In this paper, a novel real-time fuzzy navigation algorithm of the off-road autonomous ground vehicle is presented. The navigator's goal is to direct the AGV safely, continuously and smoothly across nature terrain en route to a goal. The proposed navigator consists of two fuzzy controllers, the steering controller and the speed controller. These two controllers are designed separately by mimicking the human performances, yet they work collaboratively. Both the simulation and the demonstration of our AGV in the Grand Challenge 04 justify the performance of our navigator.
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