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대규모 시스템을 위한 LMI기반 비집중화 슬라이딩 모드정적 출력 궤환 제어기 설계
최한호 제어·로봇·시스템학회 2008 제어·로봇·시스템학회 논문지 Vol.14 No.4
In this paper, we consider the problem of designing decentralized sliding mode static output feedback control laws for a class of large scale systems with mismatched uncertainties. We derive a sufficient condition for the existence of a linear switching surface in terms of constrained linear matrix inequalities(LMIs), and we parameterize the linear switching surfaces in terms of the solution matrices to the given constrained LMI existence conditions. We also give an LMI-based algorithm for designing decentralized switching feedback control laws. Finally, we give a design example in order to show the effectiveness of our method.
비정합 불확실성을 갖는 선형 시스템을 위한 LMI 기반 슬라이딩 평면 설계법
최한호 대한전기학회 2006 전기학회논문지 D Vol.55 No.9(D)
- In this paper, we propose a new sliding surface design method for a class of uncertain systems with mismatched unstructured uncertainties. The uncertain system under consideration may have mismatched parameter uncertainties in the state matrix as well as in the input matrix. In terms of linear matrix inequalities (LMIs), we give a sufficient condition for the existence of linear sliding surfaces guaranteeing the asymptotic stability of the sliding mode dynamics. And, we give an LMI parameterization of such linear sliding surfaces together with switched feedback control laws. Our LMI condition can be less conservative than the existing conditions and our result supplement the existing results. Finally, we give a numerical example showing that our method can be better than the previous results.
A 10-Gb/s programmable and flexible transceiver with a FPGA
최한호,전윤호,배현민 한국과학기술원 반도체설계교육센터 2017 IDEC Journal of Integrated Circuits and Systems Vol.3 No.2
Digital design automation software tools have been very successful in achieving performance gains over the past 50 years as system IC density continues to increase. As the design of these mixed signal systems increases, the simulation time for verifying new algorithms becomes a significant part of overall system development time. However, it cannot be accurately verified using existing verification tools. In this thesis, we propose a programmable and flexible 10Gb/s transceiver that is a structure in which all the analog blocks that can be reused are implemented in the IC and the digital blocks that have always been a problem due to the difficulty of verification are implemented in the FPGA as a verification tool of mixed signal systems.