JP5180520B2 - 機械への負荷を制御する方法及びタービンエンジン制御システム - Google Patents
機械への負荷を制御する方法及びタービンエンジン制御システム Download PDFInfo
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- JP5180520B2 JP5180520B2 JP2007144563A JP2007144563A JP5180520B2 JP 5180520 B2 JP5180520 B2 JP 5180520B2 JP 2007144563 A JP2007144563 A JP 2007144563A JP 2007144563 A JP2007144563 A JP 2007144563A JP 5180520 B2 JP5180520 B2 JP 5180520B2
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Classifications
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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
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/048—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators using a predictor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/04—Arrangement of sensing elements responsive to load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/06—Arrangement of sensing elements responsive to speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
- F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
- F01D17/24—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical electrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/16—Purpose of the control system to control water or steam injection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Evolutionary Computation (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Turbines (AREA)
- Feedback Control In General (AREA)
Description
12 蒸気タービン−発電機
14 蒸気ボイラ
15 プラント及びリアルタイムコントローラ
17 タービンコントローラ
18 オペレータ
24 データ処理サブシステム
26 オペレータインタフェースサブシステム
27 性能技術者インタフェースサブシステム
28 データ記憶サブシステム
29 性能技術者
30 蒸気タービン
34 発電機
36 主制御弁アクチュエータ
38 主制御蒸気進入弁
42 蒸気発生器
48 HPタービン
52 再熱器
54 IPタービン
60 LPタービン
68 凝縮器
Claims (9)
- コントローラを使用して機械への負荷を制御する方法であって、
反復プロセスを使用して、前記機械に関連する少なくとも1つのプロセス変量と前記プロセス変量と関連する制御出力値とを決定する段階であって、前記プロセス変量の値はセンサから受け取り、前記制御出力値は前記コントローラからの出力である、段階と、
前記機械の予測モデルを使用して、前記制御出力値を予測周期にわたって実質的に一定に保持しながら、前記プロセス変量の最大値を決定する段階と、
前記決定したプロセス変量の最大値が許容限界範囲内にある場合には、前記コントローラの制御出力値をインクリメントする段階と、
前記コントローラの制御出力値を、前記プロセス変量に前記許容限界範囲を越えることを引き起こさせなかった前記最終の制御出力値に設定する段階と、
を含む方法。 - 前記予測モデルが、その各々が前記機械の少なくとも1つの関係プロセス変量の組に関連する複数の状態を含み、
該方法が、前記モデルの状態をそれぞれの現在の機械状態に初期化する段階をさらに含む、
請求項1に記載の方法。 - 前記プロセス変量の最大値を決定する段階が、前記予測周期中に現在のプロセス変量値を反復して決定する段階を含む、請求項1に記載の方法。
- タービンエンジン制御システムであって、
前記タービンエンジンの状態を測定するように構成された複数のセンサと、
プロセッサと、
を含み、前記プロセッサが、
反復プロセスを使用して、前記タービンエンジンに関連する少なくとも1つのプロセス変量と前記プロセス変量と関連する制御出力値とを決定し、前記プロセス変量の値はセンサから受け取り、前記制御出力値は前記プロセッサからの出力であり、
前記機械の予測モデルを使用して、前記制御出力値を予測周期にわたって実質的に一定に保持しながら、前記プロセス変量の最大値を決定し、
前記決定したプロセス変量の最大値が許容限界範囲内にある場合には、前記制御出力値をインクリメントし、
前記制御出力値を、前記プロセス値に前記許容範囲を越えることを引き起こさせなかった前記最終の制御出力値に設定する、
ように構成される、システム。 - 前記プロセッサが、モデル状態をそれぞれの現在のタービンエンジン状態に初期化するようにさらに構成される、請求項4に記載のシステム。
- 前記プロセッサが、前記予測周期中に現在のプロセス変量値を反復して決定するようにさらに構成される、請求項4に記載のシステム。
- 前記プロセッサが、現在のプロセス変量値を、現在の予測周期中に決定したプロセス変量の最大値と比較するようにさらに構成される、請求項4に記載のシステム。
- 前記プロセッサが、現在の予測周期中に決定した最大値を、所定のプロセス変量限界値と比較するようにさらに構成される、請求項4に記載のシステム(10)。
- 前記プロセッサが、前記タービンエンジンの出力レベルをコマンドと関係したレベルに制限するコマンドを生成するようにさらに構成される、請求項4に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/444,637 | 2006-06-01 | ||
US11/444,637 US8005575B2 (en) | 2006-06-01 | 2006-06-01 | Methods and apparatus for model predictive control in a real time controller |
Publications (2)
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JP2007323654A JP2007323654A (ja) | 2007-12-13 |
JP5180520B2 true JP5180520B2 (ja) | 2013-04-10 |
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JP2007144563A Expired - Fee Related JP5180520B2 (ja) | 2006-06-01 | 2007-05-31 | 機械への負荷を制御する方法及びタービンエンジン制御システム |
Country Status (4)
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US (1) | US8005575B2 (ja) |
EP (1) | EP1862875B1 (ja) |
JP (1) | JP5180520B2 (ja) |
KR (1) | KR101399138B1 (ja) |
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-
2006
- 2006-06-01 US US11/444,637 patent/US8005575B2/en not_active Expired - Fee Related
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2007
- 2007-05-25 EP EP07108990A patent/EP1862875B1/en not_active Expired - Fee Related
- 2007-05-31 KR KR1020070053310A patent/KR101399138B1/ko active IP Right Grant
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KR101399138B1 (ko) | 2014-05-27 |
US20070282487A1 (en) | 2007-12-06 |
JP2007323654A (ja) | 2007-12-13 |
EP1862875B1 (en) | 2012-08-22 |
EP1862875A2 (en) | 2007-12-05 |
KR20070115752A (ko) | 2007-12-06 |
EP1862875A3 (en) | 2010-04-28 |
US8005575B2 (en) | 2011-08-23 |
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