An illuminance ratio model based on a luminance transfer function matrix
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Abstract:
An illuminance ratio model of both single and multiple sources was proposed. The model tried to compensate for a lighting dimming system acting incorrectly as a result of an illuminance sensor aimed at a workplace sheltered by paper or a human body. The method was based on a luminance transfer function matrix, and the model parameters were estimated via the least squares method. Simulated and experimental results show the illuminance calculated using the model is consistent with the actual situation. The illuminance sensor setting based on this model can not only reduce difficulties associated with laying lines, but also avoid incorrect action caused by the illuminance sensor aimed at a workplace sheltered by paper or a human body. This research serves as a reference for the design of lighting dimming systems.
