Belt Brush Type Wet and Dry Surfaces Cleaning Robot with Hot Air Drier System

This paper designs and presents an autonomous floor-cleaning robot comprising a chassis, driving system, belt brush type dry and wet cleaning unit, and a hot air drier unit on the back side of the robot to dry the surface after the wet cleaning operation. The chassis of the robot is made up of an acrylic sheet with a circular shape. The various electronic parts of a robot, like batteries, sensors, motors, motor drivers, and microcontroller, are equipped on the chassis. The driving system is mounted below the base plate of the chassis and comprises a caster wheel and two powered wheels. The long-size belt brush-type dry cleaning is designed, which helps the robot accumulate all the dust and waste particles onto the central portion below the chassis so that the particles can be sucked into a dry waste container by a vacuum system. Similarly, the belt brush-type arrangement is used in a wet cleaning unit also that works like a rectangular mopping system and provides a maximum contact area than the existing roller-type cleaning brush. Moreover, the water is supplied in the wet cleaning belt through the pipe connected to the water container. After wet cleaning, the hot air drier unit comes into action and dries the wet floor. The SLAM (Simultaneous Localization and Mapping) method and LiDAR (Light Detection and Ranging) sensor are attached to the robot to map the environment and determine the navigation path with obstacles detection and avoidance during the cleaning process. Further, an experimental study demonstrates that the robot successfully performs the cleaning process without human intervention and extra waiting time post the cleaning operation.