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원칩마이크로컨트롤러를 이용한 전력감시장치의 원격감시 알고리즘 설계
신사현,조금배,백형래 조선대학교 에너지.자원신기술연구소 2001 에너지·자원신기술연구소 논문지 Vol.23 No.2
This paper describes on the development of power detection system with one-chip microcontroller. The power system is designed to main controller system and analyzing software. The system detected 3-phases voltage, 3-phases current, external temperature, leakage current and store in flash memory. AT89C52 was used as CPU and AM29F040B was used as memory to store the data. The analysis software was developed to detect the cause of the electrical fire incidents. With a data-compression technology, the data can be stored for the 43.5 days in a nominal state, four hours and fifteen minute in a state of emergency.
원칩마이컴을 이용한 실시간 데이터 저장을 위한 알고리즘 설계
신사현(Sa-Hyun Shin),김기범(Ki-Bum Kim),조금배(Geum-Bae Cho),백형래(Hyung-Lae Baek),서진연(Jin-Youn Seo),최낙일(Nak-Il Choi) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
In This paper describes on the development of detecting power using Microprocessor. The detecting power system is composed of main controller system and analyzing software. The system detected voltage, current, temperature, leakage current and its saved in ROM. This system applies the 'AT89C52' to CPU and 'AM29F040B' used a memory to save the data.
신사현,장용해,백형래,조금배 조선대학교 전자정보통신연구소 2001 電子情報通信硏究所論文誌 Vol.4 No.2
In this paper, describe the magnetic sensor detecting the speed of wire or thin pipe, which move irregularly, using Hysteresis phenomenon. After magnetic field is placed to a metallic object, this magnetic sensor converts residual magnetism into velocity, This magnetic sensor is composed of transmission part that causes magnetism, reception part that detects magnetism, and control part that convert magnetic field intensity into velocity.
辛相雄,조금현 中央大學校 韓國藝術硏究所 1988 中央大學校 藝術大學 創論 Vol.7 No.-
In this article, the Dialectical Realism is the literary criticism of Marxism before the KAPF accepts the Social Realism. This article aims at revealing the propulsive process in the Dialectical Realism of the KAPF through controversy. If the process of propulsive Dialectical Realism of the KAPF is arranged in good order, it is as follow. 1. Controversy over the content and form between Park. Young Hee and Kim, Ki Jin. 2. Controversy over the partysim between 'Seoul Headquarter' and 'Tokyo Branch'. 3. Controversy over the popularity between Kim, Ki Jin and Lim, Hwa. Through these controversy, the propulsive process on factors of the Marxism's literary criticism concept of the content and form, partyism, popularity-is divided into two trends. The one is to overemphasize 'superstructure' that did not go with the importance of 'the base', the other is that did not recognize the autonomy of 'superstructure' because they thought 'the base' important too highly. We can find that the former mistake is in examples of Kim, Ki Jin in the first controversy, 'Seoul Headquarter' in the second, and Kim, Ki, Jin in the last, and the mistake is Park, Young Hee, 'Tokyo Branch' and Lim, Hwa. We can also find the same mistake in these two aspects because they did not recognize the correlation between 'the base' and 'superstructure'. I think that the latter is nearer to the literary criticism of Marxism than the fomer. Because the latter devoted themseves to the movement for independence of the nation under the control of Japanese imperialism and had the thorough recognition on 'the base'.
벡터드라이버를 이용한 편측형 선형유도전동기 구동특성에 관한 연구
장용해,임홍우,신사현,조금배,백형래 조선대학교 에너지.자원신기술연구소 2001 에너지·자원신기술연구소 논문지 Vol.23 No.2
The input voltage of Single-sided linear induction motors (SLIMs) is involved with the time harmonics because most LIM is driven by inverter. Therefore the equivalent circuit for an inverter-fed SLIM has t o be modifided to represent every harmonic present in supply voltage. This paper describes that the dynamic characteristic can be used effectively for analyzing the characteristics of a single-sided linear induction motor using vector driver for PI controller.