News editors obtained the following quote from the background information suppli ed by the inventors:“With the development of science and technology, robots are playing increasingly important roles in ourlives. Household robots, in particu lar, help to free people from heavy housework. Cleaning robots arerelatively wi dely applicable and are therefore widely popular among users.“Existing cleaning robots can move autonomously, do not require manual direct co ntrol and operationsduring working, and further have functions such as path pla nning, automatic obstacle avoidance, humanmachineinteraction, and return for c harging, so that people’s daily ground cleaning requirements can bemet. When mo ving autonomously indoors, a cleaning robot uses a vacuum dust suction principle to cleana to-be-cleaned surface on which the cleaning robot has moved.”
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