Method for modeling hydraulic transmission system of vulcanizing machine based on Modelica

Abstract

The invention discloses a method for modeling a hydraulic transmission system of a vulcanizing machine based on Modelica. The method comprises the following steps: step I, carrying out modular decomposition on a transmission system of a tire vulcanizing machine according to engineering fields; step II, establishing a reusable hydraulic element base by use of a Modelica language; step III, establishing controller and motor simulation models of the hydraulic transmission system of the tire vulcanizing machine by use of the Modelica language, and carrying out modeling analysis; and step IV, carrying out curve fitting analysis on temperature measurement data of a hydraulic cylinder in modeling of a heat-transfer system, and carrying out periodic expansion on the temperature measurement data. According to the method for modeling the hydraulic transmission system of the vulcanizing machine based on Modelica, modular decomposition modeling is carried out on the tire vulcanizing machine with a modular modeling technology according to the engineering fields; the established model base has the characteristics of typicality, independence, universality and connectability; the problems of cross-disciplinary modeling and simulation of the hydraulic transmission system of the tire vulcanizing machine are solved through joint simulation debugging of simulation models in different fields.

Description

technical field [0001] The invention relates to a modeling method of a speed reducer, in particular to a modeling method of a hydraulic transmission system of a vulcanizing machine based on Modelica, and belongs to the technical field of speed reduction products. Background technique [0002] With the continuous development of computer technology, computer simulation has also made great progress. The simulation technology is based on computer hardware and corresponding software technology, using modern cybernetics and similarity principles as methods, and using system models to simulate imaginary or real situations. It is a comprehensive emerging technology that systematically conducts analytical or semi-physical mixed simulation test research; by using computer modeling and simulation technology, it can further reduce the test workload and the number of physical prototypes in the development stage, reduce research costs and improve the first pass rate of development; Using ...

AI Technical Summary

Problems solved by technology

[0002] With the continuous development of computer technology, computer simulation has also made great progress. The simulation technology is based on computer hardware and corresponding software technology, using modern cybernetics and similarity principles as methods, and using system models to simulate imaginary or real situations. It is a comprehensive emerging technology that systematically conducts analytical or semi-physical mixed simulation test research; by using computer modeling and simulation technology, it can further reduce the test workload and the number of physical prototypes in the development stage, reduce research costs and improve the first pass rate of development; Using the combination of modeling simulation technology and mathematical optimization design method, it is possible to find out the optimal system structure and parameters of the complex electromechanical system, and improve the system design level; the hydraulic tire curing press is a very important large-scale electromechanical equipment, the system integrates mechanical , hydraulic, electric control and thermal energy and other functional units in multiple disciplines, the interdisciplinary interaction will have a great impact on the final performance of the system. With the increasing complexity of system research, the traditional single engineering field The research and analysis tools for the problem are not up to the task