Asian Transport Studies最新文献_第9页

Critical factors affecting performance of logistics operation planning considering interdependency: A case study in automotive aftermarket 考虑相互依存关系的物流运营计划绩效影响因素研究——以汽车后市场为例

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100055

Cheng-Hsien Hsieh, Meiting Zhang

{"title":"Critical factors affecting performance of logistics operation planning considering interdependency: A case study in automotive aftermarket","authors":"Cheng-Hsien Hsieh, Meiting Zhang","doi":"10.1016/j.eastsj.2022.100055","DOIUrl":"10.1016/j.eastsj.2022.100055","url":null,"abstract":"<div><p>Automotive aftermarket operations cover a wide scope from aftersales car maintenance to the last stage of car's lifecycle, including all activities in aftermarket parts and services. Logistics operation planning in automotive aftermarket suffers from demand uncertainty and inaccurate forecasting issues. These issues lead to not only inappropriate inventory level, but also poor performance of order fulfilment and customer satisfaction. Therefore, this study explores the important antecedents of order fulfilment using decision making trial and evaluation laboratory (DEMATEL) based on thirteen criteria. An automotive aftermarket company handling business in Southeast Asia is employed as the empirical case. The methodology can determine the critical factors in the logistics operations of automotive aftermarket considering interdependency among factors involved in the proposed system. According to the analytical results, the company should improve accuracy of demand planning, supply chain lead time and stock availability superiorly.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100055"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556022000013/pdfft?md5=5adf602f60a47490aded906336301655&pid=1-s2.0-S2185556022000013-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89771138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Characterizing the economic competitiveness of battery electric vehicles in India 描述印度电池电动汽车的经济竞争力

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100069

Amrut P. Bhosale , Shreyansh Sharma , S.A. Mastud

{"title":"Characterizing the economic competitiveness of battery electric vehicles in India","authors":"Amrut P. Bhosale , Shreyansh Sharma , S.A. Mastud","doi":"10.1016/j.eastsj.2022.100069","DOIUrl":"10.1016/j.eastsj.2022.100069","url":null,"abstract":"<div><p>Electric Vehicles being at a nascent stage in India, albeit at a slower growth rate, faces a significant barrier of economic compatibility. For countries like India, the economic aspect plays a vital role in the widespread of Electric Vehicles. Concentrating on the cost aspect, this paper contemplates the economic compatibility of battery electric vehicles (BEVs) with conventional IC Engine Vehicles (ICEVs), considering a paring vehicle approach and analysing the case study of India. As less research is carried out for India, we aim to develop an extensive total cost of ownership (TCO) model. Furthermore, the Sensitivity analysis presents the effect on TCO by considering parameters as incentives, reduction in battery prices, finance interest rates and Annual Kilometre Travelled (AKT) &EV + PV integration. For the base case, a much abysmal performance is observed for BEVs. While accounting for various Sensitivity analysis parameters, some BEVs reach cost parity while some become more economical than ICEVs.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100069"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556022000153/pdfft?md5=145b19d272bdbd418e219aae8b666d6c&pid=1-s2.0-S2185556022000153-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87411914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

A transportation choice model on the commuter railroads using inverse reinforcement learning 基于逆强化学习的通勤铁路交通选择模型

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100072

Tomohiro Okubo , Naohiro Kitano , Akinori Morimoto

{"title":"A transportation choice model on the commuter railroads using inverse reinforcement learning","authors":"Tomohiro Okubo , Naohiro Kitano , Akinori Morimoto","doi":"10.1016/j.eastsj.2022.100072","DOIUrl":"10.1016/j.eastsj.2022.100072","url":null,"abstract":"<div><p>Conventional transportation policies for railroads have primarily focused on minimizing the negative utility, such as shortening the travel time and reducing congestion. However, with the recent introduction of trains with extra fares for greater comfort and changes in work styles, there is an increasing need to focus on the positive utility of travel itself. Moreover, advances in machine learning and artificial intelligence research have facilitated highly accurate and objective analysis from vast amounts of data. The purpose of this research is to construct a new transportation choice model using inverse reinforcement learning, which is a machine learning method, and to quantify the positive utility of commuter railroads. The results of a comparison of the proposed model with conventional methods indicate the advantages and disadvantages of the model. Further, a transportation choice model for railroads was created to understand the tendency of each selected train type.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100072"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556022000189/pdfft?md5=381bf93ecb242846aad5a81078fedc0b&pid=1-s2.0-S2185556022000189-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88230475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Genetic algorithm with an event-based simulator for solving the fleet allocation problem in an electric vehicle sharing system 基于事件模拟器的遗传算法求解电动汽车共享系统中的车队分配问题

