• 제목/요약/키워드: Vehicle in service

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5G 기반 자율주행차 활용 산업-서비스 분류체계 개발 (An Industry-Service Classification Development of 5G-based Autonomous Vehicle Applications)

  • 김동하;박선정;임춘성
    • 한국전자거래학회지
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    • 제24권2호
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    • pp.91-112
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    • 2019
  • 5세대 통신기술(5G)의 등장에 따라 4차 산업혁명 관련 첨단기술과 융합한 다양한 통신 서비스가 나타나고 있다. 그 중, 5G 기술의 효과적 실용적 활용을 위해 본 논문에서는 IT 전문가들을 대상으로 설문을 실시하였고, 그 결과 5G 기술과 융합하여 가장 많은 서비스 활성화를 이끌 수 있는 4차 산업혁명 분야로서 자율주행차가 선정되었다. 이를 기반으로, 5G 기반 자율주행차 활용 산업 및 서비스 분류체계를 개발함으로써 자율주행차를 활용한 신사업 개발 및 새로운 비즈니스 모델개발을 지원하는 기틀을 제공하였다. 이와 더불어, 개발된 새로운 자율주행자동차 산업-서비스 분류체계를 통해 연계 Matrix를 작성하여 향후 차세대 자율 주행차가 활용될 수 있는 분야에 대한 실용적인 산업-서비스 개발을 위한 가이드라인을 제공하고자 한다.

구조방정식 모형을 이용한 군(軍) 정비부대 서비스품질과 고객만족 측정에 관한 연구 (A study of Military-Vehicle Maintenance Service Quality and Customer Satisfaction by Structural Equation Model(SEM))

  • 서정환
    • 한국경영과학회:학술대회논문집
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    • 한국경영과학회 2007년도 추계학술대회 및 정기총회
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    • pp.171-175
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    • 2007
  • The Service sector has increased in importance over the last decade in troops. Military included public sector, but has very different peculiarity from other public institution. So it's necessary that developing an evaluation tool that measuring service quality and customer satisfaction for troops. This study was conducted to identify tile service quality factors which are utilized to measure military vehicle maintenance service quality and customer satisfaction. In this paper, developing a Structural Equation Model at 'three dimensional model of service quality', and it is applied to customers of military vehicle maintenance service.

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무인운전 열차의 실내설비 및 승객 출입문 설계에 대한 고찰 (The Survey of the Interior facilities and Passenger side door systems for driverless rail vehicle)

  • 박성호;박재홍;염규학
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2007년도 추계학술대회 논문집
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    • pp.135-142
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    • 2007
  • The service running of driverless rail vehicle has been required by various social and commercial issue. Currently, the new domestic line between Bu-san and Gim-hae is plan to be provided the LRV(Light Rail Vehicle) with driverless operation firstly in domestic service. These driverless vehicle have some major properties to make it lower the operating and maintenance cost, however on the other side, it unavoidably raise some potential hazard to make it lower the passenger safety because it is hard to take care immediately in emergency state during vehicle running. Therefore it is highly requested that we should consider various conditions at design stage to manufacture and operate the safest vehicle. Therefore, in this paper, we will survey the design concept of vehicle interior facilities based on the previous experience, (1) The difference of interior facilities between normal and driverless vehicle, (2) design and operational concept of passenger side door function to find out best application for domestic line driverless vehicle.

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자동차 제작결함조사 통계 분석을 통한 리콜제도 연구 (A Study on Recall Systems of Motor Vehicle by Statistical Analysis of Defects Investigation)

  • 송지현;권해붕;이광범;김희준
    • 자동차안전학회지
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    • 제7권4호
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    • pp.20-25
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    • 2015
  • The basic point of a vehicle recall is to remove vehicle defects as soon as possible and thus prevent possible road traffic accidents caused by the defects beforehand. Therefore, the core of vehicle recall under the self-certification system consists of a timely response and fast remedy of defects. The present study aimed to deduce a plan for improvement of the system necessary for the fast remedy of defects through a phased analysis of defect investigation procedure based on defect investigation statistical data. There will be a need to make the TSB(Technical Service Bulletin) or service campaign data submission of a manufacturer compulsory for the collection of broad defect information in the stage of information analysis and to impose a higher penalty when the manufacturer violates the data submission in the investigation stage. In addition, it is considered that an active service campaign should be induced and a punishment for late recall will be needed for consumer protection.

ABS 모듈의 접속부 및 전원배선 손상으로 인한 차량화재 사고사례 분석 (Analysis on the Fire Accident of Vehicle Due to Damage of Connector and wiring on an Anti-lock Brake System(ABS) Module)

  • 박남규;김진표;남정우;박종택;송재용
    • 한국안전학회지
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    • 제32권5호
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    • pp.13-19
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    • 2017
  • In this paper, study of vehicle fire cases caused by connector and power wiring of anti-lock brake system(ABS) module damage is presented. The purpose of ABS module is to improve braking and steering ability under sudden stop of the vehicle by repeatedly activating and releasing the brake with electric signal via electric control unit. The electric control unit for ABS may experience incomplete contact between power line and signal line or electrical breakdown on the printed circuit board by undergoing repetitive signal change which would consequently result in electrical heat and spark, eventually leading to automotive fire. Therefore, the purpose of this paper is to provide fundamental data by analyzing connector and power wiring of ABS module damage conducive to the precise investigation on the cause of vehicle fire.

