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Linux HA 클러스터링을 이용한 모바일 탄소 모니터링 시스템 구현
이재광,김영혁,이재광 한국정보기술학회 2014 한국정보기술학회논문지 Vol. No.
탄소미터링 통합관제 시스템(Carbon-Integration Control System, CICS) 이란 IT 시설물의 에너지 사용현황을 실시간으로 확인하고 제어하는 기능을 가지고 있다. 기존의 CICS는 관제 모듈이 분산, 독립 운영되었으나 SmartRack 기반의 CICS는 항온·항습 센서, 공조기, PDU 등의 장치가 통합되어 전력사용량, 탄소배출량 등의 정보를 수집하고 수집된 정보를 이용해 CICS를 구성할 수 있다. 기존 탄소미터링 시스템은 모바일이 아닌 PC 환경에서 관제 시스템을 제공하지만 본 연구에서는 웹 서버를 추가하여 PC환경에서 통합관제시스템을 제공하는 것뿐만 아니라 모바일에서도 통합관제 할 수 있는 시스템을 제공하도록 구현한다. 그리하여 Linux HA를 적용한 웹 서버를 이용하고 다양한 모바일 기기를 통하여 탄소 관제가 가능한 시스템을 구현한다. Carbon metering integrated control system (Carbon-Integration Metering System, CICS) What is the status of the energy use of IT facilities in real-time has the ability to see and control. CICS based of SmartRack is a constant temperature, humidity sensor based, air conditioners, PDU and other devices are integrated. It is Providing information of Power consumption, carbon emissions, such as. It use configured the CICS. And using the information provided can be constructed of integrated control system. Also, Existing carbon metering system is a Mobile control system, not the PC environment provided. However, in this study, to mobile can be implemented that to provide in the integrated control system by adding Web servers. To safety of web server is applied Linux HA. To deal intelligently in case of emergency. In this paper, Mobile carbon monitoring system implementation using Linux HA clustering on CentOS 5.5 environment.
벤쳐 투자를 위한 의사결정 클래스 분석 : 사례기반추론 접근방법
이재광,김재경 한국지능정보시스템학회 1999 한국지능정보시스템학회 학술대회논문집 Vol.2 No.1
An application of case-based reasoning is proposed to build an influence diagram for identifying successful new ventures. The decision to invest in new ventures is characterized by incomplete information and uncertainty, where some measures of firm performance are quantitative, while some others are substituted by qualitative indicators. Influence diagrams are used as a model for representing investment decision problems based on incomplete and uncertain information from a variety of sources. The building of influence diagrams needs much time and efforts and the resulting model such as a decision model is applicable to only one specific problem. However, some prior knowledge from the experience to build decision model can be utilized to resolve other similar decision problems. The basic idea of case-based reasoning is that humans reuse the problem solving experience to solve a new decision. In this paper, we suggest a case-based reasoning approach to build an influence diagram for the class of investment decision problems. This is composed of a retrieval procedure and an adaptation procedure. The retrieval procedure use two suggested measures, the fitting ratio and the garbage ratio. An adaptation procedure is based on a decision-analytic knowledge and decision participants' knowledge. Each step of procedure is explained step by step, and it is applied to the investment decision problem in new ventures.
오심과 구토를 호소하는 한 여자환자에 대한 단기정신치료 증례보고
이재광,Lee, Jae-Kwang 한국정신신체의학회 1995 정신신체의학 Vol.3 No.2
The author reported a case of short-term dynamic psychotherapy in which relatively good therapeutic results were obtained. And I reviewed several therapeutic factors thought to be important in shot-term dynamic psychotherapy from various literatures. In this case, the frequency of session was limited due to her current reality situations. She had suffered from some adjustmental problems and marital conflict before the onset of the illness. The author could grasp the cental theme of her problems early in treatment period and discussed over it including it's influence on current situation and early childhood with th patient. We also discussed about the relationship between the past and current reality so that she could realize her real problem. At the same time, therapeutic effect was enhanced by family therapy and temporary use of medication.