LED lamp constant power output control system

The invention discloses a control system for constant power output of an LED lamp, relates to the technical field of light control, and effectively improves the accuracy of the brightness of the LED lamp. According to the invention, scene video data of each LED lamp and each scene assembly in an application scene at different moments are collected, a scene three-dimensional image model is established according to the scene video data, and the scene three-dimensional image model is divided into a plurality of scene sub-models; obtaining brightness values of all scene sub-models by analyzing color values of all model pixels in the scene three-dimensional image model at different moments, establishing a standard brightness value change curve, marking the standard brightness value change curve on the scene three-dimensional image model, setting a plurality of illumination periods, dividing the illumination periods into a plurality of illumination time periods, and obtaining a plurality of illumination time period