Mathematical models of sunlight for dynamic lighting systems of agricultural objects

A promising method for illuminating agricultural objects is dynamic lighting with a change in the luminous flux and correlated color temperature of artificial optical radiation sources adapted to the natural dynamics of sunlight. The purpose of this study is to develop mathematical models of changes in illumination on the control surface and correlated color temperature of natural solar radiation during the day. The experimental method established a linear relationship between the correlated color temperature of sunlight and the surface illumination in the direction of the Sun. The regularity of time changes in the height of the Sun above the horizon was determined. The functional dependence of illumination on the height of the Sun above the horizon was revealed. The equations can be used to control artificial light sources in the systems of dynamic illumination of agricultural objects in order to increase the productivity of animals.