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강진식 圓光大學校 1996 論文集 Vol.31 No.1
합성어의 선후행 요소가 각기 의미의 유연성을 상실하여 단계적인 의미변화를 일으키는 유형으로는 상보관계(봄가을,비바람),근접관계(금부처,온돈),포섭관계(나뭇가지,꿀단지),융합관계(감자바위,밤낮)로 나뉘며 합성어 에서 의미변화만을 고려에 넣는다면 마지막 단계인 융합관계만이 진정한 합성어로 간주될 것이므로 통사적인 기능변화는 고려해서 합성어의 정의를 세워야 될 줄 믿는다.
다변수 LQG/LTR 설계에서 스케일링 행렬에 의한 강인성 여유 계산
강진식 제주대학교 1993 논문집 Vol.37 No.-
. In MIMO design, input and output units are different from each other. By this reason, we must consider the effect of larger units to smaller one, and it was known that the scalling of plant model can solve this problem. But, it was known that the scalling of the plant model can degrade the robust stability margins and that there is no method of proper and optimal scalling. In this paper, robust stability of MIMP LQG/LTR design are analysed when the plnat inputs and outputs are scalled. The upper bound of model error to guarantee the robust stability is obtained, and gain margins and phase margins are computed with respect to the ratio of singular values of scalling matrices.
강진식 濟州大學校 工科大學 産業技術硏究所 1998 尖端技術硏究所論文集 Vol.9 No.2
In this paper, the Lipschitz nonlinear system, obtained by simple coordinate transform and linearization of the nonlinear system at the equilibrium or trajectory, is considered. For these systems. the quadratic stability is defined and is reformulated in the well known linear matrix inequality (LMI) which can be easily treated. Also. the stabilizability and detectability is characterized, and the state feedback and observer design problem is formulated, and transformed into affine convex optimization problem. The controller structure considered in this paper is observer based state feedback control. Some new conditions are derived for the separation principle which have known not to applicable to nonlinear system. By using this property, the controller could be designed by separate design of state feedback controller and observer. But. this design may have poor property of enduring the model uncertainty. To overcome this poorness of robustness, the new controller parameterization is suggested and characterized by three combined LMI's.
Lagrange 동력학식의 DLPD 시스템 모델링 및 제어
강진식 제주대학교 공과대학 첨단기술연구소 2003 尖端技術硏究所論文集 Vol.14 No.2
In this paper, the Lagrange dynamics is studied. A state space representation of Lagrange dynamics and control algorithm based on the state feedback pole placement are presented. The state space model presented is descriptor typr linear parameter dependent system. It is shown that the control algorithms based on the linear system theory can be applicable to the state space representation of Lagrange dynamics. To show that the linear system theory can be applicable to the state space representation of Lagrange dynamics. the LMI based regional pole-placement design algorithm is developed and presented by two examples.
강진식 濟州大學校工科大學産業技術硏究所 1997 尖端技術硏究所論文集 Vol.8 No.1
In this paper. affine parameter dependent system is considered. Pole-sensitivity is defined as a rate of pole movement by parameter variation and controller design methods are suggested which minimizes the pole-sensitivity and closed loop poles are located in desired location. For state feedback case, conditions which minimizes pole-sensitivity are derived and proved. methods of computing the additional state feedback gain which minimizes the pole-sensitivity are presented. Conditions of minimizing pole-sensitivity and methods of additional gain computation for constant output feedback, and observer based output feedback are summerized. We show the appropriateness of suggested method by simple example.
비최소위상 플랜트를 위한 LQG/LTR설계에서 최적 근사화의 가중치 선정 방법
강진식 제주대학교 1993 논문집 Vol.37 No.-
. In this paper, a method of the selection of weighting function was suggested to reduce the approximaton error based on the optimal approximation method suggested by Suh and Kang. The loop transfer recovery error and sensitivity recovery error are computed for the function of the weighting function. and it was proved the appropriateness of the selection of the weighting function, suggested, by a simulation example.
강진식 濟州大學校 産業技術硏究所 1997 산업기술연구소논문집 Vol.8 No.1
In this paper. affine parameter dependent system is considered. Pole- sensitivity is defined as a rate of pole movement by parameter variation and controller design methods are suggested which minimizes the pole- sensitivity and closed loop poles are located in desired location. For state feedback case, conditions which minimizes pole-sensitivity are derived and proved, methods of computing the additional state feedback gain which minimizes the pole-sensitivity are presented. Conditions of minimizing pole-sensitivity and methods of additional gain computation for constant output feedback, and observer based output feedback are summerized. We show the appropriateness of suggested method by simple example.
강진식 圓光大學校 文理科大學 國語國文學科 1987 國語 國文學 硏究 Vol.12 No.-
‘-하-’가 많은 한자어 선행요소와 어울려 동사류를 파생시키는 생산적인 조어의 기능을 하는데 이 때 의미는 한자어인 선행요소가 나타내지마는 서술성이라는 동사의 기능은 선행요소에 ‘-하-’가 부착된 동사어간이 담당하는 것으로 본다. ‘-하-’의 선행요소가 실체성 [ +substantial]이든 비실체성 [-substantial] 이든 ‘-하-’와 복합태를 이루는 ‘담배하다’, ‘행복하다’, ‘착하다’, ‘선하다.’ 등의 선행요소 ‘담배,행복, 착-, 선-’ 등이 의미 내용은 담당하지마는 서술성이라는 문법기능은 ‘담배하-, 행복하-, 착하-, 선하-, 등이 담당한다. 여타의 비실체성의 동작성과 과정성 선행요소는 그 자체에 의미상 동작성(+action)을 지니는 것이어서 비실체성에 포함하여 논의 할 수 있다.