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In this paper, an agile fault injection method by means of discretional fault mode is introduced, in order to go over the localization of the conventional fault injection method based on the hardware, and to offer a new means that is used to validate the testability indexes of PHM system. After describing the basic principle of such method, this paper discusses universal elements and groupware modeling,...
The circuit fault injection based on EDA simulation is one of the efficient methods of testability analysis. In order to implement fault simulation, the first step is to establish the models that reflect the function or fault modes appropriately. Considering the various components of number systems in PHM system, although the prevalent software contains parts libraries, the symbols in the libraries...
In this paper, the significance and practicability of the fault injection system applied to laboratory's test validation of fault detection rate (FDR) and fault isolation rate (FIR), is illustrated. Then, this system's hardware design, software design and its realization means are introduced. Finally, by testing this system aimed at some missile's subsystem, the flow, the result and its analysis of...
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