Signal selection and fault detection apparatus

Details Signal selection and fault detection apparatus Signal selection and fault detection apparatus

1982-05-03

1984-09-18

Malzahn, David H.

Excavating

318564, G06F 1120

Patent

active

044728069

ABSTRACT:
Each of several redundant sensor signals is compensated with respect to a midvalue selected signal in equalizer circuitry. A midvalue selector selects the midvalue one of the compensated input signals. Fault detection circuitry identifies as a failure any compensated input signal which deviates from the midvalue selected signal by a specified limit and, in response thereto, insolates the identified signal and substitutes therefor as an input to the midvalue selector the selected midvalue signal.

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