In-process nip point temperature estimation in automated tape placement based on analytical solution and remote thermal measurements

Anastasios Danezis; David Williams; Alex A. Skordos

doi:10.1177/08927057221122095

In-process nip point temperature estimation in automated tape placement based on analytical solution and remote thermal measurements

Anastasios Danezis
, David Williams
, Alex A. Skordos

Cranfield University
Heraeus Noblelight Ltd.

Research output: Contribution to journal › Article › peer-review

3 Citations (SciVal)

Abstract

The optimisation and control of automated tape placement (ATP) requires fast analysis tools able to utilise process data for predictions and monitoring. In this study, a strategy for in-process estimation of nip point temperatures is proposed. The method is based on a combination of two one-dimensional analytical solutions of heat transfer in ATP using temperature data measured on the tool surface, combined with an inverse solution for the estimation of power delivered by the heating device on the composite surface. The performance of the method is examined against a validated finite element model. Approximations of nip point temperature show good correlation for different tool materials, with an average error of 15°C and a maximum of 50°C which is satisfactory for the processing of high-temperature thermoplastic materials. The analytical scheme offers real-time estimations of the nip point temperature with the potential to be used for process control of ATP.

Original language	English
Pages (from-to)	3168-3194
Number of pages	27
Journal	Journal of Thermoplastic Composite Materials
Volume	36
Issue number	8
Early online date	22 Aug 2022
DOIs	https://doi.org/10.1177/08927057221122095
Publication status	Published - 31 Aug 2023

Bibliographical note

Publisher Copyright:
© The Author(s) 2022.

Acknowledgements

Discussions with Professor Jay I. Frankel of New Mexico State University on the heat flux identification are gratefully acknowledged. Data underlying this study can be accessed through the Cranfield University repository at https://doi.org/10.17862/cranfield.rd.18093260.

Funding

The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the Engineering and Physical Sciences Research Council through the EPSRC Centre for Doctoral Training in Composites Manufacture [grant number EP/L015102/1].

Keywords

analytical solution
heat transfer analysis
process modelling
process monitoring
tape placement
thermoplastic composites

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics

Access to Document

10.1177/08927057221122095Licence: CC BY

Cite this

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title = "In-process nip point temperature estimation in automated tape placement based on analytical solution and remote thermal measurements",

abstract = "The optimisation and control of automated tape placement (ATP) requires fast analysis tools able to utilise process data for predictions and monitoring. In this study, a strategy for in-process estimation of nip point temperatures is proposed. The method is based on a combination of two one-dimensional analytical solutions of heat transfer in ATP using temperature data measured on the tool surface, combined with an inverse solution for the estimation of power delivered by the heating device on the composite surface. The performance of the method is examined against a validated finite element model. Approximations of nip point temperature show good correlation for different tool materials, with an average error of 15°C and a maximum of 50°C which is satisfactory for the processing of high-temperature thermoplastic materials. The analytical scheme offers real-time estimations of the nip point temperature with the potential to be used for process control of ATP.",

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AU - Skordos, Alex A.

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PY - 2023/8/31

Y1 - 2023/8/31

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AB - The optimisation and control of automated tape placement (ATP) requires fast analysis tools able to utilise process data for predictions and monitoring. In this study, a strategy for in-process estimation of nip point temperatures is proposed. The method is based on a combination of two one-dimensional analytical solutions of heat transfer in ATP using temperature data measured on the tool surface, combined with an inverse solution for the estimation of power delivered by the heating device on the composite surface. The performance of the method is examined against a validated finite element model. Approximations of nip point temperature show good correlation for different tool materials, with an average error of 15°C and a maximum of 50°C which is satisfactory for the processing of high-temperature thermoplastic materials. The analytical scheme offers real-time estimations of the nip point temperature with the potential to be used for process control of ATP.

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KW - process monitoring

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In-process nip point temperature estimation in automated tape placement based on analytical solution and remote thermal measurements

Abstract

Bibliographical note

Acknowledgements

Funding

Keywords

ASJC Scopus subject areas

Access to Document

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