Solar full-automatic high-precision tracking closed-loop control method

Abstract

The invention discloses a solar full-automatic high-precision tracking closed-loop control method. The problem that an existing solar tracking system is low in tracking precision is solved. The methodcomprises the steps of conducting parameter initialization processing on a solar automatic tracking device system; detecting the azimuth angle and the pitch angle of the sun, and detecting the azimuth angle and the pitch angle of the tracking device; calculating an azimuth angle error and a pitch angle error; respectively solving an azimuth angle error variable, a pitch angle error variable, an azimuth angle error change variable and a pitch angle error change variable in the variable domain space; calculating change factors of the four variables; calculating the variable domain ranges of thevariable domain spaces of the four variables; determining expressions of four variables in the new variable domain space; performing self-adaptive regulation and control on the control rules of the azimuth angle and the pitch angle of the new variable domain space; calculating azimuth angle and pitch angle output semaphore of the new variable domain space; and controlling the motor to rotate by acorresponding corner. The invention has the beneficial effect that the energy conversion efficiency of the solar system can be further improved.

Description

technical field [0001] The invention relates to the technical field of solar tracking control, in particular to a solar energy full-automatic high-precision tracking closed-loop control method. Background technique [0002] With the development of society, energy saving and emission reduction has become a concern of people. As a new green energy, solar energy is being developed and applied rapidly, especially in remote areas where there is no power facility or power lines are difficult to reach. Using solar energy to generate electricity becomes extremely important. [0003] Due to the movement of the sun relative to the earth, the sunlight irradiated on the fixed photovoltaic panel has different incident angles at different times of the day or at different times of the year. Such incident light reduces the collection efficiency of the solar panel and reduces the amount of electricity generated by the solar panel. Since the collected solar energy is proportional to the cos...

AI Technical Summary

Problems solved by technology

[0005] Most of the photoelectric sensors of traditional solar automatic tracking devices and methods adopt traditional structures, and the detection range is small, which is prone to tracking loss and misoperation. The tracking control system calculates the deviation of the sun angle according to the projection of light, and the angle error is large, and the tracking accuracy is low. Can not well meet the accuracy requirements of the solar tracking control system

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