Airspeed prediction filter

Details Airspeed prediction filter Airspeed prediction filter

1996-08-30

1997-11-18

Hofsass, Jeffery

Communications: electrical

Aircraft alarm or indicating systems

Nonalarm flight indicator

340969, G01C 2100

Patent

active

056892519

ABSTRACT:
An air data computer outputs a data stream indicative of measured airspeed of an aircraft, for use in generating a display of airspeed to a pilot. To correct for the inherent processing delay, a correction factor is added to the data stream, so that the display is more closely related to the actual airspeed of the aircraft at the time of the display. The correction factor can be calculated by determining the average rate of change of airspeed during a preceding time interval and multiplying the average rate of change by the processing delay.

REFERENCES:
patent: 4163387 (1979-08-01), Schroeder
patent: 5349347 (1994-09-01), Muller
patent: 5361065 (1994-11-01), Johnson et al.
patent: 5493293 (1996-02-01), Hansen et al.

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