Automatic prediction and capture of a preselected altitude for a

Details Automatic prediction and capture of a preselected altitude for a Automatic prediction and capture of a preselected altitude for a

1983-03-17

1986-09-02

Krass, Errol A.

Boots, shoes, and leggings

244180, 318584, G05D 108

Patent

active

046099883

ABSTRACT:
An improved flight control system for initiating and thereafter controlling the automatic capture of a preselected altitude is described. At any point in the flight and in any autopilot pitch submode, the remaining time before an altitude capture is to commence is computed and used as a limiting signal such that the aircraft is precisely aligned with the commanded capture flight path when the capture maneuver commences thereby obviating mode to mode transients. The aircraft's altitude rate is continuously monitored during the capture maneuver and the flight path command is automatically altered between asymptotic and circular paths to assure that the acceleration normal to the flight path will not exceed a predetermined value while at the same time allowing a timely altitude capture.

REFERENCES:
patent: 3510092 (1970-05-01), Hendrick et al.
patent: 3545703 (1970-12-01), Doniger et al.
patent: 3604908 (1971-09-01), Loome et al.
patent: 3691356 (1972-09-01), Miller
patent: 3715718 (1973-02-01), Astengo
patent: 4019702 (1977-04-01), Annin
patent: 4114842 (1978-09-01), Hofferber et al.

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