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Methods of Modelling Corrugators

Nordström, Gunilla (2001)
Packaging Logistics
Abstract
Problem: The process of manufacturing corrugated board is a quite complicated process, when it comes to exactly understand what happens in the process. ln order to gain a better understanding and a tool for control of the corrugating process, the machine making the corrugated board, a method that possibly can describe the process is desirable. Throughout the thesis we are thus interested in finding tools that may explain the non4inear relation of the strength of the corrugated board as a function of glue, pressure and heat. To master the non-linearity is a challenging task, since most established models and theories of mode! building assume a linear relationship.

Purpose: The purpose of the thesis is to find and analyse different methods... (More)
Problem: The process of manufacturing corrugated board is a quite complicated process, when it comes to exactly understand what happens in the process. ln order to gain a better understanding and a tool for control of the corrugating process, the machine making the corrugated board, a method that possibly can describe the process is desirable. Throughout the thesis we are thus interested in finding tools that may explain the non4inear relation of the strength of the corrugated board as a function of glue, pressure and heat. To master the non-linearity is a challenging task, since most established models and theories of mode! building assume a linear relationship.

Purpose: The purpose of the thesis is to find and analyse different methods of understanding and mathematically modelling the process of manufacturing corrugated board,

Methodology: The thesis has both a quantitative and a qualitative approach, corresponding to the nature of the studied problem. ln brief, this means that quantitative methods are described and discussed against the problem in a qualitative way. Literature studies and interviews have been performed.

Conclusions: The suggested methods to use are: kemel estimation combined with a higher order non-linear mode!, Volterra series expansions, smooth threshold transfer function, neural networks, and fuzzy logic. (Less)
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author
Nordström, Gunilla
supervisor
organization
year
type
H2 - Master's Degree (Two Years)
subject
keywords
Corrugated board, Corrugator,, Modelling, Parametric models,, Non-parametric models,, possibilities of studying loss of fibre strength, Technological sciences, Teknik
language
English
id
1318542
date added to LUP
2008-06-03
date last changed
2010-02-01 14:40:03
@misc{1318542,
  abstract     = {Problem: The process of manufacturing corrugated board is a quite complicated process, when it comes to exactly understand what happens in the process. ln order to gain a better understanding and a tool for control of the corrugating process, the machine making the corrugated board, a method that possibly can describe the process is desirable. Throughout the thesis we are thus interested in finding tools that may explain the non4inear relation of the strength of the corrugated board as a function of glue, pressure and heat. To master the non-linearity is a challenging task, since most established models and theories of mode! building assume a linear relationship.

Purpose: The purpose of the thesis is to find and analyse different methods of understanding and mathematically modelling the process of manufacturing corrugated board,

Methodology: The thesis has both a quantitative and a qualitative approach, corresponding to the nature of the studied problem. ln brief, this means that quantitative methods are described and discussed against the problem in a qualitative way. Literature studies and interviews have been performed.

Conclusions: The suggested methods to use are: kemel estimation combined with a higher order non-linear mode!, Volterra series expansions, smooth threshold transfer function, neural networks, and fuzzy logic.},
  author       = {Nordström, Gunilla},
  keyword      = {Corrugated board,Corrugator,,Modelling, Parametric models,,Non-parametric models,,possibilities of studying loss of fibre strength,Technological sciences,Teknik},
  language     = {eng},
  note         = {Student Paper},
  title        = {Methods of Modelling Corrugators},
  year         = {2001},
}