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日本語と韓国語の複数表現について-主に複数形接尾辞「たち」と「deul」の対照を通して-
姜太銀 한국일본언어문화학회 2016 일본언어문화 Vol.37 No.-
This thesis is the study on plural expressions both in Japanese and in Korean. Through the study of precedence, I examined the types of the plural suffixes, especially comparing Korean plural suffixes such as [deul/ne/hui] with Japanese ones like [tachi/domo/gata/ra]. I analyzed the meanings of suffixes on each case, dividing ranges of each suffix into a personal pronoun, a common noun, a collective noun and a proper noun. In addition, I compared through examples that unlike Japanese plural suffix which is conjuct with only a personal pronoun, Korean plural suffix is joined with the other nouns and the other parts of speech as well as a personal noun. Also, I suggested the possibility that [deul], which is Korean plural suffix, has not only the plural meaning but also spuriously exemplification or the meaning of state indentity.
지능형 도시에서 미세먼지 예측을 위한 심층 학습 기법 적합성 평가
신익희,문용혁,이용주 한국정보과학회 2019 정보과학회 컴퓨팅의 실제 논문지 Vol.25 No.12
An increase of particulate matter (PM) concentration in the atmosphere and interest about the harmful effects of PM on the human body are attracting more attention. PM prediction takes center stage in reducing the body’s exposure to PM. Also, the demand of local fine dust prediction has increased but the number of PM observation stations are inadequateto satisfy the demand. In this paper, we solve this problem and predict PM value by using smart city data. The deep learning models, using time-series data such assmart city data, are affected by the number of features in data. For this reason, finding suitable models for PM prediction is crucial. We train the multilayer perceptron, LSTM, CNN-LSTM model about two kinds of smart city data which have a different number of features. After training, we compute RMSE and MAPE for each network and suggest the suitable deep learning model based on value of RMSE and MAPE. When we compare the suggested model to various models used in other studies, the suggested model is predicted more precisely 대기중 미세먼지 농도 증가와 미세먼지가 인체에 끼치는 해로움에 대한 관심이 커지면서 미세먼지에 대한 신체 노출을 줄이기 위한 방법으로 미세먼지 예측이 떠오르고 있다. 또한 지역별 미세먼지 수치 관측에 대한 요구가 증가하고 있지만 미세먼지 관측소가 부족해 요구를 만족하기 어렵다. 본 논문에서는 스마트 시티 데이터를 활용하여 미세먼지 관측소가 부족한 문제를 해결하고 미세먼지 수치를 예측하고자 한다. 스마트 시티 데이터 같은 시계열 데이터를 다루는 딥러닝 모델은 입력 데이터의 특성 수에 영향을 받기 때문에 미세먼지 예측에 적합한 모델을 찾아야한다. 데이터 특성이 다른 두 스마트 시티 데이터에 대해 다층 신경망, LSTM, CNN-LSTM 모델을 학습하여 RMSE, MAPE의 값과 표준편차를 비교하여 적합한 딥러닝 모델을 제시한다. 제시한 모델과 기존 연구들에서 사용된 모델을 비교한 결과 제시한 모델이 더 정확한 예측을 수행하였다.
고조파 분석과 고조파 억제 시스템의 엑티브 필터에 관한 연구
권병휘,강태은,원진희,조용상,조의상,김진성 홍익대학교 산업기술연구소 2000 産業技術 Vol.10 No.-
The paper considers the theoretical problem of eliminating harmonics in inverter waveforms. The problems associated with the harmonics distortion of PWM inverter devices were analysed. Voltage control methods are variable parameter each harmonics magnitude improve the voltage wareform.
