[Purposes]In order to effectively clean the stains attached to the ceiling,a ceiling cleaning de-vice based on ATRT(Air Trajectory Recognition Technology)is designed.[Methods]Based on the analysis of the working principle of the cleaning device,the three-dimensional structural model of the device is es-tablished,and the main components of the device are designed.The device integrates the driving layer,dirt collection layer,vacuum mechanical arm,infrared sensor top cover,core control box and air trajectory iden-tification system,which can automatically plan the trip,monitor and identify the operation picture in real time,and control the device to clean up.In order to judge whether the bottom plate of the designed cleaning device meets the strength requirements,the finite element analysis of the device bottom plate is carried out by using SolidWorks software.[Findings]The calculation results show that the strength of the designed bottom plate meets the use requirements and the design is reasonable.[Conclusions]The designed cleaning device has remarkable innovation and application prospects in automation,accurate positioning,intelligent obstacle avoidance,real-time monitoring,energy saving and environmental protection,which provides reference for the research and design of intelligent cleaning device.
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