Patent ID: 8754589

Claim:
A method of providing variable lighting for an environment with a plurality of light-emitting diode (LED) light bars, the method comprising: A) powering the plurality of LED light bars with a power management unit in accordance with a set of stored rules, wherein the set of stored rules comprises at least one rule that provides a light level of the variable lighting corresponding to at least one condition of the environment; B) determining a temperature associated with at least one of the plurality of LED light bars; C) assessing the temperature according to the at least one rule in the set of stored rules; and D) adjusting a lighting power management parameter based on the assessment of the temperature according to the at least one rule and on a model of luminous efficacy of the plurality of LED light bars, the model of luminous efficacy representing a light output of the plurality of LED light bars as a function of input power and temperature.