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Modern Sediment Model of Traffic Flow 交通流的现代泥沙模型
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-06-01 DOI: 10.2478/ttj-2021-0023
B. Yedilbayev, A. Brener, A. Shokanova, Aigul Boltayeva
{"title":"Modern Sediment Model of Traffic Flow","authors":"B. Yedilbayev, A. Brener, A. Shokanova, Aigul Boltayeva","doi":"10.2478/ttj-2021-0023","DOIUrl":"https://doi.org/10.2478/ttj-2021-0023","url":null,"abstract":"Abstract The work deals with the mathematical modeling of traffic phenomena. The submitted model is based on a prospective analogy of some described phenomena with particle sedimentation. Both the qualitative analysis of the model and the numerical experiment is carried out. Qualitative results of the research have been compared with the known data of supervision of the traffic on city highways. As a result, the main control parameters which can use for optimal traffic management are highlighted and justified.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"21 1","pages":"301 - 311"},"PeriodicalIF":1.4,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81047362","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 Digital or Sustainable Small and Medium-Sized Port? Sustainable Port Blueprint in the Baltic Sea Region Based on Port Benchmarking 数字化还是可持续发展的中小型港口?基于港口标杆的波罗的海地区可持续港口蓝图
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-06-01 DOI: 10.2478/ttj-2021-0026
C. Meyer, L. Gerlitz, R. Philipp, V. Paulauskas
{"title":"A Digital or Sustainable Small and Medium-Sized Port? Sustainable Port Blueprint in the Baltic Sea Region Based on Port Benchmarking","authors":"C. Meyer, L. Gerlitz, R. Philipp, V. Paulauskas","doi":"10.2478/ttj-2021-0026","DOIUrl":"https://doi.org/10.2478/ttj-2021-0026","url":null,"abstract":"Abstract Small and medium-sized ports (SMSPs) in the Baltic Sea Region (BSR) are caught in a dilemma of less financial support by the European funding programmes due to their peripheral position in the TEN-T Core Network. Most of the BSR ports belong to the TEN-T Comprehensive Network, which is rationally less important in the topical financial, infrastructural and policy discourses. Despite this, BSR ports are of a colossal importance for the regional economic development serving as gateways for the individual regions and drivers of socio-economic and environmental transition. In addition, ports are essential in pursuing new innovation avenues. The environmental targets published by the European Commission for maritime sector in 2030 and 2050 are applicable for SMSPs as well, creating further obstacles and future challenges on the one hand, but opening new horizons to grow and innovate on the other one. A successful environmental and digital transformation going hand in hand in SMSPs enable sustainable boost of sustainable development. Thus, as a first step, the assessment of sustainable readiness in SMSPs is incumbent in order to implement tailor-made solutions on individual basis, by ensuring efficient usage of available resources and capabilities. In line with the Connect2SmallPorts project, part-financed by the INTERREG South Baltic Programme, 38 SMSPs in the BSR were approached to mapping their digital readiness according to the methodology of the Digital Readiness Index for Ports (DRIP), published within the project in 2020. Building upon this, this paper introduces the idea of digital and environmental twinning to conclude on sustainable development potentials in SMSPs with an adaptation of the DRIP score. Hence, the research contributes to the sustainable port concept and illustrates the positioning of SMSPs in the progress of sustainable development.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"19 1","pages":"332 - 342"},"PeriodicalIF":1.4,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88449271","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
Analysis and Prediction of Vehicles Speed in Free-Flow Traffic 自由流交通中车速的分析与预测
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-06-01 DOI: 10.2478/ttj-2021-0020
A. Maczyński, K. Brzozowski, A. Ryguła
{"title":"Analysis and Prediction of Vehicles Speed in Free-Flow Traffic","authors":"A. Maczyński, K. Brzozowski, A. Ryguła","doi":"10.2478/ttj-2021-0020","DOIUrl":"https://doi.org/10.2478/ttj-2021-0020","url":null,"abstract":"Abstract Speed is a crucial factor in the frequency and severity of road accidents. Light and heavy vehicles speed in free-flow traffic at six locations on Poland’s national road network was analyzed. The results were used to formulate two models predicting the mean speed in free-flow traffic for both light and heavy vehicles. The first one is a multiple linear regression model, the second is based on an artificial neural network with a radial type of neuron function. A set of the following input parameters is used: average hourly traffic, the percentage of vehicles in free-flow traffic, geometric parameters of the road section (lane and hard shoulder width), type of day and time (hour). The ANN model was found to be more effective for predicting the mean free-flow speed of vehicles. Assuming a 5% acceptable error of indication, the ANN model predicted the mean free-flow speed correctly in 84% of cases for light and 89% for heavy vehicles.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"49 1","pages":"266 - 277"},"PeriodicalIF":1.4,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84550942","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: 5
Data Sources Analysis for Sustainable Trip Planner Development for Riga City 里加市可持续出行规划开发的数据来源分析
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-06-01 DOI: 10.2478/ttj-2021-0025
Alise Diņko, Irina Jackiva, E. Budiloviča
