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小峯茂嗣(Komine Shigetsugu) 동북아시아문화학회 2016 동북아시아문화학회 국제학술대회 발표자료집 Vol.2016 No.10
Since the cease-fire of Korean War in 1953, even now, civilians of South-Korea have been victimized by landmine accidents. However, their existence had been hidden under the modern history. In 1997, International Campaign to ban Landmines (ICBL) was awarded Novel Peace Prize. Since then, South-Korean civil societies have started action to reveal this problem. Their continuous effort finally realized the special law to compensate landmine victims. North-South division is under the strong influences of “Super Powers” like USA, China and Russia. So, the landmine victimizations are not only the tragedy of individuals but also they are the victims of the North-East Asian international power politics.
Zhao, Chao Fang,Komine, H.,Akiyama, M.,Sugimori, Y.,Matsuura, N. 대한원격탐사학회 1996 International Symposium on Remote Sensing Vol.12 No.1
The WAM (WAve Modeling) model, as one of the best wave models used in the world, has been used for wave data assimilation, SAR data verification and wave forecasting on global and regional scales. In this study, an experiment of the wave model comparison is carried out around Japan Island by using WAM wave model and Japan Meteorological Agency wave model (JWA3G). Both of these two model results are compared with the Ocean Buoy Station around Japan, which are operated by Japan Meteorological Agency. Compared with WAM model, wind input and dissipation have been modified in JWA3G model. Wind input data used in both wave model are the interpolated result with 0.5x0.5 degree grid by using ECMWF wind data with spatial resolution of 2.5x2.5 degree. The main results can be summaried as follows, (I). Compared with buoy data, the predicted wave height from both models are delayed several hours in typhoon period. This result is consistent with wind data difference between buoy data and the predicted wind data by ECMWF. (2). The predicted wave height by both models give a consistent result around typhoon period. (3). In low sea state, the result from WAM model gives a much better result than that from JWA3G model by comparing with buoy data.
Coupling Phenomenon Observed with NIRS in Bimanual Operation
Yaodong Pan,Dewen Hu,Katsuhisa Furuta,Takayoshi Komine 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2007 International Journal of Assistive Robotics and Me Vol.8 No.1
In this paper, the activation of left and right motor cortex areas during bimanual and unimanual operations is investigated by using a near-infrared spectroscopy (NIRS), EGT-4000 Optical Topography System made by Hitachi Medical Corporation, Japan. It is found that only left or right side of the motor cortex area is active when a subject"s contralateral hand (or fingers of contralateral hand or contralateral arm) is moving in a slow or normal speed (i.e. a speed which is slower than or the same to the finger/hand/ arm moving speed in his/her dairy life), which coincides with previous research results found in literature. The most important discovery in this investigation is that the other side of the motor cortex area, i.e. the ipsilateral motor cortex area which is inactive for the low speed movement in unimanual operations becomes active when the movement is accelerated to a certain speed, which is much higher than finger/hand/arm moving speed in his/her dairy life and less than the speed limitation of his/her operation. This result reveals that the coupling between left and right motor cortex areas is the reason why the bimanual operation (two hands movement) effects with each other. For each subject participated in this research, a higher moving speed in bimanual operation results in more active in both sides of the motor cortex area. And the threshold speed with which the motor cortex area becomes much more active depends on the operation skill of the subject. More skilled the operator is, higher the threshold speed is.
Hybrid Controller for Swinging up and Stabilizing the Inverted Pendulum on Cart
Ekachai Asa,Taworn Benjanarasuth,Jongkol Ngamwiwit,Noriyuki Komine 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
In this paper, a hybrid controller for swinging up and stabilizing an inverted pendulum on cart is presented. The energy control concept is employed to swing the inverted pendulum up to around the upright position within the assigned switching condition. After that, the stabilizing controller is then switched to stabilize the inverted pendulum at the upright position. The stabilizing controller is a linear servo state feedback controller designed by Coefficient Diagram Method. The simulation results show that the designed hybrid controller can be mutually operated with acceptable efficiency.