http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정기민,김수환,김현철 한국컴퓨터교육학회 2023 컴퓨터교육학회 논문지 Vol.26 No.6
The purpose of this study is to develop an AI literacy framework for all school teachers and to suggest the direction of AI education for teachers. The 2022 revised curriculum proposes to use the AI knowledge cultivated in information subjects to solve problems in various subjects. Therefore, teachers of all subjects need to have AI literacy and have the ability to apply AI to their subjects. In this study, the concept of AI literacy required for elementary and middle school teachers was explored, and a framework was developed to apply AI literacy to each subject. In order to define the concept and contents of AI literacy, 21 literatures were investigated and analyzed to derive education types, and validity was verified through expert Delphi. The AI literacy framework for teachers was verified through expert Delphi with the results obtained through three expert consultations. Based on the results of the study, the educational direction for strengthening AI literacy for teachers was suggested. The AI literacy framework for teachers developed through this study can be used as basic data to set the direction of what artificial intelligence literacy is required for teachers and what training is required when the 2022 revised curriculum is introduced.
Gate Data Gathering in WiFi-embedded Smart Shoes with Gyro and Acceleration Sensor
정기민,이경창 한국산업융합학회 2019 한국산업융합학회 논문집 Vol.22 No.4
There is an increasing interest in health and research on methods for measuring human body information. The importance of continuously observing information such as the step change and the walking speed is increasing. At a person's gait, information about the disease and the currently weakened area can be known. In this paper, gait is measured using wearable walking module built in shoes. We want to make continuous measurement possible by simplifying gait measurement method. This module is designed to receive information of gyro sensor and acceleration sensor. The designed module is capable of WiFi communication and the collected walking information is stored in the server. The information stored in the server is corrected by integrating the acceleration sensor and the gyro sensor value. A band-pass filter was used to reduce the error. This data is categorized by the Gait Finder into walking and waiting states. When walking, each step is divided and stored separately for analysis.
스마트 그리드 내 독립전원의 단독운전 방지를 위한 무선 센서 네트워크 기반의 원격 전력 감시 시스템
김기민,이경중,문찬우,안현식,정구민 한국인터넷방송통신학회 2010 한국인터넷방송통신학회 논문지 Vol.10 No.4
최근, 산업현장의 전력분야에서는 신재생 에너지와 스마트 그리드에 관심이 모아지고 있다. 스마트 그리드는 기존 전력망에 정보통신기술을 접목하여 전력망의 신뢰성, 효율성, 안전성을 향상시키고, 전력의 생산 및 소비 정보를 양방향, 실시간으로 모니터링하면서 에너지 효율을 최적화하는 차세대 전력망 기술이다. 그러나 스마트 그리드 내의 원격 모니터링 시스템들은 대부분의 유선망을 이용하는데, 유선망은 소규모 발전기에는 설치하기 어려운 단점이 있다. 본 논문에서는 스마트 그리드 내에서의 통신거리 제약 등의 여러 가지 문제점을 해결하기 위하여 센서네트워크를 기반으로 하는 원격 전력 모니터링 시스템을 구현한다. 또한, 구현된 시스템을 이용하여 새로운 분산전원 단독운전 방지 기법을 제안하고 실험을 통하여 검증하고자 한다. Renewable energy and smart grid become the focus of attention of industry. The smart grid is an intelligent system which maximizes the efficiency of energy and it needs to monitor the amount of power generation and power consumption continuously. Remote Monitoring System(RMS) is very useful for monitoring the power generation and consumption, but mostly they are implemented on the wire communication. In this paper, we propose a wireless sensor network based remote power monitoring system. And as an application, a new anti-islanding method with the proposed RMS is presented. An experimental micro grid system is implemented to verify the proposed RMS and anti-islanding method.