Estimating Parameters and Refining Thermal Models by Using the Extended Kalman Filter Approach

Parameter estimation is based upon a comparison of predicted deterministic model responses to data. The models are often numerical, e.g., finite volume, with intrinsic inaccuracies. In addition, the models typically assume a full knowledge of the physical processes. By using the concept of state variables and employing the extended Kahnan filter approach it is possible to include additional effects in the model to achieve better agreement between the model and the data. We describe such an approach to the estimation of thermal conductivity in a transiently heated and cooled one-dimensional system

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