Method and system for asset localization, performance assessment, and fault detection

A system, configured to analyze the output of one or more lighting units, in a lighting system for fault detection, the system comprising:

• a historical database comprising historical observed data about the output of the one or more lighting units, the historical observed data comprising illuminance data;
• a photometric database comprising photometric information about the one or more lighting units;
• a simulation module configured to simulate, based on the data from the photometric database, the output of the one or more lighting units;
• a training module configured to generate a model of the lighting system based at least in part on the simulated output of the one or more lighting units and the historical observed data about the output of the one or more lighting units, wherein the model comprises localization information for the one or more lighting units;
• and
• an assessment module configured to compare received observed data to the generated model, wherein a fault is detected if the received observed data for one or more of the lighting units varies from the generated model for that lighting unit by a predetermined amount.