Abstract
With the wide use of the distributed control systems in modern industrial processes, a large amount of data has been recorded and collected. How to efficiently use these datasets for process modelling, monitoring and control is of particular interest, as the traditional first-principle model-based method is difficult to use in modern complex processes, which is mainly due to the high human and resource costs or special environments. Different from the first-principle model-based method, the data-based method rarely needs any prior knowledge of the process. By extracting the useful information from the recorded process data, data-based models are also able to model the relationship between different process variables. Particularly, for process monitoring purpose, the multivariable statistical process control (MSPC)-based method has received much attention since the 1990s. The main idea of the MSPC-based monitoring approach is to extract the useful data information from the original dataset, and construct some statistics for monitoring. Most MSPC-based methods can successfully handle the high-dimensional and correlated variables in the process because they are able to reduce the dimension of the process variables and decompose the correlations between them. Therefore, MSPC has become very popular in industrial processes, especially when used for process monitoring.
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© 2013 Springer-Verlag London
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Ge, Z., Song, Z. (2013). Introduction. In: Multivariate Statistical Process Control. Advances in Industrial Control. Springer, London. https://doi.org/10.1007/978-1-4471-4513-4_1
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DOI: https://doi.org/10.1007/978-1-4471-4513-4_1
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Online ISBN: 978-1-4471-4513-4
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