Optically Based Position Location System for an Autonomous Guided Vehicle
Patent, filed 10 Jul 96, patented 22 Sep 98
DEPARTMENT OF THE NAVY WASHINGTON DC
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An optically based position location system, comprises multiple reflectors positioned at known locations in an environment a vehicle for traveling along a path in the environment a first sensor for generating and detecting a collimated and polarized first light signal reflected from one of the reflectors, and for generating a first output signal in response to detecting the first light signal a second sensor for generating and detecting a collimated and polarized second light signal reflected from the reflector reflecting the first light signal, and for generating a second output signal in response to detecting the second light signal and a data processor which uses the first and second output signals for determining the distance between a reference coordinate-on the vehicle and the reflector.
- Land and Riverine Navigation and Guidance