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SE2450874A1 - Controlling a bale press in a pulp baling system to compress a current bale to a desired height - Google Patents

Controlling a bale press in a pulp baling system to compress a current bale to a desired height

Info

Publication number
SE2450874A1
SE2450874A1 SE2450874A SE2450874A SE2450874A1 SE 2450874 A1 SE2450874 A1 SE 2450874A1 SE 2450874 A SE2450874 A SE 2450874A SE 2450874 A SE2450874 A SE 2450874A SE 2450874 A1 SE2450874 A1 SE 2450874A1
Authority
SE
Sweden
Prior art keywords
bale
current
compress
height
press
Prior art date
Application number
SE2450874A
Other versions
SE547345C2 (en
Inventor
Björn Norén
Claes Åkerlund
Emil Estlind
Eskilsson Fredrik Wall
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Priority to SE2450874A priority Critical patent/SE547345C2/en
Publication of SE2450874A1 publication Critical patent/SE2450874A1/en
Publication of SE547345C2 publication Critical patent/SE547345C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/3007—Control arrangements
    • 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
    • G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
    • G05B13/027—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion using neural networks only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
    • B30B1/186—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/12—Baling or bundling compressible fibrous material, e.g. peat
    • B65B27/125—Baling or bundling compressible fibrous material, e.g. peat and wrapping or bagging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G57/00—Stacking of articles
    • 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
    • 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
    • D21G9/0027—Paper-making control systems controlling the forming section
    • 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
    • D21G9/0036—Paper-making control systems controlling the press or drying section
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G06N3/084—Backpropagation, e.g. using gradient descent
    • 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
    • D21G9/0054—Paper-making control systems details of algorithms or programs
    • 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
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Medical Informatics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Paper (AREA)

Abstract

A controller (100) controls a bale press (30) in a pulp baling system (10) to compress a current bale (Bc) to have a desired compressed bale height (HPdes) via a closed-loop controller (110): determining a desired compressed bale height (HPdes) based on a set of input parameters (Sinput) specifying a desired resulting bale height (HRdes) for the current bale (Bc), a desired stack height (HSdes) of a current stack (SM) that the current bale (Bc) will be part of, properties of the current bale and possibly properties of preceding bale(s); and producing predicted control signal(s) (Cpred) to be fed to the bale press (30) for controlling the bale press (30) to compress a current bale (Bc). The closed-loop controller (110) contains a trained artificial neural network with an input layer configured to obtain the set of input parameters (Sinput), an output layer configured to provide the at least one predicted control signal (Cpred), and at least one hidden layer interconnecting the input layer and the output layer. The invention also relates to a pulp baling system (10) comprising the controller (100), a computerimplemented method for controlling a bale press (30) in a pulp baling system (10) to compress a current bale (Bc) to have a desired compressed bale height (HPdes), a computer program (653) with software for executing the method, and a non-volatile data carrier (655) containing the computer program (653).
SE2450874A 2024-08-30 2024-08-30 Controlling a bale press in a pulp baling system to compress a current bale to a desired height SE547345C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE2450874A SE547345C2 (en) 2024-08-30 2024-08-30 Controlling a bale press in a pulp baling system to compress a current bale to a desired height

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2450874A SE547345C2 (en) 2024-08-30 2024-08-30 Controlling a bale press in a pulp baling system to compress a current bale to a desired height

Publications (2)

Publication Number Publication Date
SE2450874A1 true SE2450874A1 (en) 2025-07-08
SE547345C2 SE547345C2 (en) 2025-07-08

Family

ID=96262295

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2450874A SE547345C2 (en) 2024-08-30 2024-08-30 Controlling a bale press in a pulp baling system to compress a current bale to a desired height

Country Status (1)

Country Link
SE (1) SE547345C2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000009430A1 (en) * 1998-08-12 2000-02-24 Valmet Corporation Apparatus and method for stacking pulp bales
US20120042793A1 (en) * 2010-08-23 2012-02-23 Murray Donald Louis Method and mechanical press system for the generation of densified cylindrical briquettes
US20160347016A1 (en) * 2015-05-29 2016-12-01 Andritz Ag Device for compacting pulp flocks
US20160347017A1 (en) * 2015-05-29 2016-12-01 Andritz Ag Device for compacting stacked sheets or pulp slabs
EP3187656B1 (en) * 2015-12-28 2018-08-22 Valmet Technologies Oy Method of producing pulp bales and arrangement for controlling the bale weight profile in a pulp drying machine
US20210189597A1 (en) * 2017-10-13 2021-06-24 Robert Czinner System, controller, and method for decortication processing
US20240198618A1 (en) * 2021-05-06 2024-06-20 Andritz Ag Method for Monitoring the Quality Properties of a Cellulose Bale in a Bale Line

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000009430A1 (en) * 1998-08-12 2000-02-24 Valmet Corporation Apparatus and method for stacking pulp bales
US20120042793A1 (en) * 2010-08-23 2012-02-23 Murray Donald Louis Method and mechanical press system for the generation of densified cylindrical briquettes
US20160347016A1 (en) * 2015-05-29 2016-12-01 Andritz Ag Device for compacting pulp flocks
US20160347017A1 (en) * 2015-05-29 2016-12-01 Andritz Ag Device for compacting stacked sheets or pulp slabs
EP3187656B1 (en) * 2015-12-28 2018-08-22 Valmet Technologies Oy Method of producing pulp bales and arrangement for controlling the bale weight profile in a pulp drying machine
US20210189597A1 (en) * 2017-10-13 2021-06-24 Robert Czinner System, controller, and method for decortication processing
US20240198618A1 (en) * 2021-05-06 2024-06-20 Andritz Ag Method for Monitoring the Quality Properties of a Cellulose Bale in a Bale Line

Also Published As

Publication number Publication date
SE547345C2 (en) 2025-07-08

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