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PSO 기법 기반의 유도기 및 ZIP 부하 파라미터 추정
김영곤(Younggon Kim),송화창(Hwachang Song),이병준(Byongjun Lee) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.11
This paper deals with the method of estimating the parameters for a selected model structure with an induction motor and a ZIP load. The method employs a standard PSO algorithm to estimate the set of parameters, including the portion of the static and dynamic loads. The method searches the adequate parameter values that best fit the sampling data from the measurement for a period of time, minimizing the error of the output, active and reactive demands. This paper illustrates an example applying the estimation method to simulation data from a simple-8bus test system.
김영곤(Kim YoungGon),안상우(Ahn SangWoo) 한국한의학연구원 2007 한국한의학연구원논문집 Vol.13 No.3
This study is on the characteristics of LiSangSockDanBang(理傷續斷方). Through this study, the characteristics of LiSangSockDanBang(理傷續斷方) can be oganized as the following: First of all, in LiSangSockDanBang, the treatment of traumatic injury is consisted of the fourteen steps. This fourteen steps is resorted by four steps. ; Washing(洗藥法), Standin in line(整復法), Using an external application(外治法), Using an internal medicine(內服法). This is LiSangSockDanBang's major characteristics. Because of this contents, LiSangSockDanBang is quoted on EuiBangLyuChi(?方類聚). The first treatment of traumatic injury is Wahing. Wahing is not only sterilizing a wounded region but pushing out the PungSa(風邪). So, to avoid a infection of a tetanus, washing medicine consist of the herbs, that push out the PungSa(風邪). LiSangSockDanBang has high level of surgery. In 1456, YoungLyuGumBang(永類鈐方), has no more level than surgery's in LiSangSockDanBang, is reprinted. This fact means that the surgery is used frequently in those days. In this scientific backing, an operation needle, that described in ChiJongJiNam(治腫指南) and ChiJongBiBang(治腫秘方), are written by Lim UnGook(任?國), is used frequently, too. In LiSangSockDanBang, the major external applications are HookLyongSan(黑龍散) and PungLyuSan(風流散). In case of open wound, the HookLyongSan is used but in closed wound, PungLyuSan is used. The internal medicine has three applications. ; Removing extravasated blood(瘀血), Catharsis (通利大小便), Supplementation(補氣血).
정상상태 에러 기준을 고려한 PSO 기반의 동적 부하모델 파라미터 추정
김영곤(Younggon Kim),송화창(Hwachang Song),이병준(Byongjun Lee) 한국지능시스템학회 2010 한국지능시스템학회 학술발표 논문집 Vol.20 No.1
Load modeling has a significant impact on power system analysis and control. This paper deals with the method for estimating the parameters for dynamic load model, which include static and dynamic parts, using a PSO (particle swarm optimization). For more accurate modeling, the method adopts a steady-state error criterion to filter out the adequate parameter sets. This paper applies the method to 23 bus test system including static and dynamic load.
김영곤(Younggon Kim),송화창(Hwachang Song),이병준(Byongjun Lee) 한국지능시스템학회 2009 한국지능시스템학회 학술발표 논문집 Vol.19 No.2
This paper deals with the algorithm of estimating the parameters for selected load model structure that is composed of ZIP and Induction motor model. The algorithm estimates static-dynamic load parameter set using particle swarm optimization(PSO). The method searches the adequate parameter values that best fit the sampling data from the measurement for a period of time, minimizing the error of the output, active and reactive demands. This paper applies the algorithm to 23-bus test system.
김영곤(Younggon Kim) 한국자동차공학회 2023 한국자동차공학회 학술대회 및 전시회 Vol.2023 No.11
Recently, the automobile industry has been trending toward reducing costs and increasing efficiency. Also, the first thing consumers see when they see a car for the first time is the exterior body of the car, especially the lamp. Therefore, the role of lamp research engineer is to develop lamps that meet more economical and design conditions with high efficiency. Herein, I suggest a new type of next-generation lamp. By adding a triangular pattern layer using polysilicon to the LED, the extraction efficiency of LED is increased, and an LED that emits circularly polarized light in the visible wavelength using chirality has been developed. And I defined that LED as a meta-LED. Meta-LED uses perovskite material as a light emitting material to increase optical efficiency and adjust the wavelength according to the composition of perovskite material. This new type of LED will be able to serve not only as a lamp for a car but also as a sensor. A large number of sensors are needed for the trend of the automobile industry to go to autonomous driving, and meta-LEDs that perform the functions of lamps and sensors at the same time can be a key point in the autonomous driving industry.