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100060

Hui-Chieh Li , Chung-Cheng Lu , Timo Eccarius , Min-Yi Hsieh

{"title":"Genetic algorithm with an event-based simulator for solving the fleet allocation problem in an electric vehicle sharing system","authors":"Hui-Chieh Li , Chung-Cheng Lu , Timo Eccarius , Min-Yi Hsieh","doi":"10.1016/j.eastsj.2022.100060","DOIUrl":"10.1016/j.eastsj.2022.100060","url":null,"abstract":"<div><p>The study deals with the fleet allocation problem in public electric vehicle (EV) systems with consideration of demand uncertainty. The problem aims to determine the optimal number of EVs deployed at each station and the objective is to minimize the total system cost. We propose a genetic algorithm (GA) with an event-based simulator to solve this problem. To consider demand uncertainty, an event-based simulator is developed and embedded in the GA. This study generates and solves a number of instances based on the historical data obtained from an EV-Sharing system operator in Sun Moon Lake national park in Taiwan. We compare the solutions of the GA with those of an enumeration method. The results show that the GA is able to obtain the optimal solution for more than 70% of the instances. Even when the GA fails to find the optimum, the gaps between optimal solutions and heuristic solutions are less than 0.1%. Moreover, all solutions are found within a reasonable amount of time. The proposed solution approach provides decision support for the fleet allocation in EV-sharing systems.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100060"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556022000062/pdfft?md5=88140593fbeef3f1b23754834dc9a318&pid=1-s2.0-S2185556022000062-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80370943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

A proposal of envelope theorem on the mixed traffic of pedestrians and various mobilities 行人与各种交通工具混合交通的包络定理的提出

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2021.100050

Lubing Zou, Tetsuo Yai

{"title":"A proposal of envelope theorem on the mixed traffic of pedestrians and various mobilities","authors":"Lubing Zou, Tetsuo Yai","doi":"10.1016/j.eastsj.2021.100050","DOIUrl":"10.1016/j.eastsj.2021.100050","url":null,"abstract":"<div><p>As machines gradually are introduced in human society and share public spaces with people, achieving human-machine coexistence becomes significant. Previous studies make contributions but are still insufficient to satisfy the needs of mixed traffic when mobilities increase. For dealing with the mixed traffic and ensuring safe and comfortable walking environments of pedestrians, this research proposes a new envelope theorem divided into physical and mental envelopes. The mental envelope (ME) as the focus of this research explains pedestrian perceptions from two perspectives, SME and OME, expanding the traditional interpersonal distance. To preliminarily explore the acceptance of two MEs and compare their differences, we conduct a questionnaire survey. The results show that MEs are accepted by participants, and express different pedestrian perceptions. The responses of subjective priority order showing the differences between SME and OME indicate their possible relationship. These findings would be beneficial to explore the future applications of MEs.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100050"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556021000183/pdfft?md5=1ab50e757a084f4c644e6e1e53c9dc95&pid=1-s2.0-S2185556021000183-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85908757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Identifying golden routes in tourist areas based on AMP collectors 基于AMP收集器的旅游区黄金路线识别

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2021.100052

Guanghui Zhou , Fumitaka Kurauchi , Shin Ito , Ran Du

引用次数: 3

Exploring the impacts of online food delivery service on facility distribution: A case of Jakarta, Indonesia 探讨在线外卖服务对设施配送的影响:以印度尼西亚雅加达为例

