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논문 기본 정보

자료유형
학술대회자료
저자정보
Hyun-Taek Lim (Seoul National University) Tae-il Kim (Seoul National University) Ji-Seok Han (Seoul National University) Tae-Ho Oh (Seoul National University) Young-Seok Kim (Seoul National University) Sang-Hoon Lee (RS Automation) Dong-Il “Dan” Cho (Seoul National University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2019
발행연도
2019.10
수록면
1,714 - 1,718 (5page)

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초록· 키워드

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This paper develops an overshoot enhancement method of discrete-time sliding mode control (DSMC) with a decoupled disturbance compensator (DDC) subject to ramp-type disturbances. The original DSMC with DDC method has several features such as excellent trajectory tracking, easy implementation, and robustness to disturbances. However, when the system suffers from ramp-type disturbance such as viscosity friction, position error remains and overshoot arises at the end of motion. They are highly undesirable in position control applications such as robot manipulators and manufacturing systems. In this paper, a new structure of DSMC with DDC is developed to reduce the overshoot. An outer loop is added to the original DSMC with DDC structure, which provides asymptotic convergence of the error state subject to ramp-type disturbance. A transfer function is derived to analyze the overshoot performance. Experiments are performed on an industrial linear motor system to demonstrate the improved overshoot performance.

목차

Abstract
1. INTRODUCTION
2. REVIEW OF DISCRETE-TIME SLIDING MODE CONTROL WITH DECOUPLED DISTURBANCE COMPENSATOR
3. ANALYSIS OF ADDITIONAL OUTER LOOP
4. EXPERIMENTAL RESULTS
5. CONCLUSIONS
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