Abstract
In this paper, a model-based leak detection methodology for fluid pumping systems is developed. The novelty of this approach lies in modelling the leak position as a point between a real and an imaginary valve. The equations that describe the resulting dynamic system are then put into an input-output form suitable for least squares estimation. In this way, classic parameter-estimation based detection methods are applied to moving windows of system data. Computer simulation illustrates the feasibility of the method.
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