Apparatus and methods for generating aircraft control commands u

Details Apparatus and methods for generating aircraft control commands u Apparatus and methods for generating aircraft control commands u

1985-11-26

1989-08-29

Tarcza, Thomas H.

Boots, shoes, and leggings

244180, G05D 108

Patent

active

048623725

ABSTRACT:
Altitude rate commands are generated and fed to an aircraft autopilot to cause the aircraft to transition to a non-level flight path which corresponds to a portion of a calculated flight path profile stored in a flight management computer. When capture of the non-level path is initiated, altitude rate commands are generated in accordance with the equation h.sub.cmd =h.sub.path +k.sub.h .DELTA.h where h.sub.path is the altitude rate of the non-level segment, .DELTA.h is an altitude difference between current aircraft altitude and an altitude point on the non-level segment, and k.sub.h is an altitude error gain which is a nonlinear inverse function of altitude rate error, .DELTA.h, and which is calcuated in accordance with the equation k.sub.h =k.sub.1 -k.sub.2 .vertline..DELTA.h.vertline. where k.sub.1 and k.sub.2 are predetermined constants.

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