GB1360442A - Apparatus and method for performing coordinated changes of fibrous sheet parameters - Google Patents
Apparatus and method for performing coordinated changes of fibrous sheet parametersInfo
- Publication number
- GB1360442A GB1360442A GB2026771A GB2026771A GB1360442A GB 1360442 A GB1360442 A GB 1360442A GB 2026771 A GB2026771 A GB 2026771A GB 2026771 A GB2026771 A GB 2026771A GB 1360442 A GB1360442 A GB 1360442A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- weight
- determined
- fed
- slurry
- 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.)
- Expired
Links
- 239000002002 slurry Substances 0.000 abstract 4
- 230000004044 response Effects 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 1
- 230000001052 transient effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G9/00—Other accessories for paper-making machines
- D21G9/0009—Paper-making control systems
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US838370A | 1970-02-03 | 1970-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1360442A true GB1360442A (en) | 1974-07-17 |
Family
ID=21731333
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB150774A Expired GB1360443A (en) | 1970-02-03 | 1971-04-19 | Method and apparatus for controlling parameters of a fibrous sheet |
GB2026771A Expired GB1360442A (en) | 1970-02-03 | 1971-04-19 | Apparatus and method for performing coordinated changes of fibrous sheet parameters |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB150774A Expired GB1360443A (en) | 1970-02-03 | 1971-04-19 | Method and apparatus for controlling parameters of a fibrous sheet |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA968045A (sv) |
DE (1) | DE2105048A1 (sv) |
FR (1) | FR2079220B1 (sv) |
GB (2) | GB1360443A (sv) |
SE (2) | SE381524B (sv) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999004090A1 (en) * | 1997-07-14 | 1999-01-28 | Valmet Automation Inc. | Method and apparatus for executing grade change in paper machine |
US6640152B1 (en) | 2000-03-24 | 2003-10-28 | Abb Automation, Inc. | Modeling and control of sheet weight and moisture for paper machine transition |
CN109426153A (zh) * | 2017-08-22 | 2019-03-05 | 霍尼韦尔有限公司 | 基于模型预测控制(mpc)的受迫斜坡变化的应用 |
-
1971
- 1971-01-29 CA CA104,010A patent/CA968045A/en not_active Expired
- 1971-02-02 SE SE126571A patent/SE381524B/sv unknown
- 1971-02-03 FR FR7103652A patent/FR2079220B1/fr not_active Expired
- 1971-02-03 DE DE19712105048 patent/DE2105048A1/de active Pending
- 1971-04-19 GB GB150774A patent/GB1360443A/en not_active Expired
- 1971-04-19 GB GB2026771A patent/GB1360442A/en not_active Expired
-
1974
- 1974-06-27 SE SE7408470A patent/SE7408470L/ not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999004090A1 (en) * | 1997-07-14 | 1999-01-28 | Valmet Automation Inc. | Method and apparatus for executing grade change in paper machine |
US6473670B1 (en) | 1997-07-14 | 2002-10-29 | Metso Paper Automation Oy | Method and apparatus for executing grade change in paper machine grade |
US6640152B1 (en) | 2000-03-24 | 2003-10-28 | Abb Automation, Inc. | Modeling and control of sheet weight and moisture for paper machine transition |
CN109426153A (zh) * | 2017-08-22 | 2019-03-05 | 霍尼韦尔有限公司 | 基于模型预测控制(mpc)的受迫斜坡变化的应用 |
EP3457226A1 (en) * | 2017-08-22 | 2019-03-20 | Honeywell Limited | Application of model predictive control (mpc)-based forced ramping of process input variables and process output reference trajectory design over a prediction horizon for mpc-based paper machine grade change control |
Also Published As
Publication number | Publication date |
---|---|
FR2079220B1 (sv) | 1973-06-08 |
SE381524B (sv) | 1975-12-08 |
DE2105048A1 (de) | 1971-08-19 |
FR2079220A1 (sv) | 1971-11-12 |
SE7408470L (sv) | 1974-06-27 |
GB1360443A (en) | 1974-07-17 |
CA968045A (en) | 1975-05-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4374703A (en) | Control system for papermaking machine headbox | |
US3619360A (en) | Basis weight control system for a papermaking machine | |
Chien et al. | On the automatic control of generalized passive systems | |
CN106089326B (zh) | 干熄焦余热回收蒸汽发电汽轮机进、排汽控制方法 | |
US3687802A (en) | Controlling the moisture,mullen and basis weight of paper | |
US3703436A (en) | Anticipatory control of headbox slice opening in a paper machine | |
GB1360442A (en) | Apparatus and method for performing coordinated changes of fibrous sheet parameters | |
US3309031A (en) | Material working apparatus | |
US3291146A (en) | Automatic control systems for starting-up and shutting-down turbines | |
GB1027256A (en) | Fabric density regulating system for a circular knitting machine | |
US3930934A (en) | Speed optimization control for fibrous sheet making machines such as paper making machines with dryer limited conditions | |
US3816241A (en) | Method and apparatus for feed-forward control of wood pulp refiners | |
US3926719A (en) | Dry line controller | |
CN108438911B (zh) | 一种补风压力窜级调节系统 | |
US3077924A (en) | Paper making system | |
US3293120A (en) | Paper machine pressurized headbox control of stock flow | |
SU659680A1 (ru) | Система автоматического управлени процессом напуска массы из напорных щиков с воздушной подушкой | |
GB926949A (en) | Regulation of forced-flow once-through steam generators | |
GB1404147A (en) | Control of fibrous sheet making machines | |
US3586601A (en) | Basis weight control system for a paper making machine | |
SU1747582A1 (ru) | Система автоматического регулировани напуска бумажной массы из напорного щика | |
SU691586A1 (ru) | Способ автоматического регулировани энергоблока | |
SU640280A1 (ru) | Устройство дл регулировани двух св занных параметров | |
SU1011751A1 (ru) | Устройство дл автоматического регулировани технологического параметра | |
US4141784A (en) | Method and apparatus for controlling wood chip digester level |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |