Strapped-down inertial system for a vehicle

Details Strapped-down inertial system for a vehicle Strapped-down inertial system for a vehicle

1983-10-31

1986-04-15

Lall, Parshotam S.

Boots, shoes, and leggings

244 32, G01C 2118

Patent

active

045831785

ABSTRACT:
A strapped-down intertial system for a vehicle including computational means and a sensor package. The sensor package includes a first part (1) fixedly mounted on the vehicle, and a second part (5) which is rotatable about a first axis (Z). On the second part (5) are fixedly mounted gyroscopic means (13, 15) responsive to rotation about two axes, one of which is the first axis (Z), and accelerometer means (9, 11) responsive to acceleration along two axes, one of which is not the same as either of the two axes of the gyroscopic means (13, 15). The computational means is arranged to calculate the heading of the vehicle from the outputs of the gyroscopic means and accelerometer means taken with the first part (1) stationary, and the second part (5) successively in at least three different angular positions about the first axis (Z).

REFERENCES:
patent: 3260485 (1966-07-01), Lerman et al.
patent: 3310876 (1967-03-01), Yamron
patent: 3312423 (1967-04-01), Welch
patent: 3338166 (1967-08-01), Litman
patent: 3597598 (1971-08-01), McAllister et al.
patent: 3924824 (1975-12-01), Brodie et al.
patent: 4212443 (1980-07-01), Duncan et al.
"System Description and Performance Characteristics of a Quad Redundant Strapdown Inertial Navigation and Flight Control System" by P. J. Donoghue, IEEE Proceedings, Dayton, Ohio, May 1977.
"Leveling of Analytic Platforms" by F. Stanley, IEEE Transactions on Aerospace & Electronics Systems, vol. AE-5, No. 1, Jan. 1969.

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