Visual anti-swing system and method for lifting appliance

The invention discloses a visual anti-swing system and method for a lifting appliance. The system comprises a camera, a visual anti-swing module, a programmable controller, a servo motor, the lifting appliance and an electrical control module; the programmable controller is used for acquiring position information of the lifting appliance and controlling the servo motor to adjust the lifting appliance state of the lifting appliance according to an anti-swing instruction of the visual anti-swing module; the camera is fixedly arranged right above the lifting appliance, a lens of the camera is vertically arranged downwards, and the center of the lens is aligned to the center of the lifting appliance; the camera is used for acquiring image information containing a hoisted object; and the visual anti-swing module is used for acquiring the swing deviation of the hoisted object from images acquired by the camera and generating the anti-swing instruction according to the swing deviation. The system is suitable for a b