초록 ▼

A vehicle guidance and control system has a number of trucks whose movement is controlled by a base station. Each truck periodically fixes its own position in relation to marker boards consisting of patterns of reflective coded stripes by scanning a narrow laser beam in a predetermined direction acr

A vehicle guidance and control system has a number of trucks whose movement is controlled by a base station. Each truck periodically fixes its own position in relation to marker boards consisting of patterns of reflective coded stripes by scanning a narrow laser beam in a predetermined direction across the stripes. Using at least two boards its position can be determined by triangulation, and because the beam scans in a fixed direction, the positional accuracy can be determined by a particular stripe or edge of a stripe, and not by the size of a marker board as a whole.

대표청구항 ▼

A vehicle guidance and control system including a vehicle having motive power and steering and means for transmitting a directional laser beam which is scanned in a predetermined sense; a plurality of reflectors spaced apart from each other, each reflector incorporating an optical code which identif

A vehicle guidance and control system including a vehicle having motive power and steering and means for transmitting a directional laser beam which is scanned in a predetermined sense; a plurality of reflectors spaced apart from each other, each reflector incorporating an optical code which identifies that reflector, and each reflector being located to intercept said laser beam; and means utilising light reflected back to said vehicle by at least two reflectors for controlling the movement and heading of the said vehicle.