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金允溟,朴圭喆,崔鍾云,朴宰煥 단국대학교 1992 論文集 Vol.26 No.-
In the RF gas discharge system the load varies frequently by the operational environment. And it is often necessary to change the matching network to provide the maximum possible power transfer from the oscillator to the RF load. An Rf oscillator whose variable operating frequency is between 20 and 30 MHz and whose output RF power is about 200 watts was designed to solve this problem. The conversion efficiency from the DC power was about 80% It is found that the output oscillating frequency which gives minimum RF reflections from the loads follows automatically to the changes of the load or of the operating conditions. It is also found that the output frequency decreases with the larger load shunt capacitance.
김명석,최상돈,조상규,김정호,전헌무,김호일 慶北大學校 師範大學 科學敎育硏究所 1998 科學敎育硏究誌 Vol.22 No.-
We review the contextuality of measured values in quantum mechanics from point of view of a conventional interpretation of quantum mechanics. We will, in particular, concentrate on Bell-KS theorem which, seemingly, disproved the existence of a hidden-variable interpretation of quantum mechanics. We introduce ways to accommodate the contextuality so that Bell-Ks theorem no longer holds and therefore the existence of a hidden-variable interpretation becomes possible.
3-Joint Planar Type 로봇 매니퓰레이터의 자기동조적응제어에 관한 연구
김규로,양희주,유용석,최명진,오택열 慶熙大學校 大學院 院友會 1996 高凰論集 Vol.17 No.-
This study has parallelogram trajectory tracking of Three Joint Planar type Robot Manipulator. The equation of motion for the three joint planar manipulator are obtained by substituting Lagrange's energy expression into Euler-Lagrange's equation and forming the appropriate derivative. Lagrangian method allows us to obtain the dynamics equations for very complicated systems in the simplest manner possible. SISO model is used for design of the controller. The design of controllers may be considered primary controller for manipulators to track the desired trajectory under ideal conditions and secondary controller to compensates for undesirable deviations of the motion from the trajectory caused by external and internal disturbances. The aim of this paper is to evaluate the efficiency by self-tunning adaptive control and considering a characteristic of control. Through the computer simulation, obtained the following results 1) selt-tunning adaptive control is superior to PD control, 2) During the learning period, the adaptive control algorithm is searching proper estimates and controller gains. After this period, the outputs of the joints start tracking closely the desired valued.
강신몽,이원태,고영창,최상규,김윤희,이홍석,서재관,윤중진,이혜경,최득린,김종열,윤창육,변명식,이장홍 大韓法醫學會 1991 대한법의학회지 Vol.15 No.2
Individual identification is an important part in medicolegal field especially in mass disaster. At July, 27, 1989, KAL KE-803 was crashed on landing at Tripoli International Airport, Liba. The plane was caught in fire and sixty eight Koreans were sacrified. The majority of victims were severely charred and injured. The authors examed all dead bodies and successfully identified all the cases through visual, anthropological, odontological, radiological and pathological methods including fingerprint and blood typing.
Choi, Hyung-Gyu,Choi, Hyun-Su,Choi, Young-Seok,Jung, Myung-Ok,Choi, Jung-Seok,Choi, Yang-Il Korean Society for Food Science of Animal Resource 2016 한국축산식품학회지 Vol.36 No.1
This study was conducted to investigate the effects of mixed bone and brisket meat on the quality characteristics and nutritional components of shank bone extract and rib extract from Hanwoo. The pH values were influenced by the raw bones, mixed bone, brisket meat and their interactions (p<0.05). The salinity, sugar content, turbidity, and essential amino acid values increased significantly with addition of mixed bone and brisket meat. All attributes of sensory evaluation score were the highest in T6 (Rib 500 g + Mixed bone 500 g + Brisket meat 400 g) (p<0.05). The mixed bone significantly increased the saturated fatty acids of shank bone extract (p<0.001). Thus, the addition of mixed bone and brisket meat had a positive effect on the quality and nutritional components in shank and rib extracts of Hanwoo cattle.
Hyung Gyu Choi,Hyun Su Choi,Young Seok Choi,Myung Ok Jung,Jung Seok Choi,Yang Il Choi 한국축산식품학회 2016 한국축산식품학회지 Vol.36 No.1
This study was conducted to investigate the effects of mixed bone and brisket meat on the quality characteristics and nutritional components of shank bone extract and rib extract from Hanwoo. The pH values were influenced by the raw bones, mixed bone, brisket meatand their interactions (p<0.05). The salinity, sugar content, turbidity, and essential amino acid values increased significantly with addition of mixed bone and brisket meat. All attributes of sensory evaluation score were the highest in T6 (Rib 500 g + Mixed bone 500 g +Brisket meat 400 g) (p<0.05). The mixed bone significantly increased the saturated fatty acids of shank bone extract (p<0.001). Thus,the addition of mixed bone and brisket meat had a positive effect on the quality and nutritional components in shank and rib extracts ofHanwoo cattle.