... drivers and vehicles regardless to the height of masts, vehicle’s roof as well as intensity of illumination. Therefore, the drive could also reduced risk of damaging the load and the warehouse by ... leftturnediseelsteeringwhthewhenrLGrightturnediseelsteeringwhthewhenfLGF,,2(3) )200,0( cmLLfr<< Where: ),,,(4321 rrrrrLLLLMinL=, minimum value of distance information measured from an array of four sensors which are mounted on the ... accuracy of performances. The error is rapidly decreased from 20cm to 2cm in the case of the first subject. For the second subject, the errors of two modes are quite similar. However, the error of...