Abstract
In this chapter, shape-based stiction-detection methods are explained. The shape means the relationship between controller output (OP) and manipulated variable (MV) in the two-dimensional space, which forms a parallelogram when valve stiction occurs. In practice, flow rate is used as MV instead of the valve position whose data are not available in many cases. The shape-based methods utilise only routine operation data for detecting stiction, and they can also quantify the degree of stiction. The usefulness of the shape-based stiction-detection methods is demonstrated by applying them to simulation data generated by using the developed valve-stiction model and real operation data obtained from several chemical processes.
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© 2010 Springer-Verlag London Limited
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Kano, M., Yamashita, Y., Kugemoto, H. (2010). Shape-based Stiction Detection. In: Jelali, M., Huang, B. (eds) Detection and Diagnosis of Stiction in Control Loops. Advances in Industrial Control. Springer, London. https://doi.org/10.1007/978-1-84882-775-2_5
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DOI: https://doi.org/10.1007/978-1-84882-775-2_5
Publisher Name: Springer, London
Print ISBN: 978-1-84882-774-5
Online ISBN: 978-1-84882-775-2
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