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북한 김정은 심리분석에 대한 시론적 연구 : 기질특성의 평정을 중심으로
이형종 ( Lee¸ Hyung Jong ) 동국대학교 북한학연구소(구 동국대학교 안보연구소) 2020 북한학연구 Vol.16 No.2
본 연구는 북한 최고지도자 김정은의 성장기 일화를 자료삼아 심리분석을 실시하였다. 분석대상이 누구인지 사전정보가 없는 조건에서 10인의 심리전문가들이 김정은의 행동 특성을 중심으로 기질특성을 평정하였다. 분석결과, 김정은은 자극추구, 위험회피와 사회적 민감성 차원의 조합으로 ‘열정적인-연극성’ 유형으로 나타났다. 관계중심적이고 감정이 풍부하며 악조건 속에서도 완고하게 분투하는 김정은의 심리적 특성에 대해 논의하였다. 공인에 대한 심리분석의 윤리적 문제와 제한적 자료에 근거했다는 제한점을 지니지만, 본 연구는 북한 독재자 심리분석의 방향과 대안을 마련하였다는 의의를 지닌다. This study attempts to analyze the personality of Supreme Leader Kim Jong-un which is considered as a crucial factor for the judgement and assumption in understanding North Korea. Without prior information, ten psychologists each made their assessment on the Supreme Leader’s temperament based on episodes of developmental phase. Psychologists assessed Kim Jong-un’s temperament as ‘H-L-H’ type. This study provides an analysis on personality and characteristics of North Korea’s Supreme Leader grounded on temperament type. Despite limitations on methodological aspects such as a social science and ethical issues, this research gives significance in applying psychological approach to North Korea research for the first time.
Hyungjong Kim,Hyungbo Shim IET 2015 IET CONTROL THEORY AND APPLICATIONS Vol.9 No.9
<P>This study presents an off-the-shelf error feedback controller that can completely rejects the sinusoidal disturbances whose magnitudes, phases, bias, frequencies and even the number of frequencies are all unknown. A closed-form solution is given under the assumptions that the plant has no uncertainty and has hyperbolic zero dynamics (i.e. there is no zero on the imaginary axis of the complex plane), and that the number of unknown frequencies has upper bound which is known. A non-minimum phase plant can be dealt with. The proposed controller is tested by a simulation, which verifies its effectiveness.</P>
Hyungjong Kim,Hyungbo Shim,Nam Hoon Jo Institute of Electrical and Electronics Engineers 2014 IEEE transactions on industrial electronics Vol. No.
<P>In this paper, we revisit an add-on output feedback controller that achieves output regulation and disturbance rejection. By add-on controller, we mean an additional controller, which runs harmonically with a preinstalled controller that has been in operation for the plant. When the disturbance attenuation performance of the preinstalled controller is not satisfactory, the add-on controller can be used to eliminate the disturbance. Some advantages of the proposed add-on controller include that it can be designed without much information about the preinstalled controller and it can be plugged in the feedback loop any time in operation without causing unnecessary transient response. In particular, we propose an adaptive add-on controller, which can eliminate sinusoidal disturbances of unknown frequencies. Both simulation and experimental results of the track-following control for optical disc drive systems confirm the effectiveness of the proposed method.</P>
Hyungjong Kim,Hano Wang,Sungmook Lim,Daesik Hong IEEE 2012 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS Vol.11 No.1
<P>Conventional investigations on the capacity of a secondary link in spectrum sharing environments have assumed that a secondary user knows perfect channel information between the secondary transmitter and primary receiver. However, this channel information may be outdated at the secondary user because of the time-varying properties or feedback latency from the primary user. If the secondary user allocates transmission power using this outdated channel information, the interference power to the primary receiver will not satisfy the predetermined interference constraint. In this paper, we investigate the impact of outdated channel information between secondary and primary users in spectrum sharing environments. We begin by deriving the ergodic capacity of secondary user along with the optimum power allocation under the average received-power constraint. We also provide a closed-form expression for the ergodic capacity without interference from the primary transmitter, and the capacity bounds with interference from the primary transmitter. Moreover, we provide the power margin required to satisfy the interference outage probability at the primary user under the peak received-power constraint. Lastly, we derive the secondary user's ergodic capacity with and without interference from the primary transmitter. Comparisons done using simulations show the effects of the uncertainty of channel information and interference from the primary transmitter under both constraints.</P>