• Proceedings of the Korea Information Processing Society Conference
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• 2023.05a
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• pp.650-651
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• 2023

반려동물의 건강 상태를 파악하기 위해서 수면 패턴을 모니터링하는 것은 중요하다. 본 논문에서는 6축 센서 데이터를 활용하여 수면 패턴을 모니터링하고, 이를 바탕으로 설계된 헬스케어 시스템을 제안한다. 이 시스템은 크게 데이터 수집, 행동 분류, 수면 패턴 모니터링으로 구성된다. 6축 센서 데이터와 ResNet-LSTM을 통해 반려동물의 행동(두 발로 서다, 네 발로 서다, 걷다, 킁킁대다, 뒷다리만 앉다, 엎드리다, 모든 발이 앉다, 놀다, 빠르게 걷다)을 분류하고, 분류된 행동을 활용하여 수면패턴을 분석한다. 이를 통해 수면 이상을 확인하고 반려동물의 건강 상태를 간접적으로 평가하여 적절한 처치 및 관리하고자 한다.

• Journal of Korean Society of Transportation
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• v.35 no.5
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• pp.375-384
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• 2017

The aim of this study is to develop evaluation indicators for parking environment in residential areas. Recently, lots of local governments in korea are implementing projects for parking environment improvement. However, there are no indicators for parking environment evaluation except for the rate of parking supply by registered cars. So, it is really difficult to prioritize projects and monitor the result of projects. Therefore, this study presents six indicators for parking environment evaluation and its weights using AHP through the survey. The result of this study proposed the assessment model for parking environment based on indicators and it was found that actual data in Incheon can be simulated in reality. And this result also is expected to help monitoring and selecting projects.

• Journal of Environmental Impact Assessment
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• v.28 no.3
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• pp.263-274
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• 2019

The purpose of this study is to examine a monitoring method, management zones, and maintenance strategies for water friendly facilities in urban streams after the completion of ecological restoration projects. Maintenance monitoring items are composed of 'use space& facilities', 'trails& bike roads', 'access', and 'boards'. The evaluation standards of water friendly facilities are 'maintenance conditions', 'safety', and 'usage level' which are rated as 'good', 'moderate', and 'poor'. Through a field survey and evaluation of 15 stream sections in Jeonjucheon,the management levels of each water friendly facility are determined as 'priority maintenance', 'general maintenance', 'maintain/remove', and 'remove'. Based on the evaluation results, management zones and maintenance strategies are proposed for each stream section. As a results, the stream sections of J2, J3, J4, and J9 which have 5 to 9 facilities with 'priority maintenance' are determined as 'intensive management zone'. The stream sections of J5, J6, J7, J8, J11, and J14 which have 1 to 3 facilities with 'priority maintenance' are determined as 'regular management zone'. The stream sections of J1, J10, J12, J13, and J15 which have no facilities with 'priority maintenance' are determined as 'minimum management zone'. The process of monitoring & evaluation system and determining management zones can be applied to establish a systematic maintenance plan for water friendly facilities by participation of governance in the future.

• 한국방재학회:학술대회논문집
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• 2010.02a
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• pp.104-104
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• 2010

지난 2008년 가을부터 시작되어 2009년 봄까지 발생했던 전국적인 극한 가뭄을 계기로 가뭄모니터링의 필요성은 증대되었다. 본 연구는 우리나라에서 가뭄 모니터링을 위한 MODIS 위성영상 자료의 활용을 제안하였다. MODIS 영상은 임의의 지역의 시 공간적 특성을 관찰할 수 있는 해상도를 보유하고 있으며, MODIS에서 제공하는 MOD11(LST: Land Surface Temperature)은 가뭄 발생의 판별에는 유효하나 가뭄 심도와 지속기간을 판단하기 위해서는 기준이 되는 강우량 및 가뭄지수와의 비교가 필요하다고 알려져 있다. 본 연구에서는 MOD11(LST) 위성자료와 EDI(Effective Drought Index) 가뭄지수의 상관성을 고려하여 한반도 가뭄모니터링을 위한 MODIS 위성영상의 활용성을 평가하였다.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2021.11a
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• pp.193-194
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• 2021

실습선 한나라호는 4차 산업혁명에 부응하는 첨단장비와 안전한 시설을 갖추고 있으며, 자동위치제어시스템(DPS)를 적용하여 해양플랜트 교육이 가능한 9,196톤으로 아시아 최대 실습선이다. 또한, 특수목적선 코드를 적용해 감항성능 및 안전성이 매우 우수하다. 본 연구에서는 실습선의 안전한 접이안과 항내조선을 위해 VDR과 CCT 자료를 이용한 모니터링을 통해 매우 협소한 영역내에서 전개되는 동적 거동정보의 정량적 수집, 평가, 분석을 통해 안전통항의 저해요인을 식별하고 이를 제거 및 방지하기 위한 방법에 대해 제안하고자 한다.

