Transfer learning-based satellite part temperature field determination method

Abstract

The invention discloses a transfer learning-based satellite part temperature field determination method. The method comprises the steps of establishing a simplified structure model of electronic partlayout; acquiring a plurality of electronic part layout schemes under a first grid scale and a first boundary condition, calculating corresponding temperature field distribution, and processing the schemes and the temperature field distribution into standardized data; constructing a deep learning model, and determining model parameters of the deep learning model by utilizing the standardized data;acquiring a plurality of electronic part layout schemes under different grid scales and different boundary conditions, calculating corresponding temperature field distribution, and processing the schemes and the temperature field distribution into standardized data; updating model parameters of the deep learning model by utilizing the standardized data; and inputting the electronic part layout scheme of the temperature field distribution to be calculated into the deep learning model to obtain the temperature field distribution. The method can achieve the quick obtaining of the temperature field distribution corresponding to the electronic assembly layout under different grid scales and different boundary conditions.

Description

technical field [0001] The invention relates to the technical field of satellite layout design, in particular to a method for determining the temperature field of satellite components based on migration learning. Background technique [0002] From mobile phones, TVs, cars in daily life, to satellites, tanks, drones, etc. The performance and life of each electronic component and the entire electronic device have a great impact. Because satellites operate in space, when there is a problem with the electronic equipment on the satellite, they cannot be repaired and replaced in time. In order to ensure that the satellite can run efficiently for a long time to perform tasks, the electronic equipment installed on the satellite is required to have better performance and more Long service life; for this reason, it is necessary to reasonably arrange the electronic components on the circuit board of the electronic equipment installed on the satellite to control the temperature field d...

AI Technical Summary

Problems solved by technology

However, when using the existing mathematical simulation method to calculate and determine the temperature field distribution of the circuit board corresponding to the layout of the electronic components, a large number of matrix calculations are required, and once the layout of the electronic components is changed, it is necessary to recalculate the temperature field distribution. Lead to low test efficiency and long test cycle

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