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임성운,구본호,권우현 경북대학교 전자기술연구소 1993 電子技術硏究誌 Vol.14 No.2
In this paper, using the quantum transformation and forward difference method, the solution of steady state and output ripple voltage are obtained. We can found optimum quantum sequence(OQS) to minimize the output ripple voltage of the quantum series resonant converter(QSRC). This sequence control is so general that it is irrelevant to the voltage gain so far as it is operating in the continuous conduction mode(CCM). A method to closed loop output voltage control of QSRC using sliding mode control theory is proposed. By proposed control method, it is shown that output voltage of QSRC is controlled and output ripple voltage is minimized. This feature is verified by computer simulation.
尹錫榮,尹暻燮,任成雲 慶一大學校 1996 論文集 Vol.13 No.2
The stabilization/tracking systems is a precision electro-mechanical gimbal assembly design to isolated the load from its environment and point the payload toward the moving target. This paper describe the design procudure and evaluation of precision servos to be used in a moving target tracking and line of sight stabilization. The conventional frequency compensator design approach is to develop a stabilization system to minimize inertial line of sight jitter and the design a tracking system to control the direction. Simulations and frequency characteristics measurement results show that the tuned controller parameters satisfy robustness and stability margin prescribed performance specifications.
임성운 순천대학교 남도문화연구소 2009 南道文化硏究 Vol.16 No.-
This study has the purpose of finding the relation of Lee Chung-Jun's Literature and Nam-do Literature. This relation has to consider on the context of Korean Literature History. But Korean Literature History often exclude the Region Literature work and author. This tendency was intended by Modern Ideology. The text of this study is [Snow road(눈길)], [An Introduction of sociolinguistics (언어사회학서설)], [Man of the Namdo(남도사람)], and [Nagative and positive pictures under the scissors(가위밑 그림의 음화와 양화)]. I study on the relation of Nam-do oral literature and Lee Chung-Jun's Literature. Lee Chung-Jun's novel represent his hometown emotion and rhythm. Also his literature was influenced from Namdo ‘Pansori’, folk song, traditional culture. That was from his mother and home. Lee Chung-Jun's novel remind problem of modernity, lost home, and hometown word. Therefore Lee Chung-Jun's Literature came out from land form of Nam-do modern literature.
具本鎬,任成雲 慶一大學校 1992 論文集 Vol.8 No.1
This paper presents a method to control the output voltage of QSRC using sliding mode control theory. State equation is derived for the system that introduced control theory is applied to equivalent circuit of QSRC. The parameter of control rule selected in order to minimize the effect of load variation. By proposed control method, it was shown that output voltage of QSRC was controlled continuously. Robustness of proposed controller was pointed out via computer simulation and experiment.
임성운,권우현,조규형 대한전자공학회 1994 전자공학회논문지-B Vol.b31 No.3
In this paper, we could find optimum quantum sequence(OQS) to minimize the output ripple voltage of the quantum series resonant converter(QSRC). This sequence control is so general that it is irrelevant to the voltage gain so far as it is operating in the continuous conduction mode(CCM). Further more the dynamic range of QSRC is much extended by the optimum quantum sequence control(OQSC). Througuout the time-domain analysis, the solution of steady state and the boundary condition between continuous and discontinuous mode is QSRC is obtained. This feature is verified by simulations and experiments with good agreements.