{"title":"Data Sources Analysis for Sustainable Trip Planner Development for Riga City","authors":"Alise Diņko, Irina Jackiva, E. Budiloviča","doi":"10.2478/ttj-2021-0025","DOIUrl":"https://doi.org/10.2478/ttj-2021-0025","url":null,"abstract":"Abstract In today’s daily traveller world, not only the time and money became important, but climate change and pandemic raised the importance of safety and sustainability of future trip plans. In order to provide such a wide coverage for a variety of important information, a sustainable trip planner needs to receive a lot of data from a variety of differentiated data sources. Provided review of related works shows that a lot of started activities in this aspects gives all of us promises and hope that available Big Data sources will be wisely used in order to bring added value not only to individual travellers, but also society, the transportation services will become better structured and information will be easily available for smart and safe decision making, that gradually will increase life quality. The study’s main goal is analysis of open data sources for the trip planner development. Authors analysed availability of data for Riga transport system and data usage for sustainable trip planner.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"106 1","pages":"321 - 331"},"PeriodicalIF":1.4,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79277650","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
Genetic Algorithm for the Pick-up and Delivery Problem with Time Window by Multi-Compartment Vehicles 多车厢车辆带时间窗取货问题的遗传算法
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-06-01 DOI: 10.2478/ttj-2021-0027
B. Ousmane, D. Moustapha, C. Adama
{"title":"Genetic Algorithm for the Pick-up and Delivery Problem with Time Window by Multi-Compartment Vehicles","authors":"B. Ousmane, D. Moustapha, C. Adama","doi":"10.2478/ttj-2021-0027","DOIUrl":"https://doi.org/10.2478/ttj-2021-0027","url":null,"abstract":"Abstract In this article we focus on multi-compartment vehicles that have to pick-up goods from suppliers and deliver them to various customers. Usually these goods cannot be transported by single-compartment vehicles due to the fact that some products are harmful to others: incompatibility between products. It is therefore a question of satisfying a set of customers while respecting the constraints linked to the capacity of each vehicle compartment, each type of product and ensuring that each supplier is visited before his customer. Our work consists firstly of mathematically modelling the problem described and secondly of solving it using methods due to its complexity. In this case we use the genetic algorithm to solve the pick-up and delivery problem of goods with a time window provided by multi-compartment vehicles. Our model allows to find a minimum distance and a minimum cost in the tour carried out by a reasonable number of vehicles.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"12 1","pages":"343 - 352"},"PeriodicalIF":1.4,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79880396","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
Trajectory Planning of Autonomous Vehicle in Freeway Driving 高速公路自动驾驶车辆行驶轨迹规划
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-06-01 DOI: 10.2478/ttj-2021-0021
H. Ghariblu, H. B. Moghaddam
{"title":"Trajectory Planning of Autonomous Vehicle in Freeway Driving","authors":"H. Ghariblu, H. B. Moghaddam","doi":"10.2478/ttj-2021-0021","DOIUrl":"https://doi.org/10.2478/ttj-2021-0021","url":null,"abstract":"Abstract This paper describes trajectory planning for an Autonomous Vehicle (AV) in the freeway path. Three types of driving modes are analyzed. First was free flow, this constitutes that moving at the desired speed is determined at the beginning of the movement. Second case was car following, when overtaking or lane-change was impossible, distance or speed adaptation is executed using the variable acceleration/deceleration strategy. Third case was lane change or overtaking. For lane change or overtaking paths, the 5th degree polynomial is used to create a curvilinear path to changes its path to the left lane and then returns to its default lane. The velocity and relative distances of cars are main factors for decision making. All proper driving decisions algorithm is introduced. According to autonomous car desired velocity, in the two driving cases (fast and slow desired velocity for AV) are studied by simulation and their results analyzed and compared with together.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"58 1","pages":"278 - 286"},"PeriodicalIF":1.4,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86445063","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
A Reliability-Exploitation Analysis of a Static Converter Taking Into Account Electromagnetic Interference 考虑电磁干扰的静态变换器可靠性开发分析
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-04-01 DOI: 10.2478/ttj-2021-0017
J. Paś, A. Rosiński, K. Białek
{"title":"A Reliability-Exploitation Analysis of a Static Converter Taking Into Account Electromagnetic Interference","authors":"J. Paś, A. Rosiński, K. Białek","doi":"10.2478/ttj-2021-0017","DOIUrl":"https://doi.org/10.2478/ttj-2021-0017","url":null,"abstract":"Abstract The paper presents issues associated with the impact of electromagnetic interference on static converters, which exploitation in a railway transport environment. The measurements of an electromagnetic field emitted by a static converter were shown. Designs of this kind are exploitation in railway facilities, therefore, they should not disturb the functioning of other equipment, the rail traffic control systems, in particular. As a result of the EMC tests, it was concluded that the permissible values of conducted interference emissions were exceeded. An analysis of the obtained results enabled developing a research model, and a further reliability and exploitation analysis, taking into account electromagnetic interference. This, in turn, enabled determining a relationship allowing to determine the probability of a static converter staying in a state of full ability. The presented discussions regarding a static converter, taking into account electromagnetic interference, allow for the numerical assessment of different types of solutions (technical and organizational), which can be implemented in order to mitigate the impact of electromagnetic interference on a system’s functioning.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"4 1","pages":"217 - 229"},"PeriodicalIF":1.4,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81414333","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: 6
