The design of the main use of lightweight car to complete the cleaning robot path planning in reality, detection by infrared detection head, can be self completed indoor cleaning line. The robot through the infrared probe sensing the environment information, the establishment of the coverage map of the environment, and in the process of movement on the map update. On the other hand, in order to ensure the complete coverage of all areas at the same time, reduce the duplication of coverage, improve work efficiency, this paper puts forward square, saw form covering algorithm and spiral coverage algorithm, the three algorithms do not need complicated mathematical calculation, to ensure the real time of the algorithm, which reduces the memory requirements, at the same time, the algorithm does not make the entire search space and avoid the defects of the traditional grid algorithm as the space enlarges the real-time rapid decline. This topic is in this context, research on the path to cover more ground area is more important. Cleaning robot path planning there are many difficulties in application and design, such as low coverage, high repetition rate, so that the work efficiency is not high, so the subject has practical significance.
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