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拱辰丹의 "麝香 代入 沈香 或 木香"에 관한 古典文獻 硏究
이민석,이종훈,윤태관,이장천,이부균,Lee, Min-Seok,Lee, Jong-Hoon,Yoon, Tae-Kwan,Lee, Jang-Cheon,Lee, Boo-Kyun 대한한의학방제학회 2015 大韓韓醫學方劑學會誌 Vol.23 No.2
Objectives : The object of this paper is to seek and provide evidences for the possibilities of substitutional use of Aquilariae Resinatum Lignum and Aucklandiae Radix for Moschus as an ingredient of Gongjin-dan by clarifying the similarities and differences among these herbs in the classic literatures. Methods : We have found out the features of Moschus, Aquilariae Resinatum Lignum and Aucklandiae Radix by searching Qi, Flavor and Effect of each herb in 『Shennongbencaojing』, 『Zhengleibencao』, 『Bencaogangmu』, 『Dongeuibogam』, 『Bencaobeiyao』, 『Euijongsonik』 and 『Bangyakhappyeon』. And we have compared and analyzed the fomula of Gongjin-dan and other prescriptions in 『Beijiqianjinyaofang』, 『Shengjizonglu』, 『Shiyidexiaofang』, 『Dongeuibogam』, 『Euijongsonik』, 『Euibanghwaltu』 and 『Bangyakhappyeon』. Results : We could find out the similarities and differences in Qi, Flavor and Effect among Moschus, Aquilariae Resinatum Lignum and Aucklandiae Radix. And we could also find the examples of substitutional use of Aquilariae Resinatum Lignum as an ingredient of Gongjin-dan by comparing the formula of Gongjin-dan in the classic literatures as above. And in the other prescription, Aucklandiae Radix was also used instead of Moschus. Conclusions : All of three herbs have pungent in Flavor and warm in Qi. And these herbs also have similar effects in dispersing invading pathogenic factors and smoothening the flow of Qi. And according to 『Bencaobeiyao』, 『Euijongsonik』 and 『Bangyakhappyeon』, Aquilariae Resinatum Lignum and Aucklandiae Radix direct and regulate the Qi in common. The substitutional use of Aquilariae Resinatum Lignum and Aucklandiae Radix instead of Moschus in Gonjin-dan seems to be related to 'the ascent of Water and descent of Fire' effect of Gongjin-dan.
유비쿼터스 환경의 위치 기반 모바일 전자상거래 서비스 통합 구조에 관한 연구
이민석,이훈일,이미영,Lee, Min-Suk,Lee, Hun-Ll,Lee, Mi-Young 한국데이터전략학회 2005 Journal of information technology applications & m Vol.12 No.3
The internet and wireless communication technologies are creating ubiquitous environments in which various services are expected anytime and anywhere. Many hardware facilities have been developed and system structures are suggested for mobile services to realize a ubiquitous computing environment with appropriate quality. But these applications are not designed in the consideration of the general capabilities to perform user's wireless and mobile communication/transaction. Consequently, different needs from users are not sufficiently satisfied yet. In this study, we suggest structure of the emerging network system for mobile commerce that provides users with seamless and ubiquitous environments using location information which exploit context-aware technology.
이민석,Lee, MinSuk 대한임베디드공학회 2011 대한임베디드공학회논문지 Vol.6 No.2
This paper describes the development of an open source motion sensor emulator. It helps developers to understand the motion sensor and its data better. Through this emulator, the realtime or stored motion sensor data can be applied to the applications that utilize motion sensors. The data of motion sensors which include accelerometer sensor, magnetic field sensor, gyro sensor, GPS, and so on, can be collected by using smart phones or motion sensors. We also describe a visualizer which shows various graphs, video and 3D animations based on the data sent by the emulator. It helps developers to understand motion sensors and how to use the sensors. The developed emulator is compatible with Android sensor simulator.
