• Journal of Positioning, Navigation, and Timing
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• 제9권4호
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• pp.387-395
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• 2020

Accuracy of an integrated Global Positioning System (GPS) / Inertial Navigation System (INS) relies heavily on the visibility of GPS satellites. Especially, its accuracy is dramatically degraded in urban canyon due to signal obstructions due to large structures. In this paper, we propose a new integrated positioning system that effectively combines INS, GPS, ultrasonic sensor, and barometer in GPS-denied environments. In the proposed system, the ultrasonic sensor provides velocity information along the forward direction of moving vehicle. The barometer output provides height information compensated for the pressure variation due to fast vehicle movements. To evaluate the performance of the proposed system, an experiment was carried out by mounting the proposed system on a test car. By the experiment result, it was confirmed that the proposed system bears good potential to maintain positioning accuracy in harsh urban environments.

• 한국물환경학회지
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• 제23권5호
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• pp.697-704
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• 2007

This study proposes an integrated technique of Genetic Algorishim (GA) and Geographic Information System (GIS) for designing the water quality monitoring networks. To develop solution scheme of the integrated system, fitness functions are defined by the linear combination of five criteria which stand for the operation objectives of water quality monitoring stations. The criteria include representativeness of a river system, compliance with water quality standards, supervision of water use, surveillance of pollution sources and examination of water quality changes. The fitness level is obtained through calculations of the fitness functions and input data from GIS. To find the most appropriate parameters for the problems, the sensitivity analysis is performed for four parameters such as number of generations, population sizes, probability of crossover, and probability of mutation. Using the parameters resulted from the sensitivity analysis, the developed system proposed 110 water quality monitoring stations in the Nakdong River. This study demonstrates that the integrated technique of GA and GIS can be utilized as a decision supporting tool in optimized design for a water quality monitoring network.

• 한국정보처리학회논문지
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• 제6권11S호
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• pp.3243-3250
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• 1999

There are many problems to be satisfied the various commercial demand in the present VRML node, and the VRML-based system by the contact with other technology is burdened with the direct participation of developer related with it. In this study, remote control and monitoring system using EAI(External Authoring Interface) is reposed to overcome the limit of VRML. In other words, This study is about mechanism of interaction between control and monitoring subject in real world and object in virtual world mapped with it. Object oriented method by one to one mapping of the Java class which have VRML virtual world and the object control is proposed. Introduction method of video monitoring through method of image synthesis and the integrated development environment is described. Finally automobile-gate control system based on the development method of Internet virtual reality-based system which is proposed in this study is described.

• 한국위성정보통신학회논문지
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• 제9권4호
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• pp.87-90
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• 2014

환경시설물의 광대역 통합모뎀 근거리 통신망 스위칭 기술을 통하여 상시 실시간 자료 수집 및 이력관리가 가능함에 따라 안정적이고 효율적인 시설물 관리 및 광대역 통합모뎀을 기반으로 적용 가능한 신기술 융합의 환경 시설물의 실용화가 필요한 상황이다. 따라서 본 논문에서는 환경시설물에 적용 가능한 광대역 통합모뎀 근거리 통신망 스위칭 기술을 제시하였다. 광대역 통합모뎀의 구축방안 및 통신방식을 제시하여 광대역 통합망 유비쿼터스 기반의 환경시설물 관리용 신기술 동향 및 기술을 분석하고, IEEE802.11x와 IEEE802.15.4x 두 가지 통신방식의 연동을 통하여 환경시설물 내 시설물로부터 수신되어지는 데이터의 수집, 해석 및 처리를 통해 이상현상 발생 시 우선순위 부여 등의 워크플로우 기능과 다수의 측정 데이터를 사용자 정의 로직에 따라 서버로 전송하는 기능을 모의실험하고 분석하여 그 유용성을 입증하였다.

