Progress in sensor technology - progress in process control? Part I: Sensor property investigation and classification

Water Science and Technology - Tập 47 Số 2 - Trang 103-112 - 2003
Leiv Rieger1, J. Alex2, Stefanie Winkler3, M. Boehler1, Michael Thomann1, Hansruedi Siegrist1
1EAWAG, Swiss Federal Institute for Environmental Science and Technology, Ueberlandstrasse 133, PO Box 611, 8600 Duebendorf, Switzerland (E-mail: [email protected])
2ifak, Institute for Automation and Communication, Steinfeldstrasse, 39179 Barleben, Germany (E-mail: [email protected])
3Institute of Water Quality and Waste Management, Vienna University of Technology, A - 1040 Vienna, Karlsplatz 13/E 226, Austria (E-mail: [email protected])

Tóm tắt

To ensure correctly operating control systems, the measurement and control equipment in WWTPs must be mutually consistent. The dynamic simulation of activated sludge systems could offer a suitable tool for designing and optimising control strategies. Ideal or simplified sensor models represent a limiting factor for comparability with field applications. More realistic sensor models are therefore required. Two groups of sensor models are proposed on the basis of field and laboratory tests: one for specific sensors and another for a classification of sensor types to be used with the COST simulation benchmark environment. This should lead to a more realistic test environment and allow control engineers to define the requirements of the measuring equipment as a function of the selected control strategy.

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