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100078

Maya Safira , Makoto Chikaraishi

{"title":"Exploring the impacts of online food delivery service on facility distribution: A case of Jakarta, Indonesia","authors":"Maya Safira , Makoto Chikaraishi","doi":"10.1016/j.eastsj.2022.100078","DOIUrl":"10.1016/j.eastsj.2022.100078","url":null,"abstract":"<div><p>Multi-service transport platforms (MSTPs) such as GOJEK and GRAB, providing access to many services without traveling, may lead to changes in activity and travel decisions, in turn leading to changes in the distribution of facilities, evidenced by a different distribution pattern and spatial concentration of online food merchants that only provide online food delivery services. This study empirically explores the impacts of MSTPs on food merchant distribution in Jakarta by identifying differences in distributions of dine-in and online food merchants. Our empirical results focusing on the agglomeration of facilities with different spatial scales showed that, while dine-in food merchants are more agglomerated at the metropolitan scale, online food merchants are more agglomerated at the neighborhood scale, presumably due to the necessity to attract MSTP drivers to keep the delivery service level. We also found that online food merchants tend to be agglomerated in the center and fringe area of the city.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100078"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556022000244/pdfft?md5=896d82a0c25e1a213ab978657d8a0b74&pid=1-s2.0-S2185556022000244-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73273740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Prediction of travel time on urban road links with and without point detectors 有和没有点探测器的城市道路交通时间预测

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100081

Ang Li , William H.K. Lam , Mei Lam Tam , Ren Xin Zhong , Wei Ma

{"title":"Prediction of travel time on urban road links with and without point detectors","authors":"Ang Li , William H.K. Lam , Mei Lam Tam , Ren Xin Zhong , Wei Ma","doi":"10.1016/j.eastsj.2022.100081","DOIUrl":"https://doi.org/10.1016/j.eastsj.2022.100081","url":null,"abstract":"<div><p>This paper proposes a short-term rolling horizon framework for the within-day prediction of travel times on links with and without point detectors (referred to as observed and unobserved links respectively) along a selected path covered in the Hong Kong journey time indication system (JTIS). In Hong Kong JTIS, the number of point detectors on major roads is usually limited due to the financial budget and site constraints in the densely populated urban area. However, the prediction of the travel times on urban road corridors particularly on the links without point detectors is also valuable to road users and traffic authorities. This paper proposes a 2-stage framework based on functional principal component analysis and maximum likelihood estimation method to predict the mean and standard deviation of the travel times on the study path and observed links as well as unobserved links once every 2 min for the next 30 min. An urban road network in Hong Kong is selected as a case study. The prediction results are validated using an independent dataset from JTIS, demonstrating the practical applicability of the proposed framework.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100081"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S218555602200027X/pdfft?md5=69f356f95afcb76e8048b9ebe48fac07&pid=1-s2.0-S218555602200027X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137224411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An improvement on shelter airport selection model during large-scale volcanic disasters: A case study of Hakoneyama Japan 大型火山灾害中避难机场选择模型的改进——以日本箱山为例

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2021.100054

Saharat Arreeras, Mikiharu Arimura

引用次数: 1

Analysis of left-turn lane capacity under autonomous vehicle mixed flow considering the influence of pedestrian volume and crosswalk length 考虑行人量和人行横道长度影响的自动车辆混合流左转弯车道容量分析

Asian Transport Studies Pub Date : 2022-01-01 DOI: 10.1016/j.eastsj.2022.100070

Xin Zhang, Yifei Wang, Hideki Nakamura, Kaixin Liu

{"title":"Analysis of left-turn lane capacity under autonomous vehicle mixed flow considering the influence of pedestrian volume and crosswalk length","authors":"Xin Zhang, Yifei Wang, Hideki Nakamura, Kaixin Liu","doi":"10.1016/j.eastsj.2022.100070","DOIUrl":"10.1016/j.eastsj.2022.100070","url":null,"abstract":"<div><p>Conflicts between pedestrians and left-turning vehicles cause pedestrian safety hazards and decrease vehicle turning capacity at signalized intersections. This commonly occurs in Japan where they share the same traffic light phase. Road capacity is influenced by the interaction between them. Autonomous vehicles (AVs) promise to improve the safety and efficiency of road networks. However, they will face the same problems as human-driven vehicles with pedestrian avoidance. Thus, this study estimated the capacity of the left-turn lane, in Japan, under AV mixed flows taking into account AV penetration rates, pedestrian flow rates, and crosswalk length. The impact of AVs on capacity was analyzed with different settings for the critical gap between vehicles and pedestrians. It was found that if AVs comply perfectly with traffic law, the capacity of the left-turn lane sharply decreases, especially in the case of long crosswalks.</p></div>","PeriodicalId":100131,"journal":{"name":"Asian Transport Studies","volume":"8 ","pages":"Article 100070"},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2185556022000165/pdfft?md5=bcb80d03c9a3d25f7e15bb3f4f8cb18a&pid=1-s2.0-S2185556022000165-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89482306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0