JPH11513148A - 多変数予測コントローラに独立フィードフォワード制御を組込む方法 - Google Patents
多変数予測コントローラに独立フィードフォワード制御を組込む方法Info
- Publication number
- JPH11513148A JPH11513148A JP9503332A JP50333297A JPH11513148A JP H11513148 A JPH11513148 A JP H11513148A JP 9503332 A JP9503332 A JP 9503332A JP 50333297 A JP50333297 A JP 50333297A JP H11513148 A JPH11513148 A JP H11513148A
- Authority
- JP
- Japan
- Prior art keywords
- control
- feedback
- feedforward
- controller
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 請求項1. フィードバックコントローラを有し、少なくとも1つの操作変数 (mv)と少なくとも1つの制御量(cv)とをさらに有し、かつフィードフォ ワードループをさらに含む、外乱を受けるプロセス制御システムで、独立フィー ドフォワード制御をフィードバックコントローラに組込む方法において、 a)制御変数ごとに、外乱を排除すべき第1の時間TFFと、入力変化に対応し て制御量が定常状態に到達すべき第2の時間TFBとを指定するフィードフォワー ド制御ファネルを決めると共に、cvごとにフィードバック制御ファネルを決め る過程と; b)cvごとにフィードフォワード制御ファネル及びフィードバック制御ファ ネルのうち短いほうを選択する過程と; c)第1の時間TFFが第2の時間TFBより短い場合、 i)フィードバックコントローラの速度が増さないかのようにフィードバッ ク制御の速度を補正し;そうではなく、TFF≧TFBである場合には、次の過程へ 進むことにより、独立同調パラメータを有効に提供する過程と; d)コントローラ手順に従って制御量の新たな値を計算して、解を生成する過 程と; e)指定時間以内の外乱の排除をも含む解に従ってプロセスを制御する過程と から成る方法。 請求項2 プロセス制御システムにおいて、プロセス制御システムは多変数予 測コントローラである請求項1記載の独立フィードフォワード制御を組込む方法 。 請求項3 プロセス制御システムにおいて、フィードバックコントローラのコ ントローラ手順は範囲制御手順である請求項2記載の独立フィードフォワード制 御を組込む方法。 請求項4 プロセス制御システムにおいて、補正する過程は、cvの索引をi とするとき、制御量cviごとに、 フィリタリングする過程から成り、フィードフォワード/フィードバック比が1 未満である場合、サンプリング時間をTsとし、開ループ応答時間をOLRTと するとき、 であり、フィードフォワード/フィードバック比が1以上である場合には、 τi = 0 である請求項3記載の独立フィードフォワード制御を組込む方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/490,183 | 1995-06-14 | ||
| US08/490,183 US5561599A (en) | 1995-06-14 | 1995-06-14 | Method of incorporating independent feedforward control in a multivariable predictive controller |
| PCT/US1996/010288 WO1997000467A1 (en) | 1995-06-14 | 1996-06-14 | A method of incorporating independent feedforward control in a multivariable predictive controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11513148A true JPH11513148A (ja) | 1999-11-09 |
| JP3842291B2 JP3842291B2 (ja) | 2006-11-08 |
Family
ID=23946944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50333297A Expired - Lifetime JP3842291B2 (ja) | 1995-06-14 | 1996-06-14 | 多変数予測コントローラに独立フィードフォワード制御を組込む方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5561599A (ja) |
| EP (1) | EP0832449B1 (ja) |
| JP (1) | JP3842291B2 (ja) |
| KR (1) | KR100407203B1 (ja) |
| CN (1) | CN1118730C (ja) |
| DE (1) | DE69603859T2 (ja) |
| RU (1) | RU2185649C2 (ja) |
| WO (1) | WO1997000467A1 (ja) |
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| US5457625A (en) * | 1994-04-13 | 1995-10-10 | The M. W. Kellogg Company | Maximizing process production rates using permanent constraints |
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| JP3842291B2 (ja) | 2006-11-08 |
| CN1118730C (zh) | 2003-08-20 |
| EP0832449A1 (en) | 1998-04-01 |
| KR19990022789A (ko) | 1999-03-25 |
| WO1997000467A1 (en) | 1997-01-03 |
| DE69603859T2 (de) | 2000-05-31 |
| DE69603859D1 (de) | 1999-09-23 |
| US5561599A (en) | 1996-10-01 |
| KR100407203B1 (ko) | 2004-03-31 |
| RU2185649C2 (ru) | 2002-07-20 |
| CN1258869A (zh) | 2000-07-05 |
| EP0832449B1 (en) | 1999-08-18 |
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