Shutdown monitor for a helicopter pitch bias actuator

Details Shutdown monitor for a helicopter pitch bias actuator Shutdown monitor for a helicopter pitch bias actuator

1982-12-06

1985-07-09

Gruber, Felix D.

Boots, shoes, and leggings

244 1713, 244181, B64C 1134, G06F 1520

Patent

active

045286280

ABSTRACT:
An improved PBA shutdown monitor circuit senses collective pitch control position rate of change magnitude and inhibits PBA shutdown in response to the continuous presence of sensed magnitude within a range of selected collective pitch rate magnitudes bounded by a slow rate limit signal value and a fast rate limit signal value.

REFERENCES:
patent: 3201675 (1965-08-01), Curran et al.
patent: 3521838 (1970-07-01), Buffum et al.
patent: 4127245 (1978-11-01), Tefft et al.
patent: 4168045 (1979-09-01), Wright et al.
patent: 4330829 (1982-05-01), Fischer et al.
patent: 4354234 (1972-10-01), MacLennan et al.
patent: 4376979 (1983-03-01), Fowler et al.
patent: 4387430 (1983-06-01), Verzella et al.

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