崔琁雄,姜泰垠,崔洪圭 홍익대학교 산업기술연구소 1996 産業技術 Vol.6 No.-
About a half of Electric power is generated by nuclear power plants in korea. So, a stable operation of nuclear power plant is very important for suppling the essential national eletric power. A S/G (Steam Generator) level control is the most difficult system in PWR(Pressurized Water Reactor) nuclear power plant. Because of the non-linear and the non-nominal response of S/G level control, it is very difficult to control the level by automatic mode or manual mode. The goal of this study is to establish and verify a advanced control alogorithm by analyzing, modeling, stability calculation, controller parameter calculation, simulation for S/G level control system. The response of a S/G level was analyzed and understood mathmatically by modeling. Some parameters of nuclear power plant were analyzed by modeling and used to simulate the S/G level control. The S/G level control system was tested and analyzed with the S/G level model, the result of the analyzing the control loop is unstable with the present control parameters. The Nyquist mapping method was used to analyze the stability of a control loop. The phase crossover frequency is calculated and applied to verify the stability of a control loop. By calculation of a control parameter which let the phase crossover point be allways in the stability region with the phase crossover frequency, the control loop applied the caulation control parameter is also stable. The S/G level control is more stable and faster by appling the feed-forward control with the calculated control parameter. The result of this study may be applied to analyze and approve the S/G level control system of the nuclear power plants.
고조파의 수동필터와 능동필터을 이용한 고조파 저감 대책에 관한 연구
崔洪圭,강태은,고영곤,김정한,김길영 홍익대학교 산업기술연구소 2001 産業技術 Vol.11 No.-
The paper considers the theoretical problem of eliminating harmonics in inverter waveforms. The problems associated with the harmonics distortion of active filter and passive filter were analysed. Voltage control methods are variable parameter each harmonics magnitude improve the voltage wareform.
최홍규,강태은,원진희,정성윤 홍익대학교 산업기술연구소 1999 産業技術 Vol.9 No.-
This parer proposes fuzzy reasoning algorithm for improvement in Zonal Cavity Method that is difficult to calculate average illumination without lighting scope and reflection factor so on. This parer use fuzzy reasoning algorithm for maintainment of the best illumination in spite of some variation those are influenced of roon illumination and cut down the difficult to be calculated used Zonal Cavity Method.
崔洪圭,全光鎬,姜太垠,崔琁雄 홍익대학교 산업기술연구소 1997 産業技術 Vol.7 No.-
This paper proposes Dimming Ballast illumination control method using fuzzy reasoning the proposed method has the following effects. First the power saving above 50% is accompanied by the automatic control of the illumination and the choice of a turn-on or -off of a fluorescent lamps that is accompanied by the number of person and working time and weather Second the maintainment of the best illumination in spite of time and weather variation. Third More simple establishment and low than BAS(Building Automation System) because need not main control unit or communication cable
전력변환장치를 포함한 전력시스템에서 동조 필터를 이용한 고조파 저감 효과의 분석에 관한 연구
최홍규,김경철,강태은,전기원 한국조명전기설비학회 2000 조명·전기설비학회논문지 Vol.14 No.3
전력변환기와 같은 비선형 부하의 사용증가는 전원 전력설비시스템에 고조파을 발생시킨다. AD/DC 변환설비는 전력시스템에서 중요한 고조파 발생원이 되고 있다. 고조파를 포함하는 전류와 전압은 전기설비에 고장과 오동작등과 같은 나쁜 영향을 미친다. 고조파 문제를 해결하는 일반적인 방법으로는 고조파 필터룹 사용한다. 본 논문에서는 EDSA 고조파 분석 프로그램을 사용하여 고조파를 제거하는 동조필터를 설치하여 그 효고를 검증하였다. The increasing use of non-linear loads such as power electronics draw highly distorted currents from the utility system. High harmonics currents and voltages will cause equipment damage and disturb the plant operation. The common solution to harmonics problem is to use harmonics filters. In this paper simulation results used the EDSA harmonics analysis program verifying the effects of the single-tuned filter for harmonic elimination are presented.
퍼지 논리 제어기를 이용한 유도 전동기 전류 제어에 대한 연구
崔洪圭,全光鎬,姜泰垠 홍익대학교 산업기술연구소 1995 産業技術 Vol.5 No.-
In this paper, we propose the control method of an inverter-fed induction motor using Fuzzy Logic Controller. The FLC chooses the switching states based on a set of fuzzy variables. Error in flux component magnitude of stator current error in torque component magnitude of stator current and flux position are used as fuzzy state variables. Fuzzy rules are determined by observing the vector diagram of flux and currents. The proposed controller shows a good dynamic speed response and decoupling characteristics. Moreover, since the rotor parameter has no effects on the performance the controller and the fuzzy controller possesses highly adaptive capability the performance of fuzzy controller is quite robust and insensitive to the motor parameters and change of operation conditions