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Short‑Term Load Forecasting Based on Deep Neural Networks Using LSTM Layer
Bo‑Sung Kwon,Rae‑Jun Park,Kyung‑Bin Song 대한전기학회 2020 Journal of Electrical Engineering & Technology Vol.15 No.4
Short-term load forecasting (STLF) is essential for power system operation. STLF based on deep neural network using LSTM layer is proposed. In order to apply the forecasting method to STLF, the input features are separated into historical and prediction data. Historical data are input to long short-term memory (LSTM) layer to model the relationships between past observed data. The outputs of the LSTM layer are incorporated with outputs of fully-connected layer in which prediction data, for instance weather information for forecasting day, are input. The optimal parameters of the proposed forecasting method are selected following several experiment. The proposed method is expected to contribute to stable power system operation by providing a precise load forecasting.
한의약 컨텐츠를 가미한 강원도 리조트형 웰니스 프로그램 제안
유준상, 권보인, 이재형 상지대학교 한의학연구소 2023 尙志韓醫論文集 Vol.11 No.1
Objectives: As interest in wellness tourism is increasing in Korea, we sought to propose a program with Korean Medicine Contents for eight resorts in Gangwon-do, which has forests and marine resources. Methods: The authors visited eight designated resorts in Gangwon-do, observed the facilities, and interviewed the people in charge. Questions and answers were asked and answered in the form of a questionnaire regarding any deficiencies in the interviews. Afterwards, the contents were analyzed and a Korean Medicine program suitable for each resort was proposed. Results: A total of 17 Korean Medicine Programs were proposed, of which the meditation/yoga program and diet/drink program tailored to each constitution were proposed to be applicable to all 8 resorts. The rest were proposed considering each resort's facilities, environmental characteristics, and main product programs. Conclusions: It appears that the ‘meditation/yoga program’ and ‘constitutional diet and beverage development’ sectors are programs that can be commonly carried out by all facility companies, and for this purpose, the Sasang constitution test and Korean medicine measurement within the resort in Gangwon-do are used to create a program linked to this. In addition, we believe that efforts to improve the program through verification of efficacy will be necessary in the future
한국산 부산입술대고둥(Euphaedusa fusaniana)의 아이소자임 변이
황보학,이준상,조등현 江原大學校 附設 環境硏究所 1994 環境硏究 Vol.11 No.-
Electrophoretic variations in isozymes encoded by 16 loci were studied to estimate genetic variation and to assess phyletic relationships, and biogeographic pattern of distribution of the Euphaedusa fusaniana collected from Sehwa, Aeweol, Samchuck, Tongdosa, Gernundo, and Y?su areas in Korea was discussed with respect to the isozyme variation. The 180 apecimens were examined. Means of allele per locus(?) and polymorphism(?) were 1.528 and 45.5%, respectively and hetrozygosity (?_(D)) was 0.205. Samchuck population showed lower mean value of allele per locus(?=1.46). Higher polymorphism(P=57.14%) was observed among Tongdosa popualtion. Aeweol population showed slightly lower genetic variation (H_(D)=0.15) than others. Average genetic similarities(?) among the six populations was 0.716 Aeweol and Samchuck populations were genetically closer(S=0.903) than others. However the S value between Y?su and Samchuch populations was low(S=0.562). Average genetic distance(?) among the 6populations were 0.267. Both Aeweol and Samchuck populations have closer genetic distance (D=0.067). Genetic distance pattern was similar to genetic similarity pattern.
X-대역 SiGe HBT MMIC 차동형 전압 제어 발진기 개발
김보준,채규성,박민기,김창우 경희-다반 ASIC 설계교육센터 2005 경희-다반 ASIC센터 논문집 Vol.6 No.-
ISO 18000-6B, EPC Class-1 Gen-1, Gen-2 리더 표준에 적용되는 UHF 대역 RFID 리더용 RF 송신기를 하이브리드형 DHC로 설계 및 제작하였다. 송신기의 ASK 변조회로는 하나의 GaAs SPST스위치와 LPF로 구성하였으며, PR-ASK 변조 회로는 하나의 balua 두 개의 GaAs 통PST와 하나의 GaAs SPDT 스위치를 이용하여 link주파수 1-MHz 이상되는 변조신호에서 시간 지연이 없도록 설계하였다. LDMOS를 이용한 전력증폭기는 선형성을 위하여 8-dB back-off 상태로 동작시켜 출력전력 30-dBm을 얻었다.
900MHz대역 RFID 리더용 RF송신기 설계 및 제작
김보준,채규성,김창우 경희-다반 ASIC 설계교육센터 2006 경희-다반 ASIC센터 논문집 Vol.7 No.-
SiGe HBT를 이용하여, X-Bnad 대역의 Transceiver에 응용 가능한 차동형 전압제어발진기를 설계 및 제작하였다. Capacitive positive feedback을 이용하여 부성저항을 특성을 구현 하였으며, 인덕터와 버랙터를 사용하여 공진부를 구성하였다 측정 겉과, 제작된 전압 제어 발진기는 0 ∼ 2.8 V의 조절 전압 인가시, 8.55 ∼ 7.35 GHB의 1.2 GHz 튜닝 범위를 갖는 발진 특성을 나타내었다. 또한, 1.8 V의 조절 전압 인가시, 8 GHB에서 -7.7 dBm의 출력 전력 특성과 -106 dBc의 위상 잡음 특성을 각각 나타내었다.
전태보,김기동,오준형 江原大學校 産業技術硏究所 2005 産業技術硏究 Vol.25 No.A
Semantic object model has widely been recognized as an alternative data modeling approach to entity-relationship model for database system design. In this study, we have presented a semantic object model for intermediary type shopping mall consisting of multiple buyers and sellers. Essential processes and information with regard to the customer management, product management, price estimation, product order etc. have been considered for this study. Upon careful examination and analysis of them, a detailed semantic objects and attributes have been drawn and structured into semantic object diagrams. The final objects were converted into an entity-relationship diagram so that intuitive comparison could be made for relational database design. The results in this study may form a conceptual framework for both academic concerns and more complicated system applications.