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A digital-signal-processor-based measurement system for on-line fault detection

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3 Author(s)
Baccigalupi, A. ; Dipt. di Inf. e Sistemistica, Naples Univ., Italy ; Bernieri, A. ; Pietrosanto, A.

This paper deals with the design, construction, and setting up of a measurement apparatus, based on an architecture using two parallel digital signal processors (DSP's), for on-line fault detection in electric and electronic devices. In the proposed architecture, the first DSP monitors a device output on-line in order to detect faults, whereas the second DSP estimates and updates the system-model parameters in real-time in order to track their eventual drifts. The problems which arose when the proposed apparatus was applied to a single-phase inverter are discussed, and some of the experimental results obtained in fault and nonfault conditions are reported

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Instrumentation and Measurement, IEEE Transactions on  (Volume:46 ,  Issue: 3 )