Vehicle orientation calculating device

Details Vehicle orientation calculating device Vehicle orientation calculating device

1991-11-12

1994-08-09

Black, Thomas G.

Boots, shoes, and leggings

364457, 364450, 364454, 342457, 342357, G06G 778

Patent

active

053372433

ABSTRACT:
An object of the present invention is to provide precise calculation of a position and an orientation of a vehicle running or moving on route. Regarding the vehicle moving along a given route and with possible variations in the running orientation it is judged that the vehicle has moved substantially on a straight line when an integrated value of the orientation variations is smaller than a predetermined value. By obtaining a regression line of GPS receiving positions in the straight line, a precise orientation of the vehicle is obtained by adding a difference between the orientations of the straight line and the regression line to an original orientation of the vehicle.

REFERENCES:
patent: 4731613 (1988-03-01), Endo et al.
patent: 4743913 (1988-05-01), Takai
patent: 4819174 (1989-04-01), Furuno et al.
patent: 4837700 (1989-06-01), Ando et al.
patent: 4924402 (1990-05-01), Ando et al.
patent: 5058023 (1991-10-01), Kozikaro
patent: 5087919 (1992-02-01), Odagawa et al.
patent: 5117363 (1992-05-01), Akiyama et al.

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