An small smart car system based on MCUSPCE061A and MCU 89S52 was presented. CCD camera wasused as its path recognition device to extract path informationthrough image recognition. Based on fuzzy strategy and theleast square method, two-dimensional information involvinggear angle between the car and the path were measured. ThenPD controller was implemented to adaptively control the DCmotor, which can guarantee the accurate path trace. Finally,experiment results show that the affectivity of the proposedsmall smart car.
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