• 경영과학
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• 제19권2호
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• pp.75-89
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• 2002

According to the fast-paced environment of information technology and improving customer services, the design activities of logistics systems improve customer centric services and delivery performance implementing e-logistics system. The fundamental design issues that arise in the delivery system planning are optimizing the system with minimum cost and maximum throughput and service level. This study is concerned with the integrated model development of delivery system with customer responsive service level for DCM, Demand Chain Management. We used a two-step approach for this study. First, we formulated the supply. center facility planning using stochastic set-covering problem and assigned the customers to the supply center using clustering algorithm. Second, we developed vehicle delivery planning for a supply center based on GIS, GIS-VRP. Also we developed a GUI-type computer program for proposed method for supply center problem using GIS and Geo-DataBase of Busan area. The computational results showed that the proposed method was very effective on a set of test problems.

• 산업경영시스템학회지
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• 제36권3호
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• pp.51-62
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• 2013

We propose a method using QFD for design the hierarchical structure of AHP. This method provides definition for each area of House of Quality and design the hierarchical structure of the bottom-up QFD/AHP in which the upper hierarchy is designed through the classification of common characteristics with a focus on the lower hierarchy. Finally, we apply it to the development of an evaluation index for selecting heavy lifting service providers. This study has significance as the first instance of designing the archical structure of AHP after objectively verifying whether MECE condition, the basic requirement for AHP design, is satisfied.

• 대한인간공학회지
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• 제31권1호
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• pp.211-217
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• 2012

Objective: The aim of this study is to show a correct application procedure using the compact Korean anthropometric data application program called Korean Human Scale(KHS) for anthropometric design. Background: The nation-wide anthropometric survey project called 'Size Korea' developed KHS and distributed it to the public on the web site. But some insufficiency of the current web service of KHS misleads the users; they just put their own statue and pick up a meaningless data for a body dimension. Method: This study provides five steps to follow to read appropriate data from KHS for an anthropometric design. Results: As a case study, the depth dimension of the supervisory and control console used in the Korea nuclear power plant was determined following the procedure and compared with the console design guideline recommendation. Conclusion: The supplementary anthropometry table should be added on the web service of KHS for users to read a meaningful data for design. Application: If properly used, the KHS has a lot more potential application area than users can expect such as in control center design area.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1997년도 하계학술대회 논문집 D
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• pp.969-971
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• 1997

This paper proposes the OOP design for development of the service restoration system in DAS. It utilizes the Booch Method and has features of high reusability expansion and manatenance capability.

• 디지털융복합연구
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• 제16권9호
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• pp.359-364
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• 2018

본 연구는 국내외 활발히 이용되고 있는 O2O 운송서비스, 그중 카카오택시를 중심으로 사용자의 서비스 이용 현상에 관해 연구하고, 더 나은 사용 경험을 위한 개선 방안을 제안하는 데 그 목적이 있다. 연구 방법으로 1차 사례 연구를 통해 국내의 택시 앱 서비스와 국외의 O2O 운송서비스의 특징을 조사하였다. 그리고 2차로 카카오택시 이용자 8명을 대상으로 한 심층 인터뷰를 통해 카카오택시 사용 경험을 파악하였다. 그 결과, 개선이 필요한 두 가지 포인트를 도출해낼 수 있었다. 첫째로 공급과 수요의 불균형에 대한 개선, 둘째로 목적지 위치 공개에 따른 이용자가 불이익을 받지 않도록 해야 한다는 것이다. 이 연구는 카카오택시를 통해 국내 O2O 운송서비스의 개선 방안을 제시했다는 점에 의의가 있다. 후속 연구를 통해 국내 O2O 운송서비스의 개선 방안을 보완하고, 경험 개선에 도움이 되기를 기대한다.

