METHOD FOR CLEANING SENSOR, SENSOR CLEANING SYSTEM AND UNMANNED VEHICLE COMPRISING THE SAME

A method for cleaning a sensor, sensor cleaning system and an unmanned vehicle including the same is provided. The sensor cleaning system is included in the unmanned vehicle adapted to be designed for off-road driving and cleans a sensor in operation necessary for the driving of an unmanned vehicle. The sensor cleaning system includes i) a vehicle behavior detecting unit that continuously measures a pitch, roll, and vertical acceleration of the unmanned vehicle; ii) a detergent supply unit that intermittently supplies a detergent for cleaning the sensor when the pitch or the roll is changed from a negative value to a positive value within a predetermined time range and the vertical acceleration falls within a predetermined acceleration range; and iii) a detergent spray unit that is connected to the detergent supply unit and sprays the detergent onto the sensor for cleaning.