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논문 : 국립공원 탐방로 내 위험 급경사지 유지관리 방안 연구
김홍균 ( Hong Gyun Kim ),김태호 ( Tae Ho Kim ),김재학 ( Jae Hak Kim ),곽재환 ( Jae Hwan Kwak ),박성욱 ( Sung Wook Park ),최수원 ( Soo Won Choi ),송영갑 ( Young Karb Song ) 대한지질공학회 2016 지질공학 Vol.26 No.1
국립공원은 주로 산악 지형 내 조성되어 있으므로 산사태에 의한 피해 가능성을 항상 내포하고 있다. 본 연구는 산사태 연구의 일환으로 국립공원 탐방로 내 위험 급경사지를 체계적으로 유지관리하기 위한 방안을 마련하는데 목적이 있다. 국립공원에 특화된 자체 체크리스트를 제작하였으며, 전국 19개 국립공원 183개소 급경사지에 대한 실태조사가 이루어졌다. 실태조사의 최종 목적은 위험 급경사지에 대한 안정화 대책을 마련하는 것으로 현장조사와 안정해석의 과정을 거친다. 일부 급경사지에서는 위험성 판단을 위해 지상라이다 등 특수 장비를 이용한 조사를 시도하였다. 중장기 정비계획을 위한 투자우선순위 공식을 개발하였으며, 현장자료를 이용한 순위 및 위험등급을 산출하였다. 최종적으로 위험 급경사지의 향후 체계적인 관리를 위해 “국립공원 급경사지 유지관리시스템”을 개발하였으며, 모든 현장자료들은 시스템 내 DB화 되었다. National parks, which are located mainly in mountainous areas, are always at risk of damage by landslides. The goal of this study is to establish a method for systematically maintaining hazardous steep slopes along trails in national parks. We produced a checklist suitable for each of the 19 national parks nationwide and investigated 183 slopes. The aim of these investigations is to recommend appropriate slope-stability countermeasures, including field investigations and stability analysis. We made preliminary investigations at specific sites, evaluating the slope hazard using specialized equipment such as terrestrial LiDAR. An investment priority formula was developed, and ranking and hazardous grades were calculated as part of a long-term maintenance plan. Finally, to systematically manage dangerous slopes and to house all the field data within one system, we developed the “Slope Maintenance System in National Parks” based on web server that can show various information for slopes.
Toward a Policy for the Big Data-Based Social Problem-Solving Ecosystem: the Korean Context
박성욱,Moon-Soo Park 아시아기술혁신학회 2019 Asian Journal of Innovation and Policy Vol.8 No.1
The wave of the 4th Industrial Revolution was announced by Schwab Klaus at the 2016 World Economic Forum in Davos, and prospects and measures with the future society in mind have been put in place. With the launch of the Moon Jae-in administration in May 2017, Korea has shifted all of its interest to Big Data, which is one of the most important features of the 4th Industrial Revolution. In this regard, this study focuses on the role of the public sector, explores related issues, and identifies an agenda for determining the demand for ways to foster Big Data ecosystem, from an objective perspective. Furthermore, this study seeks to establish priorities for key Big Data issues from various areas based on importance and urgency using a Delphi analysis. It also specifies the agenda by which Korea should exert national and social efforts based on these priorities in order to demonstrate the role of the public sector in reinforcing the Big Data ecosystem.
