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        검색결과 36

        1.
        2023.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        PURPOSES : The purposes of this study are to identify appropriate numbers of drivers for different time periods by analyzing the service times of the Special Transportation System and to shorten the waiting time to within 15 minutes. METHODS : In this study, the service time is divided into the call connection time (At), dispatch time after reception (Bt), vehicle arrival time after dispatch (Ct), and vehicle boarding time (Dt), and the annual average value for each time zone is calculated by analyzing the dispatch system database. Furthermore, the number of drivers working in each time period is extracted and the appropriate number of drivers for ensuring the dispatch waiting time remains within 15 minutes is determined. RESULTS : It is more accurate to interpret the decrease in dispatches during lunchtime as a decrease in the number of operational vehicles owing to the drivers' lunchtimes rather than a decrease in demand. During lunchtime (as in previous studies) the number of operations decreases, but the average dispatch time (Bt) greatly increases to 22:42; thus, it cannot be seen as a decrease in dispatch demand. The number of operations during lunchtime is proportional to the number of drivers on duty. The number of drivers on duty is inversely proportional to the average dispatch time. If the number of drivers is increased by 11.6%, the average waiting time can be reduced to within 15 minutes. CONCLUSIONS : To resolve delayed call connection issues, we will introduce an artificial intelligence (AI) call center. During the hours of 7 PM to 6 AM, calls will mainly be handled by AI and the counseling personnel will switch to daytime work. We will also increase the number of drivers by 11.6% to ensure that the dispatch time does not exceed an average of 15 minutes after receiving a call. In particular, we will generate the work schedule such that more than 131 drivers work in the 12:00 to 13:00 hours during lunch time to improve the situation where users have to wait for a long time. To do this, we will overlap the work hours for 2 hours in Jeonju and 1 hour in other cities and counties. We have to increase the number of night shift workers from seven to 15 so that all cities and counties can operate vehicles 24 hours a day, 365 days a year.
        4,300원
        3.
        2020.11 구독 인증기관 무료, 개인회원 유료
        The object of this study is to analyse the intention to use mobile payment in transportation system through four dimensions which is cashless Characteristics, Individual Differences, Adoption Readiness and Perceived Credibility Risk. 1080 respondent data gathered by the survey method and analysed by SEM-PLS. The study shows that the main reason for the society to use mobile payment in transportation systems are the facilitating conditions and perceived usefulness. While the perceived usefulness is significantly affected by the compatibility and convenience. It brings a big impact toward the increasing use of mobile payment if the company focused on that variables for markets their products. Furthermore, the facilitating conditions can be increased by adding more infrastructure and more effective, integrated, and efficient system to also increase the convenience and compatibility of using the mobile payment. Perceived Usefulness also can be increased by adding more promotion, discount, and partnering merchants that can be used through mobile payment. This study can assist the business owner what to focus their business model to efficiently exert appropriate investment and effort in the transportation system.
        5,100원
        5.
        2015.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Recently, the Korean government has been making efforts to achieve ‘creative economy’ based on science and technology. As part of these efforts, it has been promoted specific policies for innovation and performance enhancement of national R&D projects. They contains commercialization of research outcomes, technology transfer, technology based startup and support small and medium-sized businesses. The railroad transportation industry is a representative in the field of SOC and has own characteristics different from other industry areas. Especially, industry and market of railroad transportation are directly related to planning and implementation of government SOC policies. So in order to promoting commercialization of railroad transportation projects, it is very important to ensure consistency between government policies and R&D projects. In this paper, we investigate barriers of successful commercialization with typical researchers in the area of railroad transportation, and suggest problems and improvements of policy-based commercialization by giving specific examples.
        4,000원
        6.
        2012.10 구독 인증기관 무료, 개인회원 유료
        The purpose of this paper is to present Smart Virtual TRS(Trunked Radio System) service that gives the TRS function in mobile network with smart phone application and server. TRS is essential equipment of logistics vehicle so, most of trunk drivers uses TRS frequently. Developed service is based on smartphone without TRS equipment. Therefore, Smart virtual TRS included in TMS(Transportation Management System) has some effects for logistics company. i) Smart Virtual TRS gives better communication environment between office and drivers. ii) Smartphone App gives flexibility to TMS functions. iii) Smart Virtual TRS gives cost reduction effect.
        4,000원
        8.
        2011.05 구독 인증기관 무료, 개인회원 유료
        In these days, mobile technology such as smart phone and GPS have an effect on business processes of many companies especially a transportation company. The purpose of this paper is to present the development processes of real time vehicles tracking and intelligent TMS(Transportation Management System) using smart phone applications. The objective of this study is two-fold. The first is to redesign business process of the transportation company. Using BPR(business process re-engineering), we analyze current processes to find opportunities for improvement redefining processes after adopting mobile technology precisely. The second is to develop the real time vehicles tracking and intelligent TMS. Proposed system consists of four parts: (1) intelligent TMS(web system) (2) real time vehicle tracking application for TMS (3) real time tracking application for customer (4) salesman supporting application. Developed system was tested at the transportation company and was found to be useful system.
        4,000원
        9.
