New Design of Line Maze Solving Robot with Speed Controller and Short Path Finder Algorithm

摘要

Line Maze Solving Robot is a modified line follower robot used to find the shortest path in a maze. The proposed algorithm, called Short Path Finder Algorithm, which consists of three modes, is implemented to the robot. Those modes are the search mode; the short path mode; and the return and path mode. An improved motor speed controller is applied to control the robot’s speed and to correct its movement so that it can follow the line. The controller is designed based on the PID one. The main parts of the robot are line sensors that detect the type and the shape of a line being passed, a minimum system of the Atmega32 Microcontroller which functions as a data processor and robot brain, a motor driver that serves as a supply of voltage to DC motors, and DC motors as a robot drive. Based on experiment results, the designed robot can find the fastest path from the finish to the starting line.