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This paper proposes a robust fault detection observer based on zonotopes for discrete-time uncertain systems with sensor faults and unknown but bounded uncertainties. The main advantage of this method is that the observer gain of the robust zonotopic observer is designed to be robust against bounded uncertainties while being sensitive to faults. In order to detect sensor faults with low magnitudes,...
Test case prioritization can effectively reduce the cost of regression testing by executing test cases with respect to their contributions to testing goals. Previous research has proved that the Bayesian Networks based technique which uses source code change information, software quality metrics and test coverage data has better performance than those methods merely depending on only one of the items...
A novel fault detection and isolation scheme for a class of nonlinear systems is presented in this paper using fuzzy adaptive observer. First, the study assumes the physical process can be described by Takagi-Sugeno (T-S) fuzzy model. In the light of the T-S fuzzy model of the plant, the fuzzy observer comprises a number of locally linear observers and the final state estimate is a fuzzy fusion of...
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