Abstract

The optimization problem of an absolute radiometer’s timing parameters is investigated for comparison experiments of Total Solar Irradiance Monitor (TSIM). Comparison experiments were performed to establish the TSIM’s contact with other space radiometers for measuring total solar irradiance (TSI). Since the comparison experiments had to be performed on a tight schedule under the impact of weather conditions, the measurement parameters for the comparison experiments were selected carefully using optimized solutions of timing parameters. The optimized solutions were identified by a genetic algorithm (GA) based on a thermal model of an absolute radiometer. The thermal model includes terms of heat radiation, air conduction, etc. Fitness value function and constraints of GA are constructed using the thermal model. The experimental results indicate that the selected measurement parameters are sufficient to implement accurate calibration of TSI, providing more opportunities for solar observation.

© 2014 Optical Society of America

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