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MIS 환경하의 취약점 보완 및 해킹방지 시스템 설계 방안 연구
조만영 ( Man-young Cho ) 한국정보처리학회 2006 한국정보처리학회 학술대회논문집 Vol.13 No.1
인터넷의 급속한 확산으로 인해 인터넷을 통한 정보교환은 일상생활에서부터 군사 영역에 이르는 특수분야까지 광범위하게 사용되고 있다. 인터넷과 네트워크를 통한 정보의 교환이 일반화 됨과 동시에 정보보호와 정보보안이 큰 사회적 이슈로 대두되고 있다. 본 논문은 기업의 정보소통의 근간인 경영정보시스템(MIS)의 관점에서 정보보안을 바라본다. 인간과 기계를 통틀어 경영정보 시스템의 일부로 생각하며 정보유출의 관점뿐만 아니라 외부 공격으로 인해 전산자원이 낭비되거나 비정상적으로 작동되고 있는지를 파악하기 위한 시스템을 구축하는 방법에 대해 연구하고자 한다. 이에 패킷 스캐닝 방식의 방화벽과 어플리케이션 스캐닝 방식의 방화벽을 상호 비교하여 각각의 작동원리와 장단점을 파악하여 각 기업 고유의 환경에 적용하기 위해 어떤점들을 취사 선택할 것인지 연구한다.
조만영(Man-Young Cho),신호전(Ho-Jeon Shin),허재선(Jae-Sun Huh),김재철(Jae-Chul Kim) 한국조명·전기설비학회 2012 조명·전기설비학회논문지 Vol.26 No.10
Typically, large scale power generation facilities are linked to 345kV transmission line through a step-up transformer. If the value of transient voltage by generating lightning stroke is large more than electric equipment’s BIL, devices insulation is destroyed. LA(Lighting Arrester) is used as a main means of prevention. However, the installation of LA takes the constraints of installation place and expensive installation costs. Therefore, we need to carefully study whether installation of installation can be omitted and the most efficient place of installation. In this paper, we simulated the transient voltage detected by lightning stroke at each equipments in the 345kV transmission power grid by using EMTP-RV program.
海運企業의 그린마케팅 戰略에 관한 硏究 - 環境 및 安全ㆍ品質管理를 중심으로 -
조만영(Man-Young Cho),신한원(Han-Won Shin) 한국해양대학교 해사산업연구소 1998 海事産業硏究所論文集 Vol.7 No.-
Shipping firms are needed to build up the Environment & Safety - Quality Management System to meet a nation - wide and certification requirements and to improve the quality of shipping business in excessive international competition. Furthermore the marine environments are changed. The increase of excessive tonnage, the weakening of liner conference, the protectionalism in international trade, the increase of Green concept, are the main factors of the change of marine environment. This study performed Green Marketing Strategy for shipping company. Nowadays shipping company is under the WTO system in which Green marketing concept is strongly recommended, thus, Green management and marketing strategy on the basis of characteristics of shipping business were sought. This thesis carried out a comprehensive research and futhermore, established the Green Marketing Strategy in shipping market based on the Environment & Safety - Quality Management System such as ISO 14000, ISO 9002 and ISM Code which are typical standards. This study suggests environment, safety and management assurance system for shipping company. Thus, marketing strategy based on ecological management should be formulated. In conclusion, the establishment of Green marketing strategy is a good marketing strategy which firms can use to manage and optimize the Environment, Safety and Quality of the Shipping Service connected with realizing marine protection, pollution prevention, safety and benefits for shippers and customers.
김성국,조만영 한국항해항만학회 2000 한국항해학회지 Vol.24 No.4
Service is the source of firm's competitive advantage in recent years. The importance of service quality in any service industry doesn't need to be disputed. Customers have expected the improvement of the quality of service they receive ,so providers are struggling to meet these expectations. This study aims at finding factors of service quality in passenger transportation. An empirical investigation and the measurement on the perceived Service Quality by customers in the passenger transportation system was carried out. The purpose of this study is to clarify the factors of service quality on the basis of service marketing concept. In order to fulfill the objectives, this paper combines research tools that include both empirical study and documentary research. Data was gathered from 239 passengers by the use of questionnaire. In this study, the established hypotheses were generated on the basis of the service quality evaluation (SERVQUAL) model. Research findings through empirical test are as follows. First, five service quality dimensions in passenger transportation are identical to SERVQUAL dimensions defined by Parasuraman, Zeithaml, and Berry in 1988. Second, demographic segments such as gender and age don't have significant different dimension of service quality. Third, there is no significant difference between groups by experiences such as price level, abroad tour and vehicle type in determinants of transportation service quality.
신호전,조만영,천홍일,김진석 대한전기학회 2017 Journal of Electrical Engineering & Technology Vol.12 No.1
With the current global need for eco-friendly energies, the large scale use of Electric Vehicles (EVs) is predicted. However, the need to frequently charge EVs to an electrical power system involves risks such as rapid increase of demand power. Therefore, in this paper, we propose a practical smart EV charging scheme considering a Time-of-Use (ToU) price to prevent the rapid increase of demand power and provide load leveling function. For a more practical analysis, we conduct simulations based on the actual distribution system and driving patterns in the Republic of Korea. Results show that the proposed method provides a proper load leveling function while preventing a rapid increase of demand power of the system.