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An Integrated Dynamic and Quality Modeling Framework for Batch Processes
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DOI：10.1016/j.cherd.2024.09.026.png)
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Abstract
En 中文
This manuscript considers batch process operations and addresses the challenge of identifying a model that synergistically captures the dynamic input-output behavior of continuously measured variables along with the quality variables measured only at batch termination. To this end, an optimization-based framework is developed to identify one model that captures both the dynamics between the inputs and the continuously measured output variables, measurements of which are available at every time step, and the relation between the dynamic stateinformation and the terminal quality measurements. Existing approaches either do not identify the dynamic and the quality model simultaneously, or they simply connect the whole trajectory of the process variables with the qualities and do not address the dynamic relationship between the inputs and the process variables. The improved modelling performance of the model obtained from this approach is demonstrated using data from a Uni-axial Rotational Molding process, and compared with existing modelling approaches.
Keywords:
Quality modelling
Batch processes
Prediction error minimization
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