Parameter estimation from laser flash experiment data

Wright, Louise and Yang, Xin-She and Matthews, Clare and Chapman, Lindsay and Roberts, Simon (2011) Parameter estimation from laser flash experiment data. In: Computational optimization and applications in engineering and industry studies in computational intelligence. Studies in Computational Intelligence, 359 (359). Springer, Berlin, pp. 205-220. ISBN 9783642209857

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Optimisation techniques are commonly used for parameter estimation in a wide variety of applications. The application described here is a laser flash thermal diffusivity experiment on a layered sample where the thermal properties of some of the layers are unknown. The aim is to estimate the unknown properties by minimising, in a least squares sense, the difference between model predictions and measured data. Two optimisation techniques have been applied to the problem. Results suggest that the classical nonlinear least-squares optimiser is more efficient than particle swarm optimisation (PSO) for this type of problem. Results have also highlighted the importance of defining a suitable objective function and choosing appropriate model parameters.

Item Type:Book Section
Research Areas:A. > School of Science and Technology > Design Engineering and Mathematics
ID Code:9576
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Deposited On:19 Nov 2012 15:32
Last Modified:12 Oct 2015 09:50

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