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The testability allocation is a very important work in the equipment demonstration and design stage. With the increase of equipment system integration and complexity, it is necessary to consider the influence of the integration to the testability index. This paper proposes a novel iterative allocation method based on system integration. Firstly, the allocation effect factor is quantified through considering...
For the crack intermittency detection in circuit board, a detection method based on time domain reflectometry is proposed. And a time domain signal feature is extracted, the time domain signal feature is highly sensitive to the defect. Firstly, in order to analyze the change trend of time domain signal under intermittent disconnection. The influence of conductor crack on the physical parameters is...
Fault injection is a major method applied in the testability verification, so the fault samples selection is a key factor to the confidence level of evaluation conclusion. There are some deficiencies in the exiting fault samples selection methods because of not considering the fault effect and fault rate varying. Aiming at the shortage of the existing fault samples selection method, a fault samples...
A new approach to select an optimal set of test points is proposed. The described method uses fault-wise table and multi-objective genetic algorithm to find the optimal set of test points. First, the fault-wise table is constructed whose entries are measurements associated with faults and test points. The problem of optimal test points selection is transformed to the selection of the columns that...
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