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0.26m,。The method for fuzzy control steering and the construction of fuzzy controller were described in detail at first. On a refitted storage battery car, an automatic navigation control system was developed with DGPS, digital compass and angle sensor. The construction and work principle of the navigation control system were introduced. Line path tracking and curve path tracking methods were brought forward. At last simulation was taken using kinematics of two-wheel vehicle, at the same time line path tracking and curve path tracking experiments were conducted. Results of simulation and experiments indicate that navigation control system can make the vehicle run following the predefined path. The lateral error is less than 0.19m when the car ran following the predefined line route, and the lateral error is less than 0.26m when the car ran following the predefined curve path.