System and method for locating a travelling vehicle

Details System and method for locating a travelling vehicle System and method for locating a travelling vehicle

1991-11-08

1994-02-01

Crosland, Donnie L.

Communications: electrical

Vehicle position indication

At remote location

340988, 340995, 36442401, 364449, 364443, 73178R, G08G 1123

Patent

active

052835758

ABSTRACT:
A vehicle navigation system helps locate the vehicle on a road network by overcoming, through the use of fuzzy logic, the errors of positioning sensors and routing computers. In the system, sensors continually feed position coordinates to a processing unit that traces the vehicle's path in a road database. Fuzzy logic-based reasoning is used to determine the most probable location of the vehicle, whether off- or on-road, thereby correcting errors in its raw path as sensed or computed.

REFERENCES:
patent: 4796189 (1989-01-01), Nakayama et al.
patent: 4924402 (1990-05-01), Ando et al.
patent: 4989151 (1991-01-01), Nuimura
patent: 5023798 (1991-06-01), Neukirchner et al.
patent: 5060162 (1991-10-01), Ueyama et al.
patent: 5101351 (1992-03-01), Hattori
IEEE Spectrum, "Fuzzy fundamentals", pp. 58-60, Oct. 1992.

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