• 제목/요약/키워드: Operational matrices

검색결과 34건 처리시간 0.019초

Lagrange 이차 보간 다항식을 이용한 새로운 일반형 블럭 펄스 적분 연산 행렬 (A New Block Pulse Operational Matrices Improved by The Second Order Lagrange Interpolation Polynomial)

  • 심재선;김태훈
    • 대한전기학회논문지:시스템및제어부문D
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    • 제52권6호
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    • pp.351-358
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    • 2003
  • This paper presents a new method for finding the Block Pulse series coefficients, deriving the Block Pulse integration operational matrices and generalizing the integration operational matrices which are necessary for the control fields using the Block Pulse functions. In order to apply the Block Pulse function technique to the problems of state estimation or parameter identification more efficiently, it is necessary to find the more exact value of the Block Pulse series coefficients and integral operational matrices. This paper presents the method for improving the accuracy of the Block Pulse series coefficients and derives the related integration operational matrices and generalized integration operational matrix by using the Lagrange second order interpolation polynomial.

보간 다항식을 이용한 일반형 블록펄스 적분연산행렬 (A Block Pulse Operational Matrices by Interpolation Polynomial)

  • 이해기;김태훈
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2004년도 학술대회 논문집 전문대학교육위원
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    • pp.45-48
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    • 2004
  • This paper presents a new method for finding the Block Pulse series coefficients, deriving the Block Pulse integration operational matrices and generalizing the integration operational matrices which are necessary for the control fields using the Block Pulse functions. In order to apply the Block Pulse function technique to the problems of state estimation or parameter identification more efficiently. it is necessary to find the more exact value of the Block Pulse series coefficients and integral operational matrices.

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새로운 일반형 블럭 펄스 적분 연산 행렬을 이용한 선형 시불변 시스템 해석 (Analysis of Linear Time-invariant System by Using a New Block Pulse Operational Matrices)

  • 이해기;김태훈
    • 전기학회논문지P
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    • 제53권4호
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    • pp.175-182
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    • 2004
  • This paper presents a new method for finding the Block Pulse series coefficients, deriving the Block Pulse integration operational matrices and generalizing the integration operational matrices which are necessary for the control fields using the Block Pulse functions. In order to apply the Block Pulse function technique to the problems of state estimation or parameter identification more efficiently, it is necessary to find the more exact value of the Block Pulse series coefficients and integral operational matrices. This paper presents the method for improving the accuracy of the Block Pulse series coefficients and derives generalized integration operational matrix and applied the matrix to the analysis of linear time-invariant system.

개선된 블럭 펄스 계수 추정 기법을 이용한 적분 연산 행렬 유도 (A Derivation of Operational Matrices via Improved Block Pulse Coefficients Estimation Method)

  • 김태훈;심재선;이해기
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2003년도 하계학술대회 논문집 D
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    • pp.2277-2279
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    • 2003
  • This paper presents a new method for finding the Block Pulse series coefficients and deriving the Block Pulse integration operational matrices which are necessary for the control fields using the Block Pulse functions. This paper presents the method for improving the accuracy of the Block Pulse series coefficients and derives the related integration operational matrices by using the Lagrange second order interpolation polynomial and expands that matrix to general form.

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Lagrange 이차 보간 다앙식을 이용한 개선된 적분 연산 행렬에 관한 연구 (Study on The Integration Operational Metrices Improved by The Lagrange Second Order Interpolation Polynomial)

  • 김태훈;이해기;정제욱
    • 대한전기학회논문지:시스템및제어부문D
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    • 제51권7호
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    • pp.286-293
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    • 2002
  • This paper presents a new method for finding the Block Pulse series coefficients and deriving the Block Pulse integration operational matrices which are necessary for the control fields using the Block Pulse functions. In order to apply the Block Pulse function technique to the problems of continuous-time dynamic systems more efficiently, it is necessary to find the more exact value of the Block Pulse series coefficients and drives the related integration operational matrices by using the Lagrange second order interpolation polynomial.