차량용 앱 및 앱 마켓 유형에 대한 잠재고객의 사용의도 분석 연구: 스마트폰과의 상호 운용성의 중요성 (AStudy of Potential CustomerUsage Intentfor in-Vehicle Apps and App Markettype)

  • 홍주혜;이창훈;박규홍
    • 한국정보시스템학회지:정보시스템연구
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    • 제32권3호
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    • pp.225-251
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    • 2023
  • Purpose The purpose of this study is to examine the future direction of in-vehicle app development and service, the relationship between potential customers' intention to use and the factors that affect it was explored. It was also checked whether the two types of app development platform and the experience of the existing smartphone app platform had a moderating effect on these relationships. Design/methodology/approach Data was gathered through surveys, collecting responses from 904 potential consumers of vehicle app services in Korea. Structural equation modeling was utilized to analyze the data. Findings According to the empirical analysis result, it was found that potential customers considered enjoyment as the most important benefit factor in in-vehicle app service, and the most important external factor affecting enjoyment was functional compatibility with smartphone. The type of vehicle app development platform did not have a meaningful moderating effect on the factor relationship, whereas the smartphone app platform experience showed a meaningful moderating effect on the relationship between factors. It was analyzed that the risk of app performance, personal information privacy, and driving safety data did not have a negative effect on the intention to use the vehicle app service.

정보보호를 고려한 전기자동차 충방전 시스템의 인증과 운영에 관한 연구 (Secured Authentication Scheme and Charging & Discharging System Operation for Electric Vehicles)

  • 이성욱
    • 문화기술의 융합
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    • 제7권1호
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    • pp.551-557
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    • 2021
  • 전기자동차의 증가에 따라 공공장소의 전기자동차 충방전 기반시설 또한 급격히 늘어나고 있다. 전기자동차의 충방전을 위해서는 보안상의 취약점을 최소화하기 위해 전기자동차와 서비스 제공자가 서로의 신원을 확인하는 상호인증과정 후에 층방전 서비스를 시작하여야 한다. 본고에서는 해쉬함수와 메시지 인증코드를 사용하여 전기자동차와 충방전 서비스 제공자간의 양방향 인증 방법을 제안한다. 그리고 효율적인 충방전 시스템의 운영에 대해 기술한다. 제안된 시스템은 외부로 부터의 공격에 강한 내성을 가지며 충방전 서비스 이용자의 개인정보를 효과적으로 보호할 수 있다.

Node-RED 기반 동적 차량 서비스 시뮬레이션 툴 개발 (Development of Dynamic Vehicle Service Simulation Tool based on Node-RED)

  • 류민우;이종언;차시호
    • 디지털산업정보학회논문지
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    • 제18권4호
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    • pp.77-83
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    • 2022
  • As users' needs for customized services increase, the service provision method is changing from a vertical structural service provision method to a horizontal structural service provision method. This paradigm shift has led to a change from the way existing users find the content they want to find and provide customized needs of users by content providers. With the recent development of smartphones and various AI technologies, demand for providing seamless services such as smartphones is increasing in automobiles. However, it is difficult to provide services in line with changes in this service paradigm because automobile services provide services centered on finished car manufacturers rather than individually providing services tailored to user needs. In this paper, we develop a Node-RED-based dynamic vehicle service simulation tool so that users can use the service they want in cars. The simulation tool developed provides a simulation environment for services authored by the user using NodeRed by writing, registering, and using NodeRed.

도시형 자기부상열차의 차체 및 대차프레임 하중시험방법 (Load Test Method of Vehicle Body and Bogie Frame for Urban Maglev Vehicle)

  • 한정우;김재동;허영철;한성욱;김범수
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
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    • pp.924-930
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    • 2011
  • Maglev vehicle has two parts a vehicle body and a series of bogies. The vehicle body is connected through a pneumatic suspension on the bogie frame operating loads, vehicle weight and passengers, repeatedly during the service life. The bogie frame plays an important role in sustaining the weight of the vehicle body and controlling the magnets in the correct alignment to meet requirements of stable running on railway. It is also subjected to the levitation and guidance force and propulsion force generated by electromagnets and linear induction motor (LIM) respectively. To guarantee a vehicle system, it is necessary to identify a load test method with proper loads that the vehicle is expected to experience while in service. In this paper, a test method was proposed to verify the structural safety of vehicle body and bogie frame that are applied to an EMS(electromagnetic suspension)-type urban Maglev vehicle considering in case of not only running on the ground but also levitated running.

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어린이 통학버스 운영 서비스 평가체계 개발 (Development of an Evaluation Framework for School Bus Operation Service)

  • 박보현;송혜인;신강원
    • 자동차안전학회지
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    • 제15권4호
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    • pp.79-87
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    • 2023
  • In recent years, the population of children has been declining in Korea. Moreover, the phenomenon of elementary school closures is on the rise, particularly in non-urban and some new city areas, highlighting the need for school buses for children. Despite the mandatory safety features in place, accidents involving school buses for children are on the rise, underscoring the need for improvement in the safety of these vehicles. While various studies have been conducted to enhance the safety of children during their school commute, there has been a notable gap in research analyzing the school commuting environment concerning the vehicle safety of these buses. Hence, this study aims to develop a set of service evaluation criteria for school bus routes, considering vehicle safety through the Analytic Hierarchy Process (AHP). By conducting a survey to gather information on the current status of school buses for children and through questionnaires targeting stakeholders in the school bus sector, the study analyzed requirements and operating conditions. These results were used to select evaluation criteria and structure the hierarchy based on the external and internal aspects of school bus services. Through AHP surveys conducted based on the designed criteria, experts identified safety as the most crucial aspect, with a specific emphasis on Vehicle Safety. Using these developed service evaluation criteria, the study plans to identify service-vulnerable routes through a real route analysis and recommend improvements, with the ultimate goal of creating a safe and convenient school commuting environment for children.