With the development of flexible manufacturing systems, AGV has become an important part of the factory’s material management and transportation. Aiming at six-wheeled AGV path navigation problem, a kinematic model of the AGV was established. Then an incremental PID controller with distance deviation and angle deviation as inputs, difference of left and right wheel’s speed as output was designed. The error produced in the experiment and the measures to reduce the error were proposed. Experimental results verify the effectiveness of the method.