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논문 기본 정보

자료유형
학술대회자료
저자정보
Sanghun Ahn (Myongjj University) Jongwon Kim (Myongjj University) Addis Lulu (Myongjj University) Dongil Shin (Myongjj University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2015
발행연도
2015.10
수록면
271 - 275 (5page)

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The main focus of this paper is design of reduced order observer in nonlinear system. Rigorous mathematical model is needed to handle nonstationary process and many accidents occur in these conditions more than steady state operating conditions and reactor is important part of chemical process from its dynamic changes of properties such as temperature, concentration and pressure. Furthermore, its dynamics is nonlinear. So, this problem cannot be solved with SPC and linear system modeling so that we tried to solve it with nonlinear state observer. And we intended to apply reduced order observer similar from linear system. In this study, we considered the concentration is unmeasurable and only temperature is measurable. We examined convergence of the estimation error. As a result, the concentration is successfully observed. Additionally, we are curious about its dynamics under disturbance so carried it on under some conditions. And we discovered interest of gap between actual and observered value so that we suggested possibility of fault detection.

목차

Abstract
1. INTRODUCTION
2. RESEARCH REVIEW: STATE ESTIMATION
3. REDUCED ORDER OBSERVER FOR NONLINEAR SYSTEM
4. CASE STUDY
5. DISCUSSION
6. CONCLUSION
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UCI(KEPA) : I410-ECN-0101-2016-569-001911007