박성욱,이인환,정우상,문상관,박정미,고창남,조기호,김영석,배형섭,Park, Seong-Uk,Lee, In-Whan,Jung, Woo-Sang,Moon, Sang-Kwan,Park, Jung-Mi,Ko, Chang-Nam,Cho, Ki-Ho,Kim, Young-Suk,Bae, Hyung-Sup 대한중풍순환신경학회 2008 대한중풍.순환신경학회지 Vol.9 No.1
Objectives : Metabolic syndrome (MetS) is associated with increasing risk of cardiovascular morbidity and mortality but the risk of stroke associated with the MetS is less well established. The objective of this study was to evaluate the prevalence of MetS in stroke patients. Methods : We analyzed the data of 806 patients with acute ischemic stroke from Hanbang Stroke Registry supported by the Ministry of Science and Technology of Korea. Subjects' enrollment was done in the oriental medical hospitals of 4 universities located in the metropolitan region from April 2007 to August 2008. We analyzed all registered data and evaluated the prevalence of MetS and specific components of MetS. Results : The prevalence of MetS in stroke patients according to American Heart Association/National Heart Lung and Blood Institute (AHA/NHLBI) criteria was 59.6%. The prevalence according to the International Diabetes Federation (IDF) criteria was 41.6%. The prevalence of female patients was higher than that of male patients (71.8% vs 51% by AHA/NHLBI criteria; 61.7% vs 27.7% by IDF criteria). The prevalence of central obesity, low HDL cholesterol and hypertension was higher in female patients. There was no significant relationship between MetS and stroke subtype. Conclusions : This work gives us the basic data on the association between MetS and risk of stroke. There should be the prospective cohort studies to evaluate MetS and the risk of stroke.
박성욱,한선화,Park, Sung-Uk,Hahn, Sun-Hwa 한국과학기술정보연구원 과학기술정보센터 2011 Journal of Information Science Theory and Practice Vol.42 No.3
현대 과학기술연구개발에서 데이터의 수집, 큐레이션, 분석, 시각화의 효율화는 과학기술발전의 중요한 요소이다. 데이터 집중연구에서 이러한 과학데이터의 가치는 절대적으로 필요하다고 할 수 있다. 과학데이터의 생산량은 기하급수적으로 증가했지만 데이터를 수집하고 배포할 수 있는 수단을 마련하는 측면에서 보면, 현재 분야별로 과학데이터의 개별적인 활용 체제만 운영되고 있어 걸음마 단계이다. 이에 본 논문에서는 국가차원의 국가 과학데이터센터 구축의 경제적 파급효과를 한국은행(2009)의 산업 연관분석을 이용하여 생산유발효과, 부가가치유발효과, 취업자유발효과 및 전 후방연쇄효과로 나누어 분석하여 국가 과학데이터센터 구축에 대한 경제적 타당성을 검증하고자 한다. In the modern scientific R&D, the efficient acquisition, curation, analysis and visualization are core elements of the science development. The value of scientific data is very important in data intensive research. An output of scientific data is drastically increasing. However we have only each individual system of scientific data in now. Therefore We feel a lack of efficiency of scientific data. In this paper, We analyze an economic ripple effects in terms of production inducement effect, added value inducement effect, labor inducement effect and forward backward linkage effect of national scientific data center construction using an input-out analysis of the bank of Korea(2009). We also examine an economic propriety of national scientific data center construction.
출력신호 궤환을 통한 진동자이로의 선형성 향상에 관한 연구
박성욱,오준호,Park, Sung-Wook,Oh, Jun-Ho 대한기계학회 1997 大韓機械學會論文集A Vol.21 No.7
Among various gyroscopes, the vibrating gyroscope has advantages such as compact size, mass-productivity and low cost. However this kind of gyroscope usually suffer from low linearity and low signal to noise ratio. Therefore, it is necessary to study on vibrating gyroscope to improve performance. In this paper, triangular cross section si selected in consideration for several points. The existing designs of exciting and sensing have some problems such that small signal size and low linearity. This paper proposes new design of exciting and sensing which is named one period exciting and the other period sensing. This design improves signal size, but it cannot improve linearity. This is because above two designs are the same open-loop type. So, another new design is proposed, which is named rebalancing, is applied to one period exciting and the other period sensing. This design are closed-loop type. It feedbacks the output signal. According to control theory, it can improve linearity. The circuits of each design are realized and used to calibration test. Calibration results show that new design of rebalancing improves linearity and signal size.