직교 함수 적분 연산 행렬을 이용한 분포정수계의 시변 파라미터 추정 (Identification of Time-varying Parameters of Bilinear Systems via Extended Block Pulse Operational Matrices)

  • 안두수;김태훈;한상욱;이재춘
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1999년도 하계학술대회 논문집 B
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    • pp.829-831
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    • 1999
  • This paper considers the problem of identifying the time-varying parameters of Bilinear systems. The Parameters, in this paper, are identified by using the EBPOMs (Extended Block Pulse Operational Matrices) which can reduce the burden of operation and the volume of error caused by matrices multiplication

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확장된 블록펄스 연산 행렬을 이용한 쌍일차계의 시변 파라미터 추정 (Identification of Time-varying Parameters of Bilinear Systems via Extended Block Pulse Operational Matrices)

  • 안두수;김태훈;인돈기;이승
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1999년도 하계학술대회 논문집 B
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    • pp.826-828
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    • 1999
  • This paper considers the problem of identifying the time-varying parameters of Bilinear systems. The Parameters, in this paper, are identified by using the EBPOMs (Extended Block Pulse Operational Matrices) which can reduce the burden of operation and the volume of error caused by matrices multiplication

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확장된 블록 펄스 연산 행렬을 이용한 쌍일차계의 시변 파라미터 추정 (Identification of Time-varying Parameters of Bilinear Systems via Extended Block Pulse Operational Matrices)

  • 김태훈;김진태;이승;이명규;안두수
    • 대한전기학회논문지:시스템및제어부문D
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    • 제50권8호
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    • pp.384-391
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    • 2001
  • This paper considers the problem of identifying the time-varying parameters of Bilinear systems. The Parameters, in this paper, are identified by using the EBPOMs(Extended Block Pulse Operational Matrices) which can reduce the burden of operation and the volume of error caused by matrices multiplication.

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확장된 블록 펄스 연산 행렬을 이용한 분포정수계의 시불변 파라미터 추정 (Identification of Time-invariant Parameters of Distributed Systems via Extended Block Pulse Operational Matrices)

  • 김태훈;이승;김종부
    • 조명전기설비학회논문지
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    • 제15권6호
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    • pp.82-88
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    • 2001
  • 대부분의 시스템은 그 구조가 시간과 공간에 널리 분포되어 있기 때문에 집중정수 모델로 표현하여 시스템의 동적 특성을 해석하고 제어하기에는 여러 가지 문제점들이 있다. 시스템의 상태는 시간과 공간의 영향을 받는 상태변수가 되므로 그 동적 특성은 편미분 방정식으로 표현되어 분포정수계로 모델링하게 된다. 본 연구에서는 직교 함수의 특성을 이용하여 선형 편미분 방정식으로 표현되는 분포정수계의 두 변수에 대하여 연속적으로 적분을 취하여 적분 방정식으로 변환하고, 확장된 블록 펄스 연산 행렬[3]을 도입하여 적분 방정식을 간단한 대수 방정식으로 변환하는 방법을 제시하였으며, 최소자승오차법을 이용하여 분포정수계의 파라미터들을 추정하는 알고리즘을 제안하였다. 또한 시뮬레이션을 통하여 기존의 방법을 사용하는 것보다 본 연구에서 제안하는 방법을 사용하는 것이 오차가 적음을 보였다.

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A MATRIX FORMULATION OF THE MIXED TYPE LINEAR VOLTERRA-FREDHOLM INTEGRAL EQUATIONS

  • Fazeli, S.;Shahmorad, S.
    • Journal of applied mathematics & informatics
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    • 제29권5_6호
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    • pp.1409-1420
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    • 2011
  • In this paper we present an operational method for solving linear Volterra-Fredholm integral equations (VFIE). The method is con- structed based on three matrices with simple structures which lead to a simple and high accurate algorithm. We also present an error estimation and demonstrate accuracy of the method by numerical examples.