Study on multiobjective control and observer

DoctorThis dissertation addresses the design methodology in control and observer using multiobjective approach. In the design of control systems, it is required to meet numerous performance requirements. In this viewpoint, this thesis investigates an observer-based control, an event-triggered control, and an adaptive observer dealing with multi-objectives. Based on Lyapunove theory, the control and observer gain has successfully derived by solving linear matrix inequalities (LMIs) that is numerically tractable. The effectiveness of the proposed scheme is shown through numerical examples for the lateral movement of a steel making process, networked control systems, and economic systems. The results clarify flexibility and versatility of the multiobjective approach

Sliding Mode Control using Robust Model Predictive Control in Reaching Mode for Lateral Movement System

MasterIn this paper, to improve sliding mode control, revised controller is proposed. A method of robust model predictive control is employed to improve performance in reaching mode. To apply robust model predictive control, Uncertain discrete time systems can be transformed to polytopic uncertain system. Consequently, the employed robust model predictive control is minimizing the upper bound of the cost function with infinite horizon for uncertain polytopic system. To show effectiveness, the method is applied to lateral motion of a hot strip. The strong point of the proposed method is optimization of the cost function. As a result, the convergence rate to sliding surface is improved in reaching mode. Moreover, input constraint can be considered. A numerical example in lateral movement system illustrates the effectiveness of the proposed method by comparing it with existing methods

Development of HILS Simulator for Steering Control in Hot Strip Finishing Mill

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Active disturbance rejection control for strip steering control in hot strip finishing mill

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Uniformly Ultimately Boundedness Stability Condition of Systems with State Delay and Input Backlash

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측방향 움직임 시스템에 대한 입력 제한을 고려한 모델예측 제어

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Robust H 2 filter design for bilinear systems using TS fuzzy approach

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판쏠림 제어를 위한 T-S fuzzy 모델링

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Control Methodology for Stabilized Strip Tracking in Tandem Cold Strip Mill System

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