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박주식,박상진,정호균,박형준 한국경영과학회 2015 한국경영과학회 학술대회논문집 Vol.2015 No.4
In this paper, we present the development of a fuzzy system for constant speed control of sensorless BLDC motors which can be used in small-sized electric fans. The system consists of several components including MCU (Micro Controller Unit), AD converter, SMPS (Switched-Mode Power Supply), inverter, and communication port. In this work, we use a three-phase six-step inverter. We adopted a fuzzy logic approach for constant speed control of the fan motors, and employed the closed loop control using the feedback of the back EMF (electromotive force) which is calculated by measuring the current and using PWM signals in the fan motors. We have implemented the fuzzy system, and expect to conduct experiments to verify its performance and quality.
Aesthetics, Politics, and Ideology in Paul de Man
박주식 영미문학연구회 2012 영미문학연구 Vol.22 No.-
Although it may not be considered too far-fetched to mention the demise of deconstruction as a critical movement, it seems to be rash to dismiss the works of its major practitioners as a simple embodiment of by-gone ideas. Perhaps this is most true in the case of de Man. If we can say that de Man still remains a strong figure in the American academy,perhaps it is not only because the figure of de Man left such an indelible mark on the academic scene, but also because his works ceaselessly lead us to the interactions of such key critical concepts as language, aesthetics,politics, ideology, history, culture, and so on. It is well-known that the alleged political quietism of de Man’s postwar writings was the main target of criticism from his opponents. That is, the antagonism to de Man and his writings was usually grounded on political,ethical, or moral claims. His mode of reading strategy was said to promote textuality at the expense of the “real” world and its political imperatives and to foreground language and rhetoric to the exclusion of material reality upon which the political unfolds. Indeed, the status of politics has been the center of critical target that his opponents aim at. Furthermore, the revelation of his wartime writings added fuel to the already controversial issue of Paul de Man and the question of politics. Yet such an impression should not be translated into the conclusion that de Man ignored and dismissed the field of the political as simply insignificant or meaningless. In fact, it is not hard to find the question of politics seriously discussed in de Man’s major works. Indeed, the question of politics and its cognate category ideology was one of the growing concerns in de Man’s whole writings. By examining lots of essays that deal with the political, this paper intends to do a full-length investigation on the much contended topic, the status of aesthetic, politics and ideology in Paul de Man, in terms of their matching categories poetry, language, and rhetoric, specifically focussing on the idea of “aesthetic ideology” that he coined in his later years. And this paper concludes that one should not expect from him any commonsensical theories of politics and ideology; rather, one should be reminded that he severely criticized and deconstructed any versions of conventional political ideas.
실시간생산정보시스템을 위한 지그비와 임베디드시스템에 관한 연구
박주식,정영득,신현재 대한안전경영과학회 2012 대한안전경영과학회 학술대회논문집 Vol.2012 No.04
In this study, which is the basis for industrial presses to target small and medium enterprises with production information system is designed. Production information in real time on-site digitizing and transmitting data to a standard PC is to base operations. Personnel management, safety management, production management is to increase the efficiency. Therefore, at low cost is to encourage computerization within the company. These embedded systems and wireless communication module has a database management program installed in order to raise productivity and competitiveness will improve.
배합설계법에 의한 인조석 품질 개선 연구 (D업체의 생산 현장을 중심으로)
박주식,김길동,강경식 대한안전경영과학회 2000 대한안전경영과학회지 Vol.2 No.3
This study aim is analysis device development for design of experiment with calcium chloride relation used a hardener to search cause of product crack, product reliability improvement building data-base program for computer system of mixture rate, product improvement, and new product development.