KR100711439B1 - 주기적 외란에 강인한 탕면 레벨 제어 장치 - Google Patents
주기적 외란에 강인한 탕면 레벨 제어 장치 Download PDFInfo
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- KR100711439B1 KR100711439B1 KR1020050129401A KR20050129401A KR100711439B1 KR 100711439 B1 KR100711439 B1 KR 100711439B1 KR 1020050129401 A KR1020050129401 A KR 1020050129401A KR 20050129401 A KR20050129401 A KR 20050129401A KR 100711439 B1 KR100711439 B1 KR 100711439B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Continuous Casting (AREA)
Abstract
Description
(Sr2: 제2 개도량 제어값, Sr: 순 개도량 제어값, d: 주기적 외란, Q: 용융금속의 양, P: 제어모델(P=Q*1/s*K)의 역모델, F: 저대역 통과 필터의 이득, K: 임의의 상수)
Claims (3)
- 턴디쉬로부터 몰드로 유입되는 용융 금속의 양을 개도량으로 조정하는 개도량 조정수단을 구비하는 탕면 레벨 제어 장치에 있어서,상기 몰드 내의 탕면 레벨을 검출하여 실측 레벨값(h)으로 출력하는 레벨 센서;상기 실측 레벨값(h)과 기설정된 목표 레벨값(hr)의 차가 0이 되도록, 상기 개도량 조정 수단의 개도량을 결정하는 제1 개도량 제어값(Sr1)을 생성하는 레벨제어부;상기 레벨 센서로부터 검출된 실측 레벨값(h)을 역모델 연산을 하여, 상기 실측 레벨값(h)에 포함된 주기적 외란(d) 성분에 의한 개도량 제어값인 제2 개도량 제어값(Sr2)을 연산하는 외란성분 검출부; 및상기 제1 개도량 제어값(Sr1)에서 상기 제2 개도량 제어값(Sr2)를 감산하여 주기적 외란(d) 성분에 의한 개도량 제어값이 제거된 상기 개도량 조정 수단의 개도량을 결정하는 실 개도량 제어값(Sr)을 생성하는 제1 감산부를 포함하는 주기적 외란에 강인한 탕면 레벨 제어 장치.
- 제1항에 있어서, 상기 외란성분 검출부는,상기 실측 레벨값(h)을 역모델 연산하여, 현재 검출된 실측 레벨값(h)을 출 력하게 하는 개도량 제어값인 역모델 개도량 제어값(Sr')을 연산하는 역모델 연산부;상기 실 개도량 제어값(Sr)과 상기 역모델 개도량 제어값(Sr')의 차를 연산하여 주기적 외란(d) 성분에 의한 개도량 제어값을 연산하는 제2 감산부; 및상기 제2 감산부에서 출력되는 주기적 외란(d) 성분에 의한 개도량 제어값을 필터링하여 상기 제2 개도량 제어값(Sr2)을 출력하는 저대역 통과 필터를 포함하는 것을 특징으로 하는 주기적 외란에 강인한 탕면 레벨 제어 장치.
- 제1항에 있어서, 상기 레벨 제어부는,PID 제어기 또는 PI 제어기인 것을 특징으로 하는 주기적 외란에 강인한 탕면 레벨 제어 장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050129401A KR100711439B1 (ko) | 2005-12-26 | 2005-12-26 | 주기적 외란에 강인한 탕면 레벨 제어 장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050129401A KR100711439B1 (ko) | 2005-12-26 | 2005-12-26 | 주기적 외란에 강인한 탕면 레벨 제어 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100711439B1 true KR100711439B1 (ko) | 2007-04-24 |
Family
ID=38182311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050129401A Expired - Fee Related KR100711439B1 (ko) | 2005-12-26 | 2005-12-26 | 주기적 외란에 강인한 탕면 레벨 제어 장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100711439B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101109450B1 (ko) * | 2010-04-30 | 2012-02-09 | 현대제철 주식회사 | 침지 노즐 막힘 정도 추정 방법 및 침지 노즐 교환 시기 추정 방법 |
| KR101185919B1 (ko) | 2010-05-28 | 2012-09-25 | 현대제철 주식회사 | 침지 노즐 막힘 경고 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61296942A (ja) | 1985-06-27 | 1986-12-27 | Mitsubishi Heavy Ind Ltd | 薄板連続鋳造装置における溶鋼レベル制御装置 |
| JP2000202606A (ja) | 1999-01-14 | 2000-07-25 | Sumitomo Heavy Ind Ltd | 連続鋳造設備のモ―ルド湯面制御装置 |
| KR20010018170A (ko) * | 1999-08-17 | 2001-03-05 | 신현준 | 주편벌징에 의한 주형내 탕면레벨 제어장치 및 방법 |
-
2005
- 2005-12-26 KR KR1020050129401A patent/KR100711439B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61296942A (ja) | 1985-06-27 | 1986-12-27 | Mitsubishi Heavy Ind Ltd | 薄板連続鋳造装置における溶鋼レベル制御装置 |
| JP2000202606A (ja) | 1999-01-14 | 2000-07-25 | Sumitomo Heavy Ind Ltd | 連続鋳造設備のモ―ルド湯面制御装置 |
| KR20010018170A (ko) * | 1999-08-17 | 2001-03-05 | 신현준 | 주편벌징에 의한 주형내 탕면레벨 제어장치 및 방법 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101109450B1 (ko) * | 2010-04-30 | 2012-02-09 | 현대제철 주식회사 | 침지 노즐 막힘 정도 추정 방법 및 침지 노즐 교환 시기 추정 방법 |
| KR101185919B1 (ko) | 2010-05-28 | 2012-09-25 | 현대제철 주식회사 | 침지 노즐 막힘 경고 방법 |
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