• International Area Studies Review
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• v.21 no.1
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• pp.303-324
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• 2017

Current methods to evaluate the performance of ROK military contingents to UN missions unnecessarily raises the issues of relevance, validity and reliability. Thus, this article aims to suggest how the result based evaluation (RBE) model which is widely adopted in the UN field missions as well as the international development community would be modified and applied to peace operation of the ROK contingent. As a result of the study, the model presents a framework that integrates the planning process and monitoring and evaluation with a logical framework, which entails a cycle of assessment of pre-deployment planning, monitoring and phased evaluation, and post-deployment evaluation. Secondly, according to measurement of RBE benchmarks to the present ROK's monitoring and evaluation system, factors in an evaluation unit and a logical framework approach are unmet or partly met to the benchmarks. In addition, ex-post impact evaluation has been rarely performed. Finally, the policy recommendations for resolution of the aforementioned challenges as well as a joint evaluation unit, participated by experts in a civilian, public, and a military domain are proposed.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.45 no.8
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• pp.639-646
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• 2017

In this paper, a new load monitoring system for military aircraft is introduced. This system consists of sensors, an onboard device and an ground analysis equipment. The sensors and onboard device are mounted on the aircraft and the ground analysis equipment is operated on the ground. Through this system, structural static load can be estimated with flight parameters and structural responses can be measured by sensors due to static load, dynamic load and unexpected events. Especially, optical fiber sensors with mutiplexing capability are utilized. The onboard device was specially designed for complying the requirements of relevant military specifications and was verified through a series of the environment tests. This system was used and evaluated through ground structural tests before flight tests. In the near future, this system will be applied to military aircraft as a structural load monitoring system after flight test evaluation.

• Geophysics and Geophysical Exploration
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• v.14 no.3
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• pp.203-213
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• 2011

Time-lapse seismic surveys make repeated seismic surveys at different stages of oil production of a hydrocarbon reservoir to monitor changes in reservoir like fluid saturation. Since the repeatable surface seismic measurements can identify fluid types and map fluid saturations, oil and gas companies can make much more informed decision during not only production but also drilling and development. If time-lapse seismic surveys compare 3D seismic surveys, the time-lapse surveys are widely called as 4D seismic. A meaningful time-lapse interpretation is based on the repeatability of seismic surveys, which mainly depends on improved positioning and reduced noise (if surveys were designed properly through a feasibility study). The time-lapse interpretation can help oil and gas companies to maximize oil and gas recovery. This paper discusses about time-lapse seismic surveys mainly focused on feasibility, repeatability, data processing and interpretation.

• Proceedings of the Korean Society of Computer Information Conference
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• 2015.07a
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• pp.103-106
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• 2015

본 논문에서는 비상전원 기능을 가지는 가정용 3kW 스마트그리드 홈 에너지 시스템을 관리하는 에너지 모니터링 시스템 설계 및 구현을 제안한다. 제안하는 시스템은 3kW 스마트그리드 홈 에너지 시스템으로 인터넷을 통해 전력 정보를 수집하고, 수집된 전력 정보를 효율적으로 사용하기 위해서 모니터링과 스케줄러를 통한 관리하는 방법에 대한 설계 및 구현하고, 시험 및 평가를 통해서 에너지 절감을 확인할 수 있었다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2016.10a
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• pp.830-832
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• 2016

본 연구에서는 일반 산업현장에서 동력원으로 가장 편리하게 사용하고 있는 장치인 모터의 결함을 사전에 모니터링하기위한 연구를 수행하였다. 기존의 EOCR(electronic over Current relays)을 통해 모터의 전기적 결함에 따른 모터보호 및 전기적 결함측정뿐만 아니라 모터의 절연저항, 구동시간, MC(magnet contactor) 접점횟수, 베어링온도측정, 모터회전수 측정 등 전기적 결함과 기계적 결함을 동시에 모니터링 할 수 있는 다기능 모터보호장치를 구현하고자 하였다. 이를 위하여 다기능 모터보호장치의 데이터입력 및 제어장치, 디스플레이 및 인터페이스 장치를 구현하였고, 실제 MCC시스템과의 연동을 통해 동작특성평가를 수행하였다. 인위적인 전기적 결함 및 기계적 결함을 유발시키고 이를 검출하는 모의실험을 수행한 결과 전기적 결함과 기계적 결함 각각에 대해 100% 검출 가능함을 확인하였다.