Impact of Regional Climate Change on the Infrastructure and Operability of Railway Transport 区域气候变化对铁路运输基础设施和可操作性的影响
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-04-01 DOI: 10.2478/ttj-2021-0014
E. Kostianaia, A. Kostianoy, M. Scheglov, A. I. Karelov, A. Vasileisky
{"title":"Impact of Regional Climate Change on the Infrastructure and Operability of Railway Transport","authors":"E. Kostianaia, A. Kostianoy, M. Scheglov, A. I. Karelov, A. Vasileisky","doi":"10.2478/ttj-2021-0014","DOIUrl":"https://doi.org/10.2478/ttj-2021-0014","url":null,"abstract":"Abstract This article considers various aspects of the impact of climate change on the railway infrastructure and operations. A brief international overview and the importance of this issue for Russia are given. Temperature effects, permafrost thawing, strong winds, floods and sea level rise, long-term effects, and adaptation measures are discussed. In conclusion, the authors give several recommendations on further research in this area, and highlight that special attention should be given to the areas in the Russian Federation which already face or might soon experience damage from storm events or flooding and sea level rise, namely Kaliningrad Region on the Baltic Sea, the area between Tuapse and Adler in Krasnodar Region on the Black Sea, and on Sakhalin Island from the side of the Sea of Japan.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"19 1","pages":"183 - 195"},"PeriodicalIF":1.4,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75682617","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
How Does Pedestrian-Driver Behavior Influence in the Number of Crashes? A Michigan’s Case Study 行人驾驶行为对交通事故数量有何影响?密歇根州的案例研究
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-04-01 DOI: 10.2478/ttj-2021-0012
Fadi Alhomaidat, Lusanni Acosta-Rodriguez
{"title":"How Does Pedestrian-Driver Behavior Influence in the Number of Crashes? A Michigan’s Case Study","authors":"Fadi Alhomaidat, Lusanni Acosta-Rodriguez","doi":"10.2478/ttj-2021-0012","DOIUrl":"https://doi.org/10.2478/ttj-2021-0012","url":null,"abstract":"Abstract This study provides with a safety assessment of the pedestrian’s crash data in one of the largest cities of the state of Michigan, Grand Rapids. Crash data reviewed included a 9-year period between years 2010 and 2018. Crash clusters with largest number of accidents were selected to perform analysis based on the normalization of crash with population (using Census Bureau information). Geographic Information System (GIS) software was used to gather this data using a 250-feet buffer around the clusters. Also, GIS was used to identify the infrastructure design and locations nearby the studied area (e.g. schools and hospitals) to understand the crash environments. Observation of the associated factors with pedestrian crashes were studied at the location of interest. An analysis of all safety efforts was completed and a list of recommendations and possible implementation strategies (e.g. pedestrian countermeasures). Finally, it was found that four types of pedestrian crashes were most representative that crashes involved left-turning vehicle, crashes involved right-turn vehicle, crashed involved pedestrian in crosswalk and through traffic, and pedestrian were not cross at designated cross location","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"4 1","pages":"152 - 162"},"PeriodicalIF":1.4,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81670890","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
Constructing Reference Plans of Two-Criteria Multimodal Transport Problem 构建双准则多式联运问题参考方案
IF 1.4
Transport and Telecommunication Journal Pub Date : 2021-04-01 DOI: 10.2478/ttj-2021-0010
Krzysztof Przystupa, Z. Qin, Serhii W. Zabolotnii, V. Pohrebennyk, S. Mogilei, Chen Zhongju, L. Gil
{"title":"Constructing Reference Plans of Two-Criteria Multimodal Transport Problem","authors":"Krzysztof Przystupa, Z. Qin, Serhii W. Zabolotnii, V. Pohrebennyk, S. Mogilei, Chen Zhongju, L. Gil","doi":"10.2478/ttj-2021-0010","DOIUrl":"https://doi.org/10.2478/ttj-2021-0010","url":null,"abstract":"Abstract The object of this study is a multicriteria transport problem, being stated for availability of several means of cargo delivery, meaning a multimodal transport problem. The optimization criteria of the multimodal transport problem described above are two objective functions of minimizing total transportation costs and level of transport risks. Three types of transport were selected for research: automobile, rail and river (inland waterway). The results of the study lay the foundation for development of a new valid algorithm for solving multimodal transport problems like multi-criteria optimization ones. The main advantage of such an algorithm lies in its higher potential convergence rate compared to classical numerical optimization methods, which now are predominantly used to solve the problems of this type. This advantage may not be decisive, but it appears to be at least quite an important argument when choosing the method of realization for two-criteria multimodal transport problems earlier considered, especially, in case of a large dimension. Moreover, the algorithm described in the work can be applied to similar problems with any number of types of transport and optimization criteria.","PeriodicalId":44110,"journal":{"name":"Transport and Telecommunication Journal","volume":"58 1","pages":"129 - 140"},"PeriodicalIF":1.4,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83988348","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
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