Description: Path tracking control of robot visual navigation, one of the basic technology, in order to guide the robot along the ground color line autonomous movement, and offline in a timely manner after the implementation of auto-return mission, a programmable logic device to use (CPLD) realize the visual servoing PID control methods. By using image feature tracking their feedback via real-time identification and tracking. The simulation results show that the method improves the real-time control algorithms, and enhance the mobile robot path tracking accuracy and speed.
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