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Output Feedback Sliding Mode Control System with Disturbance Observer for Rotational Inverted Pendulums

외란 관측기를 이용한 회전형 역진자 시스템의 출력 피드백 슬라이딩 모드 제어

  • Published : 2002.02.01

Abstract

This paper presents the system modeling, analysis, and controller design and implementation for a rotational inverted pendulum system(RIPS), which is an under-actuated system and has the problem of unattainable angular velocity state. A sliding mode controller using the parameterization of both the hyperplane and the compensator fur output feedback is applied to the RIPS. Also, to improve the performance of the control system, a disturbance observer which estimates the disturbance, parameter variation, and some modeling errors of RIPS with less computational effort is used together. The results of simulation and experiment show that the proposed control system has superior performance for disturbance rejection and regulation at certain initial conditions.

Keywords

Disturbance Observer;Output Feedback Sliding Mode Controller;Rotational Inverted Pendulum

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