复杂电子装备故障诊断建模方法研究

Modeling of Fault Diagnosis for Complex Electronic Equipments

针对复杂电子系统功能层次较明显的特点,结合多信号模型和相关矩阵的策略,提出了一种用于复杂电子装备的相关建模方法,该方法可高效灵活地构建复杂电子装备的故障诊断模型,能有效实现故障诊断率和故障隔离率,并在某微机系统测试中得到验证。该方法建模简单,诊断速度快,能适应复杂电子系统的故障诊断。

Aiming at the functional hierarchy of the complex electronic equipments, a new model was presented based on the multi - signal model and dependency matrix, which could design the model of fault diagnosis efficiently. Through a machine test, high fault detection rate and fault isolation rate can be obtained by this method. The method is proved to be simple and efficient and suitable for the fault diagnosis of complex electronic equipments.