NASA NTRS · 19780000396
Detecting servo failures with software
Abstract
Program detects hardware failure in servosystems by comparing actual servo valve position with predictions of software model. In addition, system will also pick up most computer input/output failures. Process presents faster and more reliable results than previous failure detection methods.
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Lew, D., Quam, R.. 1979-01-01. Detecting servo failures with software. https://ntrs.nasa.gov/citations/19780000396
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