박성욱,박문수,Soo-Hyun Park,Young-Mi Yun 아시아기술혁신학회 2020 Asian Journal of Innovation and Policy Vol.9 No.3
The policy change in the Data 3 Act is one of the issues that should be noted at a time when non-face-to-face business strategies become important after COVID-19. The Data 3 Act was implemented in South Korea on August 5, 2020, calling ‘Big Data 3 Act’ and ‘Data Economy 3 Act,’ and so personal information that was not able to identify a particular individual could be utilized without the consent of the individual. With the implementation of the Data 3 Act, it is possible to establish a fair economic ecosystem by ensuring fair access to data and various uses. In this paper, the law on the protection of personal information, which is the core of the Data 3 Act, was compared around Korea, the European Union and the United States, and the implications were derived through network analysis of keywords.
An Efficient Wavelet Image Coder for Portable Embedded System
박성욱,조도현,박종욱,Part, Sung-Wook,Cho, Do-Hyun,Park, Jong-Wook The Institute of Electronics and Information Engin 2006 電子工學會論文誌. Journal of the institute of electronics Vol.43 No.1
본 논문에서는 제한된 자원을 가지는 포터블 임베디드 시스템을 위하여, 작은 메모리 사용으로 효율적으로 영상 부호화가 가능한 웨이블릿 영상 부호화기를 제안하였다. 제안된 방법은 부호화 과정시 요구되는 메모리 사용량을 줄이기 위해 웨이블릿 계수들의 비트 레벨 정보를 가지는 2차원 중요 계수 배열을 사용한다. 제안된 방법은 중요 계수에 대한 부호화 과정과 계수들의 비트 레벨 정보의 부호화 과정을 한 번에 수행할 수 있다. 실험 결과 기존의 부호화 방법보다 화질 면에서 비슷하거나 우수한 성능을 보였으며, 2차원 중요 계수 배열을 이용한 최소의 메모리 사용으로 다양한 비트율에서 영상의 일그러짐 없이 안정적으로 동작함을 확인하였다. In order to provide an efficient way to processing with limited resources, we propose a wavelet coder that operates with little memory usage on the portable embedded system. In order to reduce redundancy in coding process caused by repetitive scanning of wavelet coefficients, the proposed coder uses a 2D significance coefficient array (SCA) which records the bit-level information of wavelet coefficients. The 2D SCA improves memory usage and processing speed required for image coding because it can perform significance check and bit coding of coefficients simultaneously.
연안습지의 효율적 관리를 위한 Mitigation 개념의 한국적 적용방안에 관한 연구 -법제도 개선방안을 중심으로-
박성욱,권문상,이용희,이미진,Park Seong-Wook,Kwon Moon-Sang,Lee Yong-Hee,Lee Charity Mi-Jin 한국해양과학기술원 2003 Ocean and Polar Research Vol.25 No.4
It is widely known that compare to many other countries, the U.S.A. has a strong framework for efficient implementation of mitigation policy to protect wetlands. As indicated in many strong mitigation initiatives, mitigation policy primary requires avoidance rule for wetland damage and if a developer inevitability damages wetlands, the development should be minimize, and as a last resort, the policy impose legal duty that a developer should compensate wetland corresponding to the damaged wetlands. However, the legal system fur Korea's mitigation system does not provide any legal duty for the compensatory mitigation, although the possibility of creation of tidal flat is casually expressed in several Korean legal systems. Therefore, without any strong and enforceable legal system, Korean mitigation system cannot efficiently protect Korea's vast and productive wetlands. To introduce mitigation policy similar to the U.S.A. in Korea, we suggest that there (a) should be a strongly policy which regulate legal duty for the compensatory mitigation, (b) should be an improve management system for actively corresponding to special knowledge relating to environment, and lastly, (c) should be a system which consider a class action introduced in environmental regime for a long term protection of tidal wetlands for future generation.