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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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A generic sensor model for wastewater treatment plant control

Wade, M.J. and Katebi, M.R. (2002) A generic sensor model for wastewater treatment plant control. In: IEEE International Conference on Control Applications, 2002-09-18 - 2002-09-20.

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Abstract

This paper investigates the idea of creating a generic sensor model for low-level design and analysis by simulation in the wastewater treatment industry. Typical simulators disregard the need for accurate sensor models because measurement data is assumed to be an accurate representation of the real time situation. However, sensor measurements in the harsh wastewater environment are very prone to corruption and faults, which make the knowledge of their behaviour important for low-level control applications and, hence, sensor validation procedures are essential to ensure stable closed loop operation. An example of how the generic sensor model can be used to develop a dissolved oxygen (DO) sensor model is shown and a brief review of PCA for detecting faults in sensors is given. A comparison with a physical sensor is also provided.