Spraying process optimization system based on digital twinning and spraying optimization method thereof

The invention relates to the technical field of spraying processes, and discloses a spraying process optimization system based on digital twinning and a spraying optimization method thereof. The system comprises an IMU inertial sensor module, a UWB wireless distance measurement sensor, a pair of temperature and humidity sensors, a flowmeter, and a plurality of RGB and structured light binocular cameras. The method comprises the following steps: constructing initial state digital twin bodies of a workpiece and a surrounding space, and updating the initial state digital twin bodies of the workpiece and the surrounding space in real time in a spraying process; constructing a digital twin body of a spray gun, and optimizing spraying parameters according to a spraying quality optimization objective function after spraying is completed; and applying a calculation result to positive feedback by utilizing an iterative optimization algorithm. Compared with the prior art, the method has the advantages that elements suc