ault Detection in Systems with 2 nd Order Dynamics using Transient Analysis

José Vicente CalvanoVladimir Castro AlvesMarcelo Lubaszewski

This work proposes a transient analysis method for fault detection in systems with 2nd order dynamics using a functional fault model. The approach consider the system pole-zero configuration as its main characteristic and its correspondence with the peak time and the system overshoot is used in order to detect the faults. The input stimuli is a compact test vector which consists of a step, ramp or parabola. The results show that for this sort of circuits 100% of faults can be detected.

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