Apparatus for determining the groundspeed rate of an aircraft

Details Apparatus for determining the groundspeed rate of an aircraft Apparatus for determining the groundspeed rate of an aircraft

Filed on

1983-01-13

Date issued

1987-02-24

Examiner

Caldwell, Sr., John W.

Patent Class

Boots, shoes, and leggings

Other Related Categories

364566, 364565, 364440, 244182, 73488, 340978, G05D 108, G06F 1550, G01C 2110, G01C 2100

Type

Patent

Status

active

Patent number

046462430

Description

ABSTRACT:
Aircraft gyro (20, 22) signals .theta. and .phi., representative of pitch and roll attitude, respectively, and accelerometer (24, 26, 28) signals a.sub.x, a.sub.y, a.sub.z, representative of longitudinal, lateral, and normal acceleration, respectively, are processed (30, 32, 34, 36, 38, 40) to produce signals a.sub.GSLO, a.sub.GSLA, and a.sub.GSN, representative of the longitudinal, lateral, and normal groundspeed rate components, respectively. The component signals are summed (50) to produce a signal representative of total aircraft groundspeed rate.

REFERENCES:
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patent: 3080546 (1963-03-01), Deschamps et al.
patent: 3327972 (1967-06-01), Greene
patent: 3594553 (1971-07-01), McElroy
patent: 3654443 (1972-04-01), Dendy et al.
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patent: 3748900 (1973-07-01), Lindquist
patent: 3948096 (1976-04-01), Miller
patent: 3987988 (1976-10-01), Powell et al.
patent: 4021010 (1977-05-01), Bliss
patent: 4079905 (1978-03-01), Greene
patent: 4093158 (1978-06-01), Clews et al.
patent: 4095271 (1978-06-01), Muller
patent: 4106093 (1978-08-01), Grimm et al.
patent: 4106731 (1978-08-01), Bliss
patent: 4133503 (1979-01-01), Bliss
patent: 4280188 (1981-07-01), Weinstein et al.
patent: 4357663 (1982-11-01), Robbins et al.

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