• 한국환경과학회지
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• 제33권6호
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• pp.403-415
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• 2024

Since the great acceleration, the emergence of the sustainable development concept amid the conflict between economic growth and the preservation of the natural environment is at a time when an efficient land-environmental plan integration system is needed to achieve a smart balance between development and conservation. Although preceding studies have been conducted domestically and internationally on various aspects, the operating system has not been implemented effectively. In this study, the policy concept of environmental policy integration, the current status of integrated management of land-environmental plans in South Korea, and related literature studies were reviewed to derive overall complementary points. In addition, the review was carried out by reorganizing the domestic urban planning legal-based system and the environmental legal-based system according to the same hierarchy to promote an effective integration system, and in foreign cases, the establishment of spatial and environmental plans in Germany and Japan was typically considered to derive implications for the establishment of an efficient interconnection system for the integrated management of domestic land-environmental plans in the future.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2008년도 정기학술발표대회 논문집
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• pp.819-823
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• 2008

현재 국내의 건설공사 품질관리, 안전관리, 환경관리는 각각의 법령을 기반으로 고유특성에 맞게 발전되어와 통합을 위한 기반이 형성되어 있지 못하다. 즉, 인력에서는 품질관리자와 안전관리자를 법적 배치인력으로 정하고 있으나, 환경관리자는 법적 배치인력이 아니다. 또한 품질관리계획은 KS A ISO 9001 규격의 모든 요구사항이 반영되어 PDCA(계획-실행-체크-조치) 시스템으로 업무를 수행하도록 되어 있으나, 안전관리계획 및 유해 위험방지계획은 KOSHA 18001 규격 요구사항 중 4항 실행(D) 및 운영에만 치중되어 P(계획), C(체크) 및 A(조치) 시스템이 제대로 반영되어 있지 못하다. 더욱이 환경관리계획은 수립기준조차 마련되어 있지 못한 실정이다. 이에 건설공사 품질 안전 환경 통합관리 기준을 마련함에 앞서 해외의 건설공사 운영사례를 조사하여 국내 적용가능성을 검토하고자 하며 본고에서는 싱가폴의 건설공사 운영사례를 살펴보기로 한다.

• 한국전자거래학회지
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• 제1권1호
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• pp.69-92
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• 1996

An Integrated Data Environment (IDE) is the end state of the CALS vision. It refers to an environment where all the data generated from the entire lifecycle activities of a product can be shared by anyone that participates in the management. engineering, manufacturing, or support of the product, although the data are geographically distributed and are maintained in heterogeneous platforms. The primary purpose of this paper is to introduce the fundamental concept, architecture, and core implementation technology of an IDE. The secondary purpose is to suggest some strategic directions to the planning staffs in both government and industry. and to suggest some research issues to the researchers in academia. The reference architecture of an IDE being developed by the US DoD and that of NIIIP (National Industrial Information Infrastructure Protocol) being developed by a consortium are discussed. Two principal issues of implementing an integrated database, i.e., distributed object computing including CORBA and multi-database system (MDBS) are reviewed. As a conclusion. the author suggests that daring investment in prototyping an IDE by a nationwide consortium is essential to keep up with the advanced countries in CALS implementation.

• 한국생물환경조절학회:학술대회논문집
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• 한국생물환경조절학회 1996년도 국제심포지움 21세기 첨단식물생산시스템의 실용화
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• pp.41-62
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• 1996

Since 1966 tissue culture has been used as a tool for the production of disease indexed stocks from selected plants and their rapid (clonal) mass propagation through the procedure now referred to as micropropagation. The major advantages have been the rapid introduction of new plant cultivars, created within conventional and mutation breeding programmes, as healthy stock for beneficial distribution and the expansion of the world wide horticultural industry. (omitted)

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1993년도 한국자동제어학술회의논문집(국내학술편); Seoul National University, Seoul; 20-22 Oct. 1993
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• pp.264-269
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• 1993

In this paper, we develop the basic robot commands on the level of VAL robot language and the integrated environment software of the robot management system to give users an easy way of programming and running the robot. The developed software is designed to support Korean language and to be run by the pop-up menus for programming commands and inputs. Geometrical and dynamical features can be viewed on a computer monitor by graphics and the taught works can be interfaced with a computer and controllers.

• 한국산학기술학회:학술대회논문집
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• 한국산학기술학회 2010년도 추계학술발표논문집 2부
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• pp.859-861
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• 2010

The construction companies are facing potential EHS(Environment, Health & Safety) of major accidents to cause casualties or a financial loss and increasing social responsibility. So, they have to voluntarily accomplish the EHS management system rather than passively with regard to EHS regulation. In this study, the integrated EHS management system is developed based on cloud computing, and construction companies are to materialize self-regulation EHS process of construction workplace and to standardize the total EHS business process using the developed system. The proposed system also provides risk analysis, education/control and continuous improvement for EHS tasks and users can easily access the system on the web at a low price through cloud computing service. Eventually, the integrated system contributes to the managerial improvement by minimizing economic and physical loss caused by construction accidents.