Mechanical refrigerator temperature control system simulation analysis method

Abstract

The invention discloses a mechanical refrigerator temperature control system simulation analysis method. The method comprises the following steps that (1) completing independent accurate modeling of all parts in a system in multi-physical-domain simulation platform software, motor design software and control system software; (2) integrating all independent modules in the multi-physical-domain simulation platform software, completing the construction of the whole system, realizing the joint simulation, obtaining a simulation experiment result, and comparing the simulation experiment result withan actual measurement result; And (3) carrying out temperature control principle analysis on the whole system. Actual measurement proves that when the temperature control effect of the mechanical refrigerator is analyzed, compared with an empirical method and a simple formula calculation method for temperature control analysis, the method has good convenience and an accurate simulation result.

Description

technical field [0001] The invention relates to an analysis method for multi-physics domain joint simulation combined with multi-physics domain simulation platform software, motor design simulation software and control system simulation software, in particular to a system-level simulation analysis method for temperature control of a mechanical refrigerator. Background technique [0002] With the rapid development of contemporary science and technology, people's exploration of space technology has become more and more in-depth, and the requirements for the working environment of space equipment have become more stringent. Mechanical refrigeration technology has emerged as the times require. With the advantages of high cooling temperature, rapid cooling, wide range of use and high stability, it has been widely used in space infrared detection technology. Taking its application in infrared cameras as an example, the camera is very sensitive to changes in ambient temperature. Wh...

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Problems solved by technology

[0005] The purpose of the present invention is to address the defects of the existing mechanical refrigerator temperature control simulation method, and propose a multi-physics-domain joint simulation platform software, and simultaneously perform joint simulation with the motor design simulation software and the control system simulation software, to build a mechanical refrigerator temperature control simulation platform software. The control system simulation platform provides a comprehensive reference for the design of the mechanical refrigerator temperature control system, including the drive circuit and refrigerator components

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