https://oak.chosun.ac.kr/handle/2020.oak/19133 Wed, 29 Oct 2025 18:17:10 GMT 2025-10-29T18:17:10Z https://oak.chosun.ac.kr/handle/2020.oak/19235 Title: 경관조명용 LED 투광등에 대한 광학 시뮬레이션 Author(s): 김승은; 방광수; 정재훈; 안재현; 주기남; 권민기; 박종락 Abstract: Optical modeling and simulations of a recently developed light-emitting diode projection system for landscape lighting applications were performed. A commercially available illumination design software, LightTools, was employed to this end. Various imaging patterns available from the projection system were simulated and the simulated results were found to be in good agreement with measured ones. Sat, 31 Dec 2016 15:00:00 GMT https://oak.chosun.ac.kr/handle/2020.oak/19235 2016-12-31T15:00:00Z https://oak.chosun.ac.kr/handle/2020.oak/19233 Title: TSK 기반의 ELM 예측기를 이용한 에너지 효율 예측 Author(s): 염찬욱; 김동현; 곽근창; 김원배; 조금배 Abstract: This study suggests an ELM model that is based on a TSK fuzzy model and compares its performance projection with the existing ELM model. The TSK based ELM model replaces the in the existing model with a linear function. Additionally, the center of the cluster is haphazardly set. The Weighted value between the hidden layer and input is nonexistent whereas the weighted value between the hidden layer and output apply a linear equation. In order to evaluate the performance of TSK - based ELM predictor, we compared the performance of existing ELM predictor with the energy efficiency problem using building cooling and heating load prediction data. In conclusion, the TSK based ELM model outperformed the current ELM model in performance projection. Sat, 31 Dec 2016 15:00:00 GMT https://oak.chosun.ac.kr/handle/2020.oak/19233 2016-12-31T15:00:00Z https://oak.chosun.ac.kr/handle/2020.oak/19234 Title: 자동차 속도감응형 LED 주행상태 안내 시스템의 주행상태 인지성에 대한 연구 Author(s): 양동희; 홍성인; 최병기 Abstract: Present automobile driving indicating system hasn't provided variable driving infromation(the increase or decrease of the velocity, parking and backware drive etc.). In this study, we developed the driving state led guide system according to automobile velocity response and carried out the awareness test at various conditions(day and night, sex, ages and driving status). According to the results, awareness about the driving state led guide system was higher in 20 ages and woman group than other group. At night driving, awareness of this system was generally increased because the visual information was more important than day. Also, awareness was more increaed in case of decelerating driving than other driving status because Sat, 31 Dec 2016 15:00:00 GMT https://oak.chosun.ac.kr/handle/2020.oak/19234 2016-12-31T15:00:00Z https://oak.chosun.ac.kr/handle/2020.oak/19225 Title: 차세대 중형위성 전자광학 탑재체 카메라 제어기 전장품의 열적 안정성 평가 Author(s): 채봉건; 이용근; 강석주; 장수영; 오현웅 Abstract: CCB (Camera Controller Box) is an electronic equipment to perform acquisition, processing and transmitting imaging data of electro-optical camera for CAS (Compact Advanced Satellite). The electronic equipment for satellite applications shall maintain its reliability in entire mission duration because the satellite is almost impossible to be repaired or recovered after launch. To guarantee a reliability of electronics during its mission life time, a junction temperature of EEE (Electric, Electronic and Electromechanical) parts is important design parameter and shall be secured within their allowable ranges. In addition, a heat flux density from the electronic equipment to the satellite shall be within its design requirement. In this study, we performed the thermal analysis of the CCB to assess its thermal stability with respect to the junction temperatures of each components as well as the heat flux density. The thermal analysis results indicated that a thermal design of CCB fully satisfies the required thermal stability. Sat, 31 Dec 2016 15:00:00 GMT https://oak.chosun.ac.kr/handle/2020.oak/19225 2016-12-31T15:00:00Z