Processing process adaptive control method based on digital twinning

Abstract

The invention relates to a processing process adaptive control method based on digital twinning. The method comprises the steps of constructing an instinct reaction mechanism in the manufacturing process of a digital twin processing system based on biological characteristics; real-timely detecting the signals in the manufacturing process of the digital twin processing system, and recognizing an abnormal signal through a neural network model; when the abnormal signal is recognized, generating a control action corresponding to the recognized abnormal signal according to the instinct reaction mechanism, and enabling the digital twin processing system to make a stress reaction according to the control action; based on the control action, determining a behavior anomaly type by adopting a graph structure algorithm; generating a control strategy according to the abnormal behavior type, so that the purposes that a machine is endowed with a human reaction thinking model, a system can sense variables and conduct corresponding control operation, are achieved, then real-time control is conducted on machining process states of different types and different conditions through a biological behavior mechanism, and the control efficiency and accuracy are improved.

Description

technical field [0001] The invention relates to the field of intelligent manufacturing control, in particular to a digital twin-based adaptive control method for a machining process. Background technique [0002] Manufacturing is an important means of improving living standards and improving national defense technology, and it is also the basis for promoting scientific research. It is a synthesis of multiple disciplines involving theoretical mechanics, materials science, heat transfer, processing technology, and design. It is a high-tech One of the richest fields. The advanced level of manufacturing technology and equipment not only reflects the degree of industrialization and high-tech development of a country, but also is one of the important symbols of the country's advanced level. [0003] The aerospace manufacturing industry is at the forefront of various manufacturing industries, and its level of development almost determines the development of a country's military an...

AI Technical Summary

Problems solved by technology

[0006] The digital twin system is a control system based on the fusion of simulation data and real-time data, especially the NC machining process, which is a multi-physics and multi-disciplinary coupling process. There are many information elements monitored by the twin system, so when the digital twin system feedbacks and controls the physical world , will face a variety of high-dimensional, large-scale data processing tasks, and its data analysis is relatively slow compared to the current control system

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