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박노삼,Park, N.S. 한국전자통신연구원 2021 전자통신동향분석 Vol.36 No.5
This study reviews application of data-driven anomaly detection techniques to the aviation domain. Recent advances in deep learning have inspired significant anomaly detection research, and numerous methods have been proposed. However, some of these advances have not yet been explored in aviation systems. After briefly introducing aviation safety issues, data-driven anomaly detection models are introduced. Along with traditional statistical and well-established machine learning models, the state-of-the-art deep learning models for anomaly detection are reviewed. In particular, the pros and cons of hybrid techniques that incorporate an existing model and a deep model are reviewed. The characteristics and applications of deep learning models are described, and the possibility of applying deep learning methods in the aviation field is discussed.
박노삼,김지학,안승섭,최윤영,이중석 대한상하수도학회 1999 상하수도학회지 Vol.13 No.3
In this study, the optimal analysis for pipe network is performed for the combined ideal pipe network system(CASE 1, CASE 2 and CASE 3) which is composed of 25 nodes, 41 elements, and 1 fixed nodal head with evaluating pressure variation distri-bution of main and branch in grid composed drainage pipe network. The linear analysis technique used as the analysis method in this study, the KYPIPE being used extensively as the linear technique to design and analysis of pipe network is applied. Firstly, in the analysis of pipe network, the CASE 2 and CASE 3 supply same thing(value) in the result of considering the total flow provided each pipeline, but in the general intension in the case of CASE 2, relative width of supply is more large than CASE 1 and CASE 3 Secondly, in the analysis technique of pipe network, CASE 3 is analysed largest as a result of comparing with same heads, and in the order of their size CASE 2 and CASE 1 were determined but the differenee doesn't appear to be obvious. Thirdly, as the result of determining main factor, pressure in the design and analysis of net work. CASE 3 is from Node 3 to 25 than CASE 1 and CASE 2 and it is determined in the order of their size, CASE 2 and CASE 1. Finally, in this study, discharge flow distribution is evaluated in the same condi-tion with 3-type CASE in the case of branch position for designing optimal composed drainage pipe network. As the result of that, branch pipe perform. Therefore, it is thought that the efficient and reasonable management of water supply and sewerage design will be possible if it give all our energies to study at the pipe system design in and out of country in the future.
朴魯參 慶一大學校 1991 論文集 Vol.7 No.1
In this paper, isotherm studies, batch tests and fixed-bed adsorption tests are performed by granular activated carbon. In those experiments, artificial samples which contain phenol are used. The conclusions are as follows; 1. Phenol which concentration is around 0~30ppm is adsorbed and removed about 90% within two hours. Adsorption of phenol by activated carbon is performed within reletively short time. 2. From the results of isotherm studies, Freundlich equation is the most suitable between adsorption and equilibrium concentration. Maximum adsorption per unit weight of activated carbon is 2.8mg/g. 3. In fixed-bed adsorption tests, breakthrough point is about 32 hours according to WHO standard-phenol concentration of 0.001ppm. Following to Korean standard-phenol concentration of 0.005ppm, maximum working time is about 50 hours.
박노삼 경일대학교 산업기술연구소 1994 産業技術硏究所 論文集 Vol.4 No.-
The experiments of the ozone treatment are performed with artificial samples which contain phenol of 2 mg/ℓ in water. The results are as follows: 1. When the phenol concentration is 2 mg/ℓ, the range of ozone injection rate is 0.55mg/ℓ∼0.75mg/ℓ and contact time is 7 min, it is found tat the removal effects of phenol by ozone for upflow and downflow are 99% and 84% respectively. Therefore the removal effect can be raised by 15% when upflow method is used. 2. When the upflow injection method is used, the contact time and ozone injection rate can be reduced. 3. When ozone of 1 mg/ℓ is used, the phenol concentration of 2 mg/ℓ has been decomposed as much as 2.66∼3.62 mg/ℓ for upflow, and 2.26∼ 3.06mg/ℓ for downflow.
박노삼,이길행 한국정보과학회 2004 데이타베이스 연구 Vol.20 No.2
SLA는 네트워크 서비스 사업자와 가입자 사이에 서비스 품질을 정의하는 협약으로서, 일정 수준의 서비슷 제공을 위해 SLA 관리 시스템(SLM)의 필요성이 대두되었다. 본 논문에서는 SLA에 대한 데이터 분석을 통해 네트워크 사업자에게 신속하고 효율적인 의사결정 지원정보를 제공할 수 있는 SLA 데이터 분석 시스템을 구현하였다. 본 논문의 시스템은 SLM의 일반정보, 위반정보, 과금정보 등을 바탕으로, 각각 추이분석과 통계현황 기능을 수행한다. 본 논문에서는 시스템에 적용된 다양한 분석 모형들에 대해 서술하고, 여러 분석 결과 중 최적 모형을 선정하는 모형 정의 절차에 대해 논의한다. 분석 결과는 테이블, 그래프 등의 다양한 형태로 제공되며, 분석 결과에 대해서는 각각의 분석 모형에 대한 개요 및 기준치 등을 제시함으로써 시스템에 대한 신뢰성을 높일 수 있다.