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안병원(B.W.Ahn),배철오(C.O.Bae),김현수(H.S.Kim),박영산(Y.S.Park),남택근(T.K.Nam) 한국마린엔지니어링학회 2003 한국마린엔지니어링학회 학술대회 논문집 Vol.2003 No.-
Though a legged robot has high terrain adaptability as compared with a wheeled vehicle, its moving speed is considerably low in general. For attaining a high moving speed with a legged robot, a dynamically stable walking, such as running for a biped robot and a trot gait or a bound gait for a quadruped robot. is a promising solution. However, energy efficiency of a dynamically stable walking is generally lower than the efficiency of a stable gait such as a crawl gait. In this paper, energy consumption of two walking patterns for a trot gait is simulated though modeling a quadruped walking vehicle named TITAN-Ⅷ.
[학술강연] 자바를 이용한 전동기 인터넷 원격제어 시스템에 관한 연구
엄한성(H.S.Eom),김현수(H.S.Kim),안병원(B.W.Ahn),박영산(Y.S.Park),배철오(C.O.Bae) 한국마린엔지니어링학회 2002 한국마린엔지니어링학회 학술대회 논문집 Vol.2002 No.-
Recently, the development of internet remote control system has been studied lively along with fast growth of internet. In this paper, we proposed the .internet-based remote control and monitoring system using java platform for induction motor speed control. The apache web server that is now used worldwide was constructed for monitoring and controlling of an induction motor in administrator's web browser. We solved the limitation on security which is the biggest problem of internet control system due to strong security setting in web server. The change of induction motor's state linked to the server can be delivered to web browser used servlet and applet together in real time. Because of using java database connectivity, the various information of machine is stored with database and can be used easily in web browser. As a result of experiment which is used in the proposed remote internet control system, several time-delay occurred in internet. However, correct control result could be achieved without an error. RPM, current, frequency and control information of an induction motor could be monitored in almost real time.
안병원,배철오 木浦海洋大學校 1997 論文集 Vol.5 No.2
In MHD power generation system, enthalpy of the working gas is converted to electric power directly through expansion in generator channel. It means that electric power can be generated without a moving mechanical linkage such as turbine blades. The principle of MHD generation is based on Faraday' law of induction that eletromotive force(u×B) is generated when the working gas of velocity u flows a channel in which magnetic field of strength(B) exists. In this paper, helium gas seeded with cesium is used as working gas. There are two types of generator in MHD generation; linear type faraday and disk type hall generator. Rogowski coils having the bandwidth of the 100[㎐]∼20[㎑] were used for measuring current flowing MHD disk channel. Optimum load resistor value of the MHD generator studied was 2.5[Ω]. Disk type hall generator's generation performance is the main target of this paper, which superiors to linear type Faraday generator in many points. Isentropic efficiency and enthalpy extraction rate of disk type shock tube driven hall generator is discussed here.
안병원,배철오,박영산,박중순,김수겸,김현수 木浦海洋大學校 2001 論文集 Vol.9 No.1
To achieve good welding results in various welding application, seam tracking technology is essential. In this thesis, seam tracking algorithm using cartesian coordinate welding robots are investigated and discussed. Many types of seam tracking methods are used in industrial field usually. Especially, vision system using CCD camera and laser diode are used to track the seam. A structured laser diode's light is introduced on the weld groove and the reflected light image is captured by CCD camera. The captured image is transformed into 8 bit pixel data. The seam tracking algorithm is developed by processing the 8 bit pixel data.
안병원,김현수,박영산,박중순,노영오,배철오 木浦海洋大學校 2001 論文集 Vol.9 No.1
There are many different cards and keys that are used. But the functions or companies are different, so there are many inconvenience to carry and use. Nowadays, It is need to unite of many card functions in one card. Many companies are using card key for access offices instead of key and office going system. So, In this paper, We developed hardware and software that could do many function as one card. We trying to unite the functions of key and card into one card. In this system, it is used by individual credit card. We have no doubt the usefulness of this system for building and offices security system and office going system, etc.