• 한국건설순환자원학회논문집
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• 제4권3호
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• pp.259-268
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• 2016

염해에 노출된 콘크리트 구조물의 내구수명 평가는 크게 결정론적 방법과 확률론적 방법으로 분류할 수 있으며, 다양한 설계인자에 따라 내구수명은 크게 변화한다. 본 연구에서는 시간의존성 확산계수 및 내부영향인자(기본확산계수, 임계염화물량, 시간지수)를 고려하여 변화하는 내구적 파괴확률과 이에 따른 내구수명을 도출하였다. 임계 염화물량이 133.3% 증가할 때, 내구수명은 결정론적 방법에서 134.0~145.4%의 증가비를 나타내었으며, 확률론적 방법에서는 149.2%~152.5% 증가비를 나타내었다. 시간지수가 200% 증가할 경우, 내구수명의 증가비율은 결정론적 방법에서 323.8%, 확률론적 방법에서 346.0%로 증가하였다. 시간의존성 확산계수를 사용하여 과다설계를 방지할 수 있는 합리적인 확률론적 내구설계를 수행할 수 있었으며, 혼화재료를 사용하여 시간지수를 증가시키는 것이 매우 효과적인 내구수명 연장방안임을 알 수 있었다.

• 한국기록관리학회지
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• 제12권1호
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• pp.33-58
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• 2012

웹과 모바일 환경의 변화와 함께, SNS는 정보유통에 있어서 중요한 도구로서 대두되고 있다. 그리고 페이스북, 트위터 등으로 대표되는 SNS는 소통의 새로운 패러다임으로 자리잡아가고 있다. 따라서 본 연구에서는 모바일 SNS를 통하여 기록정보서비스의 이용과 접근성을 확대시키고 기록 이용자의 참여와 협력을 도모할 수 있는 서비스를 제공하기 위한 방안을 모색하고자 하였다. 이를 위해 기존의 SNS에 대한 문헌조사를 통하여 모바일 SNS를 기반으로 효과적인 기록정보서비스의 제공방안을 제안하였다. 또한 제안방안의 실질적인 서비스 구현을 위하여 서비스 시스템 요소와 설계를 수행하였다.

• 한국컴퓨터정보학회논문지
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• 제24권2호
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• pp.149-155
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• 2019

The purpose of this paper is to design a survey of passenger satisfaction by using the Likert five-scale for the passengers of Incheon International Airport and Beijing Capital International Airport in China, and to combine the actual service situation of the airports in the two countries, using SPSS statistical software. Analyze and process statistics. Using the questionnaire survey method and exploratory factor analysis method, the airport service quality is analyzed to analyze the impact model of customer satisfaction. We will sort out the customer satisfaction with the two airports, compare and analyze the gaps in airport services between the two countries, and identify problems to formulate optimization and improvement plans.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2008년도 춘계학술대회 논문집
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• pp.173-180
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• 2008

The major objective of this study is to proposal of measuring method and design for the testing curved railway in which the tilting train runs. In order to the speed-up of conventional lines that have many curve lines, there needs a improvement construction of substructure such as the straight or double track work and so on. But in this case, it needs to have a plenty of the cost and the period. Therefore, the tilting train which provides the high-speed service effectively in curve tracks was developed. Besides, the efficiency prediction and the linear synthesis of the existing conventional line for a tiling train service were examined on the preceding studies. So, in this paper we propose the measuring plan and the design of the improvement sections in the testing curved track which was decided as a results of material analysis and field research concerning the extension possibility of transition curves and the bearing of track due to the new developed train traveling. And we look forward to playing a decisive role as reference data on the improvement construction project for the commercial service of the tilting train.

• 산업경영시스템학회지
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• 제41권4호
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• pp.131-137
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• 2018

People write reviews of numerous products or services on the Internet, in their blogs or community bulletin boards. These unstructured data contain important emotions and opinions about the author's product or service, which can provide important information for future product design or marketing. However, this text-based information cannot be evaluated quantitatively, and thus they are difficult to apply to mathematical models or optimization problems for product design and improvement. Therefore, this study proposes a method to quantitatively extract user's opinion or preference about a specific product or service by utilizing a lot of text-based information existing on the Internet or online. The extracted unstructured text information is decomposed into basic unit words, and positive rate is evaluated by using existing emotional dictionaries and additional lists proposed in this study. This can be a way to effectively utilize unstructured text data, which is being generated and stored in vast quantities, in product or service design. Finally, to verify the effectiveness of the proposed method, a case study was conducted using movie review data retrieved from a portal website. By comparing the positive rates calculated by the proposed framework with user ratings for movies, a guideline on text mining based evaluation of unstructured data is provided.