecasting methods dominates the others obviously in all conditions. An intelligent forecasting system built on many forecasting models is proposed and the emphases of the system is the expression of knowledge, design and implementation of the model base and the choosing the model which is implemented by multi-agent theory. The forecasting results of the system under simulation are compared with the results given by single model.","PeriodicalId":173372,"journal":{"name":"ITSC 2001. 2001 IEEE Intelligent Transportation Systems. Proceedings (Cat. No.01TH8585)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125993115","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: 4
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