Personalized lighting for open area

A controller for controlling the illuminance of a target area in a lighting system, wherein the lighting system comprises at least one light source and each of the at least one light source comprises a plurality of light modules, an output level of each of the plurality of light modules being adjustable independently, wherein different light modules within each of the at least one light source differ in terms of lighting direction, the controller configured to:

• select at least one light module, which is associated with the illuminance of the target area, from the at least one light source based on the position relationship between the at least one light source and the target area and a lighting distribution of each of the at least one light source that represents a light intensity of the light source in respective directions in a space;
• and
• adjust the output level of at least one of the selected at least one light module.

A lighting system comprising:

• at least one light source, each of the at least one light source comprising a plurality of light modules and an output value of each of the plurality of light modules being adjustable independently, wherein different light modules within each of the at least one light source differ in terms of lighting direction;
• and
• a controller configured to control illuminance of a target area in the lighting system by selecting at least one light module, which is associated with the illuminance of the target area, from the at least one light source based on the position relationship between the at least one light source and the target area and a lighting distribution of each of the at least one light source that represents a light intensity of the light source in respective directions in a space, and adjusting the output value of at least one of the selected at least one light module.