Cross axis torque limiter for helicopter autopilot

Details Cross axis torque limiter for helicopter autopilot Cross axis torque limiter for helicopter autopilot

1983-05-06

1986-12-09

Chin, Gary

Boots, shoes, and leggings

364433, 244 1713, 244182, G06F 1550, G06G 778

Patent

active

046284559

ABSTRACT:
A helicopter flight control system employs coupled torque limiters in the rotor cyclic pitch axis and collective pitch axis for airspeed and vertical path control, respectively. When the collective torque limit is reached, the cyclic pitch axis is automatically transferred to favor vertical path control. A synchronizer circuit is provided for assuring smooth acceleration transition to reduce accrued airspeed errors when the engine torque limit is no longer commanded.

REFERENCES:
patent: 4004756 (1977-01-01), Gerstine et al.
patent: 4109886 (1978-08-01), Tribken et al.
patent: 4129275 (1978-12-01), Gerstine et al.
patent: 4168045 (1979-09-01), Wright et al.
patent: 4385356 (1983-05-01), Verzella et al.

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