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강덕수 ( Duck Soo Kang ),김지선 ( Jee Sun Kim ),홍준희 ( Jun Hee Hong ) 한국외국어대학교 언어연구소 2007 언어와 언어학 Vol.0 No.39
Duck-soo Kang.Jee-sun Kim.Jun-hee Hong. 2007. A Study of Obstruents in Yakut through Analysis of Borrowed Words from Russian. Language and Linguistics 39, 1-16. One of the most important constraints in Yakut is connected with syllabic structure. Its syllabic structure is based on CV. So the constraint of "NoGeminates" is strictly applied. And the harmony between features is also considered important. Yakut has the strict constraint on the phonotactical relations. In Yakut a feature [constricted glottis] works more vigorously than [voiced]. This feature is combined with a feature [+back] or [+lab], making new constraints on the initial place: *#[+back, -CG], *# [+lab,+CG]. Finally, consonantal assimilation in obstruents of Yakut is dominated by 2 lows of constraints. VowelHarmony >> Ident-CV[pl] >> NCP >> *[+palatal]# >> Ident-IO; *#[+back, -cont][+back,-high] >> *#[+back,-CG], *# [+lab,+CG] >> [+cont] >> NoGem >> Ident-IO >> *[+voiced]#
전태원,정청희,이강헌 師範大學 體育硏究所 1994 서울大學校 體育硏究所論集 Vol.15 No.2
The purpose of this study was to investigate the effect of the MC² learning systems on cognitive ability. Twenty male university students were sellected as subjects and were randomly assigned to both a control (10) and an experimental group (10). Subjects were then pre-tested for simple, and choice reaction time, movement time, short-term memory, probeability and concentration. The practice were for 30 minutes each, 3 days a week for 4 weeks. The finding of this study were as the follows. ① MC² learning system did not increase simple & choice reaction time. ② MC² learning system partly improved of movement time. ③ MC² learning system partly increased short-term memory. ④ MC² learning system did not increased probeability. ⑤ MC² learning system increased the concentration ablility. These test were done with limited subjects over very short experimental period and only a few programs were selected from among the whole MC² learning system. Therefore, more research will be required in well controlled laboratory & field situations to determine the long term effect of MC² learning system.
로보트 매니플레이터의 KIC-Based 동력학적 모델링의 개선 방안 연구
강희준 울산대학교 1993 공학연구논문집 Vol.24 No.2
본 논문은 기존의 KICs(Kinematic Influence Coefficients)에 근거한 로보트 매니퓰레이터의 동력학적 모델링 방법과 그 적용의 장점을 소개하고, 이 방법의 단점인 계산의 비효율성을 극복하기 위한 개선 방안을 제시한다. 제시된 방법은 Generalized Augmented Body 개념을 기초로 하고, 기존의 방법에 비교하여 동력학적 모델을 구하는데 필요한 계산의 갯수(Computational Counts)의 44% 감소를 이루었다. In this paper, the current KIC(Kinematic Influence Coefficients) based dynamic modeling algorithm of robot manipulators is modified to overcome its computational inefficiency. The modification is made by the introduction of the generalized body concept. This modified algorithm allows a 44% computational saving over the current optimized method.
강성준,황희용 江原大學校 産業技術硏究所 2007 産業技術硏究 Vol.27 No.B
In this paper, a BPF with a dual mode folded ring resonator is presented. The dual mode ring resonator is also exactly analyzed by using Y-parameter method, in which the difference in admittance of two lines make the ring resonator work as a dual mode resonator. The proposed 'BPF has an advantage of small size compared to conventional one with dual mode ring resonator.
능동자기베어링 시스템의 제어기 설계 및 불균형 진동 분석
강종규,신우철,홍준희 한국공작기계학회 2004 한국공작기계학회 추계학술대회논문집 Vol.2004 No.-
Active magnetic bearings (AMB's) have become practical in many industrial fields and numbers of studies for magnetic bearing systems have been reported. However, AMB systems are open-loop unstable and thus require feedback control for robust stabilization and performance. In this paper, first, a rotation of the rotor around the inertial axis is considered and a rigorous modeling of a magnetic bearing system in which the rotation of the rotor is on its axis of inertia is developed. Next, to stabilize the AMB system a PID controller is used and experimentally analyze its rotational response.
강희준 울산대학교 1997 공학연구논문집 Vol.28 No.2
산업용 로봇의 물리적 구조(Physical Structure)가 고정됨에 따라 로봇의 기능이 제약되는 것을 극복하기 위하여, 로봇의 구성 요소들을 모듈화하고 특정한 작업 요구가 발생함에 따라 그 모듈화된 요소들을 결합하여 최적 기구학적/동력학적 구조의 로봇(Reconfigurable Modular Robot)을 완성하고자 하는 모듈러 로봇의 개념은 여러 연구자에 의해서 소개된 바 있다. 본 논문에서는, 모듈러 로봇의 개념을 구체화하는데 반드시 필요한 작업인 모듈의 선정과 모듈 파라미터 정의 그리고 정의된 모듈로 구성된 모듈러 로봇의 기구학적/동력학적 해석 방안을 연구하고, 이에 근거한 모듈러 로봇 해석 소프트웨어를 개발하였다. In order to overcome the conventional robot's physical limitation to frequent changes in operational requirements, it is quite appealing to modularize its system components and allow them to be combined into various configurations to best suit the needs of a particular application. The concept of modular robot has been presented by several researchers. In this paper, the kinematics and dynamics of modular robot are studied, which concretes the concept of modular robot. This study includes the selection of individual module, the definition of their parameters and the development of module based kinematic/dynamic analysis software.
대전시 3 대 하천의 수질 및 식물플랑크톤상에 관한 연구
강창민,이상명,엄준식,이정희,이호원,홍춘표 한국환경과학회 2000 한국환경과학회지 Vol.9 No.4
The studies on physico-chemical factors and phytoplankton at the 3 rivers in the Taejon city were conducted from November 1997 to May 1998. The Results were as follows; In the water quality, the down streams were generally worse than the upper streams. Water temperature was varied from 2.4℃ to 23.0℃; DO from 1.80㎎/ℓ to 17.6㎎/ℓ ; pH from 4.7 to 10.4 ; BOD from 0.78㎎/ℓ to 8.80㎎/ℓ; COD from 0.32㎎/ℓ to 8.26㎎/ℓ ; SS from 2.0㎎/ℓ to 43.0㎎/ℓ ; total phosphate was from 0.001㎎/ℓ to 0.709㎎/ℓ ; total nitrogen 0.01㎎/ℓto 11.69㎎/ℓ . In phytoplankton species, they were identified as total 191 taxa composed of 8 classes, 18 orders, 35 families, 74 genera, 152 species, 35 varieties and 4 forms. The dominant species were Synedra ulna in Taejon-chon, Diatoma vulgare in Yudong-chon, Oscillatoria princeps, Scenedesmus gadricauda, Synedra ulna, and Diatom vulgare in Gap-chon. Standing crops of phytoplankton were from 2,076 cells/㎖ to 97,356 cells/㎖.