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차량 인포테인먼트 소프트웨어의 프로세스간 통신 테스트 자동화 방안에 관한 연구
오정석(JungSuk Oh),김영수(YoungSoo Kim),배현철(HyunCheol Bae),양승완(SeungWan Yang) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
The exchange of messages, shared memory, and a pipe for efficient Inter-Process Communication between various software components are used. We have researched the test automation method that find IPC defects and discover faults location automatically. The test automation method called AMOS v3.0-IPC that is used for evaluation of CAR-Infotainment software.
A Conceptual Framework of IoT Case Study
전가영,이장혁,오정석,Jeon, Ka Young,Lee, Jang Hyuk,Oh, Jungsuk The Korean Society of Business Venturing 2015 벤처창업연구 Vol.10 No.3
빠르게 발전하는 IoT 시대에 발맞추어, IoT 적용과 관련하여 다양한 시나리오에 이용할 수 있는 경영 전략을 이끌어내기 위한 체계적인 접근이 요구된다. 본 논문에서는, IOT를 적용할 때 시장 잠재력을 평가하고 초기 경영 전략을 세울 때 사용할 수 있는 개념적 틀을 제시한다. 개념적 틀은 널리 알려진 가치곡선분석, 생태계 분석 그리고 품질의 집을 이용하여 구성하였다. 가치곡선 분석은 소비자에게 가치를 주는 항목을 파악하는 부분과 이와 관계된 공급자의 강점을 분석하는데 이용된다. 생태계 분석은 공급사슬 상의 참가자들과 그들의 관계를 파악하는데 이용된다. 품질의 집은 공급자에게 소비자의 요구사항을 파악하고 그것을 공급자의 기술적인 요구 조건과 비교하여 초기 사업 전략을 구축하는데 적합한 분석도구이다. 본 논문에서는 우리가 제시한 개념적 틀을 IoT를 적용하였을 때 큰 발전 가능성이 있는 Car-sharing 서비스와 telehealth 서비스 이렇게 두 가지 서비스에 적용하여 분석하였다. With a prospective of rapid deployment of IOT, a systematic approach to derive a business strategy for various possible scenarios of IOT applications is in great demand. In this paper, a conceptual framework that can be utilized for the purpose of assessing the market potential and of setting up an initial business strategy for IOT deployment is suggested. The framework consists of utilization of well-known value curve analysis, ecosystem analysis and house of quality tools. The value curve analysis is utilized to identify value-enhancing components of consumers as well as relative strengths of suppliers. The ecosystem analysis is used to identify relevant players of the supply chain and their mutual relationships. The house of quality is suitable for developing the initial business strategy of the supplier by converting consumer requirements identified by value curve analysis into technical requirements for the supplier. In this paper, we applied our proposed framework to two services that have high potentiality of being benefited by IOT: car-sharing service and telehealth service.
구매기업 프로세스에의 공급기업의 적극적 참여가 기업 운영성과에 미치는 효과에 대한 연구
정성욱(Sungwook Jung),오정석(Jungsuk Oh) 한국SCM학회 2018 한국SCM학회지 Vol.18 No.2
Recently in Korea, ‘win-win management(Sangsaeng management)’ is receiving much attention. In many cases, small and mid-sized suppliers get one directional help from buyers who are usually larger companies. Buyers who have advanced technology and better financial position provide funding at a lower cost and opportunities for better skills. This may not correspond to the true meaning of ‘Sangsaeng management’ because it is just one-way cooperation. This paper focuses on active, bi-directional cooperation by examining the effect of supplier’s active involvement in buyer’s product design and production process. Especially, research was performed for small and mid-sized Korean companies. The results indicate that supplier’s active involvement in buyer’s production process would improve operational performance of suppliers. The results also indicate that the effect of active cooperation would increase as relationship between suppliers and buyers becomes more strategic and active. This paper not only validates the effect of active cooperation among Korean companies, but also provides the future opportunities to extend the research framework of ‘Sangsaeng management’.
차량 인포테인먼트 임베디드 소프트웨어를 위한 예외처리 테스트 자동화 방안
이시현(Sihyun Lee),오정석(Jungsuk Oh),배현철(Hyuncheol Bae),양승완(Seungwan Yang) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
An embedded system requires test process for reality of the system. For this, it is important to test exception handling which programmer developed. Especially, embedded system is required to test input from hardware device and external signal. But, manual test is required much time and low reality. And it is hard to reproduce faulty situation for debugging. In this paper, we propose a new exception handling test criteria for an embedded system. For this criteria, we define exception type and test exception handling using fault injection technique. And we propose generation of test data for occurring exception situation.
김동희(Donghee Kim),차정현(Jeonghyun Cha),오정석(Jungsuk Oh),김수욱(Soowook Kim) 한국경영과학회 2010 韓國經營科學會誌 Vol.35 No.3
Due to rapid developments of IT technologies, convergence services like IPTV (Internet protocol television) are shown up. Even though expert and customer had great expectations for this innovative service, commercialization was delayed for years by the legal dispute between industry players. One of the biggest problems was that whether internet backbone providers have to share their internet network backbone with IPTV service providers (which don’t have network backbone) or not. As other countries, Korean government set the rules that ISP have to offer indiscriminate access to other IPTV service provider. At the same time, internet backbone providers can charge access charge based on cost by way of compensation. Thus access charge is very critical to the IPTV industry players. The objective of this paper is to provide model that can calculate the reasonable access charge by system dynamics, based upon real data in Korean telecommunication industry.
김동희(Donghee Kim),김다영(Dayoung Kim),오정석(Jungsuk Oh) 한국전자거래학회 2013 한국전자거래학회지 Vol.18 No.4
다양한 서비스들의 조합인 컨버전스 서비스의 중요성이 날로 커지고 있다. 본 연구는 컨버전스 서비스 사례 중 하나인 텔레매틱스 서비스를 정보서비스, 엔터테인먼트 서비스로 분류하고 이들의 만족도와 디자인, 가격 요인이 기술수용 모형의 요인인 인지된 용이성, 인지된 유용성 및 구매의도와 어떤 관계를 이루는지를 실증하였다. 구조방정식을 통해 요인들간의 경로를 분석한 결과 서비스의 만족, 디자인 요소가 인지된 유용성에는 유의한 영향을 미치지 못하고, 인지된 용이성에만 영향을 미치는 것으로 나타났다. 이는 운전 중에 사용하는 텔레매틱스 서비스 특징상 고객들이 이용하기에 쉬운 것이 강조되어야 함을 의미한다. Convergence service, which is a combination of various services, is becoming more important. Among the many examples of convergence service, this study aims to analyze telematics service. By dividing Telematics service into information services and entertainment services, it was empirically proved that the relationship between each dimensions of TAM (perceived ease of use, perceived usefulness, purchase intention) and each service satisfaction, price, design factor. According to the result of structure equation model, service satisfaction and design factor have a significant effect on perceived ease of use, but not on perceived usefulness. It means that the perceived ease of use factor should be emphasized, because of service characteristics that are used during driving.