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GB2360855B - Control systems for extrusion plants - Google Patents

Control systems for extrusion plants

Info

Publication number
GB2360855B
GB2360855B GB0007372A GB0007372A GB2360855B GB 2360855 B GB2360855 B GB 2360855B GB 0007372 A GB0007372 A GB 0007372A GB 0007372 A GB0007372 A GB 0007372A GB 2360855 B GB2360855 B GB 2360855B
Authority
GB
United Kingdom
Prior art keywords
control systems
extrusion plants
plants
extrusion
systems
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 - Fee Related
Application number
GB0007372A
Other versions
GB0007372D0 (en
GB2360855A (en
Inventor
Hafiz Fazl Elaki Jamal-Ahmad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beta Lasermike Ltd
Original Assignee
Beta Lasermike Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beta Lasermike Ltd filed Critical Beta Lasermike Ltd
Priority to GB0007372A priority Critical patent/GB2360855B/en
Publication of GB0007372D0 publication Critical patent/GB0007372D0/en
Priority to US10/239,115 priority patent/US20030158610A1/en
Priority to PCT/GB2001/001165 priority patent/WO2001073515A1/en
Priority to EP01911949A priority patent/EP1269275A1/en
Priority to AU2001240868A priority patent/AU2001240868A1/en
Publication of GB2360855A publication Critical patent/GB2360855A/en
Application granted granted Critical
Publication of GB2360855B publication Critical patent/GB2360855B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92066—Time, e.g. start, termination, duration or interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92123—Diameter or circumference
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feedback Control In General (AREA)
  • Testing And Monitoring For Control Systems (AREA)
GB0007372A 2000-03-28 2000-03-28 Control systems for extrusion plants Expired - Fee Related GB2360855B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0007372A GB2360855B (en) 2000-03-28 2000-03-28 Control systems for extrusion plants
US10/239,115 US20030158610A1 (en) 2000-03-28 2001-03-19 Control systems for extrusion or drawing plants
PCT/GB2001/001165 WO2001073515A1 (en) 2000-03-28 2001-03-19 Control systems for extrusion or drawing plants
EP01911949A EP1269275A1 (en) 2000-03-28 2001-03-19 Control systems for extrusion or drawing plants
AU2001240868A AU2001240868A1 (en) 2000-03-28 2001-03-19 Control systems for extrusion or drawing plants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0007372A GB2360855B (en) 2000-03-28 2000-03-28 Control systems for extrusion plants

Publications (3)

Publication Number Publication Date
GB0007372D0 GB0007372D0 (en) 2000-05-17
GB2360855A GB2360855A (en) 2001-10-03
GB2360855B true GB2360855B (en) 2004-08-18

Family

ID=9888483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0007372A Expired - Fee Related GB2360855B (en) 2000-03-28 2000-03-28 Control systems for extrusion plants

Country Status (4)

Country Link
EP (1) EP1269275A1 (en)
AU (1) AU2001240868A1 (en)
GB (1) GB2360855B (en)
WO (1) WO2001073515A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9134713B2 (en) 2012-05-11 2015-09-15 Siemens Corporation System and method for fault prognostics enhanced MPC framework

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0537041A1 (en) * 1991-10-07 1993-04-14 Sollac Method and device for monitoring sensors and for locating failures in an industrial process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723107A (en) * 1980-07-18 1982-02-06 Toshiba Corp Process controller
US4539633A (en) * 1982-06-16 1985-09-03 Tokyo Shibaura Denki Kabushiki Kaisha Digital PID process control apparatus
US4882526A (en) * 1986-08-12 1989-11-21 Kabushiki Kaisha Toshiba Adaptive process control system
DE4009200A1 (en) * 1990-03-22 1991-09-26 Diehl Gmbh & Co Recursive parameter control system - uses adaptive parameter adjustment of transfer function using integral regulator for error signal corresp. to instantaneous deviation
DE4141230A1 (en) * 1991-12-13 1993-06-24 Siemens Ag ROLLING PLAN CALCULATION METHOD
JPH0784608A (en) * 1993-09-14 1995-03-31 Toshiba Corp Control device
US5408406A (en) * 1993-10-07 1995-04-18 Honeywell Inc. Neural net based disturbance predictor for model predictive control
DE4338608B4 (en) * 1993-11-11 2005-10-06 Siemens Ag Method and device for managing a process in a controlled system
US5587899A (en) * 1994-06-10 1996-12-24 Fisher-Rosemount Systems, Inc. Method and apparatus for determining the ultimate gain and ultimate period of a controlled process

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0537041A1 (en) * 1991-10-07 1993-04-14 Sollac Method and device for monitoring sensors and for locating failures in an industrial process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
J Polymer Research, Vol. 5, No.3, 1998, pp171-175, Lin Chi-Chuan, & Chiu Shih-Hsuan *

Also Published As

Publication number Publication date
AU2001240868A1 (en) 2001-10-08
WO2001073515A1 (en) 2001-10-04
GB0007372D0 (en) 2000-05-17
EP1269275A1 (en) 2003-01-02
GB2360855A (en) 2001-10-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050328