다채널 음향방출 신호에 대한 딥러닝을 통한 3차원 위치 표정
임소영(Soyoung Lim),서호건(Hogeon Seo),이항로(Hang-Lo Lee),김진섭(Jin-Seop Kim) 한국비파괴검사학회 2022 한국비파괴검사학회지 Vol.42 No.1
본 연구에서는 다채널 음향방출 신호로부터 발진 위치 좌표를 예측하는 딥러닝 모델을 활용함에 있어서 손실함수 및 데이터 전처리 조건에 따른 성능을 평가했다. 7 채널의 음향방출 신호를 이미지 형태로 모델의 입력으로 활용하였고, 출력은 X, Y, Z 좌표를 각각 출력하는 경우와 한 번에 출력하는 경우를 고려하였다. 딥러닝 모델로는 EfficientNet B3을 활용했으며, 평가지표는 평균 절대 오차를 채택했다. 손실함수로는 평균제곱오차와 평균절대오차, 시계열 데이터 전처리 기법으로는 스케일링(MinMaxScaler, StandardScaler, MaxAbsScaler), 신호 전처리(Abs, MA, LPF), 샘플링 길이(1024, 512, 342)에 따른 위치 표정 성능을 비교했다. 그 결과, 손실함수로는 평균제곱오차를 사용하는 것이 유리했고, 스케일링으로는 MaxAbsScaler가 효과적이었다. MaxAbsScaler 적용 후, 절대값을 취해준 후 저역통과필터나 이동평균을 적용한 데이터의 단순화는 성능에 악영향을 미쳤다. MaxAbsScaler 적용 후, 512 개만 샘플링 했을 때 더 좋은 성능을 보였고, X, Y, Z의 각 좌표를 개별적으로 추정하는 방식이 최고 성능을 보였다. This study evaluated source localization performance based on the loss function and preprocessing conditions when using a deep learning model that predicts the source coordinates from multi-channel acoustic emission signals. Signals of seven channels were fed as input into a model in the form of an image, and two output cases were considered: outputting X, Y, and Z coordinates one at a time and outputting them at the same time. EfficientNet B3 was used as the model, and the mean absolute error was adopted as the performance index. Mean square error and mean absolute error were used as loss functions. The performance was compared with respect to scaling (MinMaxScaler, StandardScaler, MaxAbsScaler), preprocessing (Abs, MA, LPF), and sampling length (1024, 512, 342). The results show the advantage of using the mean squared error and the effectiveness of MaxAbsScaler. After applying MaxAbsScaler, the simplification of the data, such as taking the absolute value, and applying a low-pass filter or moving average method, had an adverse effect on the performance. The MaxAbsScaler exhibited better performance when 512 samples were input, and each coordinate of X, Y, and Z was separately estimated.
휴대용 게임기를 이용한 공개 SW 기반 임베디드 소프트웨어 교육 IDE 환경 구성
이민석,Lee, MinSuk 대한임베디드공학회 2012 대한임베디드공학회논문지 Vol.7 No.2
In this paper we describe the integrated development environment for embedded software education. Our environment uses a cheap and widely available portable game console, Nintendo DS-lite. We have integrated open source development tools, and have implemented download shell, remote debugger. The results are all open source, and were used for university class for real embedded software education.
이민석,정윤호,임소민,허재우,김종열,Lee, Min-Seok,Jeong, Yun-Ho,Lim, So-Min,Heo, Jae-Woo,Kim, Jong-Ryeol 한국융합신호처리학회 2020 융합신호처리학회 논문지 (JISPS) Vol.21 No.4
친환경적이고 에너지 절약적인 난방 방법으로 히트펌프에 대한 관심이 높아지고 있다. 특히, 저온 지역에서 난방이 가능한 히트펌프를 개발하기 위해 실외기 표면에 서리가 발생하지 않도록 하는 연구가 많아지고 있다. 즉, 온도가 낮은 지역에서 히트펌프를 통해 난방을 할 경우 실외기 표면에 서리층이 형성되어 전열성능을 떨어뜨려 난방능력을 감소시키는 것이 일반적이다. 따라서 본 연구에서는 히트펌프의 실외기에 유입되는 습공기의 수증기를 흡착식 제습시스템을 부착하여 제거하고자 한다. 본 연구를 통해 저온지역에서 가장 효과적인 제습방법을 제시할 수 있을 것으로 판단된다. 그리고 히트펌프의 실외기 전면에 흡착식 제습시스템을 부착하여 에너지 효율이 높은 히트펌프를 개발할 수 있을 것으로 사료된다. Interest in heat pumps is increasing as an eco-friendly and energy-saving heating method. In particular, in order to develop a heat pump capable of heating in a low-temperature area, research to prevent frost on the surface of the outdoor unit is increasing. In other words, when heating through a heat pump in a low-temperature area, a frost layer is formed on the surface of the outdoor unit, which lowers the heat transfer performance, thereby reducing the heating capacity. Therefore, in this study, an adsorption-type dehumidification system is attached to remove the moisture vapor of the air into the outdoor unit of the heat pump. It is believed that this study can suggest the most effective dehumidification method in low temperature regions. In addition, it is expected that a heat pump with high energy efficiency can be developed by attaching an adsorption dehumidifying system to the front of the outdoor unit of the heat pump.