Research into navigation Algorithm for unmanned ground vehicle using Real Time Kinemtatic (RTK)-GPS

A navigation algorithm is very important on UGV. So, in this research, we propose the algorithm of navigation method by using RTK-GPS units and encoders. GPS systems sometimes lose their signals and receive inaccurate position data due to many factors, such as obstructions. This paper shows that GPS failure can be solved by using a DR navigation method with encoders and that position errors can be decreased by using RTK-GPS units. In addition to this method, new way point update algorithm and steering algorithm using RTK-GPS units will be introduced.