Board level circuit testing model automatic generation method
A board-level circuit, automatic generation technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems affecting the accuracy of fault isolation rate, large workload, high error rate, etc., to save manpower and Time spent, reduced number of cross-connections, easy to observe the effect of analysis
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[0049] Example
[0050] The method for automatically generating a testability model of a board-level circuit of the present invention includes the following steps:
[0051] Step 1: Obtain board-level circuit information;
[0052] The board-level circuit consists of multiple circuit boards connected together. Each circuit board can contain multiple failure modes, and each failure mode is defined as a failure module of the circuit board. The board-level circuit testability models are composed of modules and their connection methods. The modules include fault modules and measuring point modules. The information required for the generation of the board-level circuit testability model includes the information of each layer of the circuit board, the fault attributes of the faulty modules contained in each layer of the circuit board, the test attributes of the test point modules, and the directional propagation relationship between the faulty modules. The fault attributes of a faulty mod...
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