Research Article

Intelligent Monitoring and Predicting Output Power Losses of Solar Arrays Based on Particle Filtering

Table 1

Impact factors on SA output power.

Impact factorsMain relevant influencing factorsThe trend varying with the days of SA on-orbitThe relation to the output power

Solar sunlight intensity coefficientThe direction of the sun Trigonometric variation with a cycle of one year Impact factor determining the periodic change with a cycle of one year
Distance between the Earth and the Sun
Solar incident angleSolar incident angle

Attenuation factorParticle radiationExponential decayImpact factor determining the attenuation along with the number of days of SA in orbit
Ultraviolet irradiation
Micro meteoroid collision
Alternating between cold and hot
Space pollution to SA