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Abstract

This paper describes the work done on a project to employ knowledge-based techniques in the diagnosis of telemetry sensor errors in water supply and distribution networks.

A modem water supply system relies upon continuous monitoring of the water supply and distribution network in order to maintain efficiency. This monitoring is done by the use of remote sensors measuring system variables such as flow rates, pressures and pump statuses. The quality control of the information from these sensors is crucial to the operation of the network. Knowledge about the network and its operation can come from a variety of sources, both scientific and operational and so it is argued that a knowledge-based system approach was best for a system to control the quality of the telemetry data.

A number of techniques for sensor validation were investigated, including value-propagation, heuristic rules, outlier detection and model-based reasoning.

A prototype system using the G2 process control shell was developed and is described and the results of a test programme are discussed.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 17 KNOWLEDGE BASED SYSTEMS FOR CIVIL & STRUCTURAL ENGINEERING Edited by: B.H.V. Topping Paper VI.1 A Knowledge-Based System for the Quality Control of Telemetry Data in Water Distribution Networks P.J. Watts and B. Knight School of Mathematics, Statistics & Computing, The University of Greenwich, Woolwich, London, England doi:10.4203/ccp.17.6.1 purchase the full-text of this paper Full Bibliographic Reference for this paper P.J. Watts, B. Knight, "A Knowledge-Based System for the Quality Control of Telemetry Data in Water Distribution Networks", in B.H.V. Topping, (Editor), "Knowledge Based Systems for Civil & Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 135-143, 1993. doi:10.4203/ccp.17.6.1 Abstract This paper describes the work done on a project to employ knowledge-based techniques in the diagnosis of telemetry sensor errors in water supply and distribution networks. A modem water supply system relies upon continuous monitoring of the water supply and distribution network in order to maintain efficiency. This monitoring is done by the use of remote sensors measuring system variables such as flow rates, pressures and pump statuses. The quality control of the information from these sensors is crucial to the operation of the network. Knowledge about the network and its operation can come from a variety of sources, both scientific and operational and so it is argued that a knowledge-based system approach was best for a system to control the quality of the telemetry data. A number of techniques for sensor validation were investigated, including value-propagation, heuristic rules, outlier detection and model-based reasoning. A prototype system using the G2 process control shell was developed and is described and the results of a test programme are discussed. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £60 +P&P)
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