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Title: Quantitative Diagnosis of Continuous-Valued, Stead-State Systems
Authors: Rouquette, N.
Issue Date: Sep-1995
Citation: Goslar, Germany
Abstract: Quantitative diagnosis involves numerically estimating the values of unobservable parameters that best explain the observed parameter values. We consider quantitative diagnosis for continuous, lumped- parameter, steady-state physical systems because such models are easy to construct and the diagnosis problem is considerably simpler than that for corresponding dynamic models. To further tackle the difficulties of numerically inverting a simulation model to compute a diagnosis, we propose to decompose a physical system model in terms of feedback loops. This decomposition reduces the dimension of the problem and consequently decreases the diagnosis search space. We illustrate this approach on a model of thermal control system studied in earlier research.
Appears in Collections:JPL TRS 1992+

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