Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features
Patent
1978-03-27
1980-06-24
Truhe, J. V.
Electricity: motive power systems
Positional servo systems
With protective or reliability increasing features
318565, 244194, G05B 903
Patent
active
042097347
ABSTRACT:
Apparatus for controlling channel equalization in a monitored dual servo channel aircraft automatic flight control system, in which the limits of the equalization control are responsive to the commanded input signal to the control surface. Rate feedback means responsive to the output velocity of each channel are differentially summed and integrated to provide the signals for equalizing the dual servo channels. Limiter means responsive to the commanded input signal varies the limits of the equalization signals to allow very tight error detection thresholds of the system monitor without causing nuisance trips in situations where the system's normal tolerances are large.
REFERENCES:
patent: 3125712 (1964-03-01), Meredith
patent: 4035705 (1977-07-01), Miller
patent: 4079906 (1978-03-01), Durandeau et al.
patent: 4094481 (1978-06-01), DeWalt
Indyk Eugene S.
Sperry Corporation
Terry Howard P.
Truhe J. V.
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