        2009.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        재난 발생시 보다 안전하고 효율적인 도로 운영을 위해서는 사전에 대피 및 방재경로 등의 지정과 더불어 재난 발생시 상황 변환에 따른 신호운영 방안이 정의되어 있어야 한다. 특히 재난 발생시 운영자의 대응이 지체된다면 도로 이용자의 안전을 확보할 수 없을 뿐만 아니라 막대한 사회적 손실을 입게 되므로 교통방재시스템의 설계방향에 대한 연구가 이루어져야 할 것이다. 본 연구에서는 풍수해로 인한 피해가 잦은 청주시를 대상으로 교통방재시스템을 설계하고, 도로 이용자의 안전을 위해 대피 및 방재경로를 새롭게 정의하였으며, 경로의 효용성을 높이기 위해 신호운영방안을 영향권별로 정의하여 그에 대한 효과를 분석하였다. 본 연구에서 정의한 신호운영을 적용하여 분석한 결과 평상시와 유사한 교통흐름을 나타내었으며, 재난 발생시 재난에 대한 정보를 도로 이용자들에게 최대한 빠르게 전달하고, 상황에 적절한 신호운영을 실시한다면 이용자들의 안전을 확보할 수 있을 것으로 판단되었다.
        4,800원
        10.
        2008.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        유럽 및 미국에서는 안전하며 환경친화적인 연안운송이 활성화되어 있으나 국내의 경우 연안운송에 의한 화물운송은 극히 저조한 실정이다. 본 연구에서는 목포-제주 사이의 해상화물 분석 결과에 기초하여 육상/해상 복합운송시스템을 제안한다. 먼저 목포 및 제주의 반출입 화물 현황을 조사하고 연안항로 및 여객 화물에 대하여 분석한다. 그리고 철도-선박, 트럭-선박의 복합운송과 RORO선 연안운송 등에 대하여 고찰하였다. 마지막으로 목포-제주 항로에 대하여 RORO선을 활용한 연안운송시스템을 제안하고 그 기술적 타당성을 확인하였다.
        4,000원
        11.
        2007.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The objective of this paper is to study the establishing system of truck collaboration and to reduce traffic cost for participating transportation enterprises. The system of truck collaboration can enhance the transport efficiency and to reduce traffic cost without new investment for trucks and equipments. The type of truck collaboration should be enumerated (1) the system of head and branch base (2) the system of central terminal (3) the system of separating collection and delivery for cargo (4) the system of cooperating cargo order and truck allocation. The efficiency of truck collaboration is possible to be realized for transportation enterprises, receiver and sender of cargo.
        4,000원
        12.
        2007.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
          This paper is to determine the transportation size and the location of distribution centers to minimize logistics cost in a distribution system where products are transported from the distribution centers to the retailers. Logistics cost consists of the
        4,000원
        13.
        2005.05 구독 인증기관 무료, 개인회원 유료
        Recently, according to rise importance of logistics cost, transportation management has had high interest. In this paper, we will elicitate optimal routing through transportation management system using case of J corporation.
        3,000원
        14.
        2004.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This paper addresses a model for the transportation planning that determines the transportation cycle time and the ve-hicle Size to minimize the cost In a distribution system The vehicle routing to minimize the transportation distance of the vehicles is a
        4,000원
        15.
        2004.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This paper addresses the transportation planning that is based on genetic algorithm for determining transportation time and transportation amount of minimizing cost of distribution system. The vehicle routing of minimizing the transportation distance of v
        4,300원
        16.
        2004.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In this paper, we purpose the integrated TMS to solve the problem of current systems. The current system resulted in inconvenience because customers and users must contact to each system, when they want to know the information about orders. In this research, we develope a system with which customers and users can confirm all of order information from one system. To solve this problem, the information brought from two systems is integrated by constructing integrated database.
        4,900원
        17.
        2003.11 구독 인증기관 무료, 개인회원 유료
        In this paper, we purpose the integrated TMS to solve the problem of current systems. Current system resulted in the inconvenience because customer and user must contact to each systems when they want to know the information about the order. In this time, we make the system customer and user can confirm all of order information from one system to solve this problem by integrating the information brought from two systems on constructing integrated DataBase.
        4,000원
        18.
        2001.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This paper deals with a network model for the efficient transportation of post and consists of the formulation based on the network model and the LINGO programming model including the operations of the post transportation. This network model is represented by using Time Space Network. The generalized formulation is built up with the input variables and the decision variables, which are defined on the basis of the network model. And LINGO programming model to be proposed with DB and LINGO is constructed in consideration of how to manage the post transportation and the intermodal transport. The results of the model implementation were represented on Time Space Network and they are analyzed and verified. The LINGO programming model is used as the module to be set in application software. Specifically with using GEOmania, GIS tool, the LINGO Model is applied to develop the application for Mail Transportation Decision Support System.
        4,000원
        20.
        2000.11 구독 인증기관 무료, 개인회원 유료
        본 연구는 우편물의 효율적인 수송을 위해 복합연계수송 개념을 도입한 Multi-commodity, Multi-modal Network Model과 이를 토대로 정식화하고 이를 적용 한 LHGO programming Model를 제안하고자 한다. 구축된 LINGO Model은 응용 Application내에 장착되어지는 Module로 구성가능하며 이를 GIS Tool인 GEOmania를 이용한 우편물 수송 DSS을 위한 Application 개발에 활용하고자 한다.
        3,000원
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