http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
나현성(Hyun-Sung Na),이경민(Kyung-Min Lee),황지인(Ji-In Hwang),함정모(Jung-Mo Ham),성낙권(Nak-Kwon Sung),박철원(Chul-Won Park) 한국조명·전기설비학회 2021 한국조명·전기설비학회 학술대회논문집 Vol.2021 No.11
A generator fault is less frequent than a transmission and substation fault, but it has a very large impact on the power system. Therefore, a highly reliable protective relay system is required. Recently, technology has been accumulated through the localization of protection control panels for domestic H/P. The secured core technology is an IED system for protection of IEC 61850-based generators. In this paper, for the stable and optimal operation of the generator protection IED, the generator system is constructed using the PSCAD platform.
다양한 형태의 사물데이터 질의 처리를 위한 단일 색인 및 시각화 방안
한진주(Jinju Han),나철원(Chul-Won Na),이다희(Dahee Lee),이도훈(Do-Hoon Lee),온병원(Byung-Won On),이용(Ryong Lee),박민우(Min-Woo Park),이상환(Sang-Hwan Lee) 한국컴퓨터정보학회 2019 韓國컴퓨터情報學會論文誌 Vol.24 No.9
Recently, a variety of IoT data is collected by attaching geosensors to many vehicles that are on the road. IoT data basically has time and space information and is composed of various data such as temperature, humidity, fine dust, Co2, etc. Although a certain sensor data can be retrieved using time, latitude and longitude, which are keys to the IoT data, advanced search engines for IoT data to handle high-level user queries are still limited. There is also a problem with searching large amounts of IoT data without generating indexes, which wastes a great deal of time through sequential scans. In this paper, we propose a unified spatial index model that handles both grid and trajectory queries using a cell-based space-filling curve method. also it presents a visualization method that helps user grasp intuitively. The Trajectory query is to aggregate the traffic of the trajectory cells passed by taxi on the road searched by the user. The grid query is to find the cells on the road searched by the user and to aggregate the fine dust. Based on the generated spatial index, the user interface quickly summarizes the trajectory and grid queries for specific road and all roads, and proposes a Web-based prototype system that can be analyzed intuitively through road and heat map visualization.
안드로이드 환경에서 라즈베리파이를 이용한 홈 오토메이션 시스템 구현
한승민 ( Seung-min Han ),유영식 ( Young-sik Yoo ),오선영 ( Sun-young Oh ),나철원 ( Chul-won Na ),이준승 ( Jun-seung Lee ),정동원 ( Dongwon Jeong ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.1
이 논문의 목적은 사용자 편의성이 향상된 홈 오토메이션 시스템을 제안한다. 기존의 논문은 라즈베리파이 이용 및 웹 페이지를 기반으로 원격지에서도 하드웨어 제어가 가능하다. 하지만 이러한 구조는 웹 페이지에 접속해서 사용하는 번거로움이 존재한다. 이 논문에서 제안하는 것은 기존의 라즈베리파이를 이용한 홈 오토메이션 시스템을 보다 간편하게 원격접근 및 제어가 가능하다. 이 제안 시스템은 용자에게 개선된 편의성을 제공한다.