Implementation of DGPS system in the Guidance Robot for the Visually Impaired.

초록

In this paper, we implemented DGPS system that presume world(azonic, global) coordinates of a mobile robot for guiding the visually impaired, which derive the visually impaired to the destination safely and exactly. The implemented system is more exact than an original GPS system because it uses DGPS method, furthermore, the composition of this system is not only convenient for applying to a transfer robot but also easy for integrating to INS system which is necessary for GPS error compensation. This system includes DGPS receiver using DARC(DAta Radio Channel), which is integrated GPS receiver with FM receiver and PDA system that compensates GPS errors and displays the result.