Performance health evaluation method and performance health evaluation system for cutterhead of shield tunneling machine

Abstract

The invention provides a performance health evaluation method for the cutterhead of a shield tunneling machine. The method comprises the following steps of data acquiring and processing step: the original state variables of the shield tunneling machine in the operation process are acquired and processed, and a state variable data set is obtained; feature processing step: the state variable data set is subjected to feature processing and then a feature evaluation vector is obtained; health evaluating step: the corresponding state evaluation and the performance prediction on the health state ofthe cutterhead are carried out according to the feature evaluation vector, and then the health index of the cutterhead is provided. Correspondingly, the invention further provides a health evaluationsystem for the cutterhead of the shield tunneling machine. In the traditional method, the features of a rock stratum and the abrasion features of the research cutterhead are all based on certain assumptions. However, according to the above method, the modeling is carried out based on the actual sensor data features of the shield tunneling machine, so that the result of the method is closer to theactual situation. The prediction result of the method is more accurate.

Description

technical field [0001] The present invention relates to the technical field of shield machine health assessment, in particular to a shield machine cutter head performance health assessment method and system. Background technique [0002] Shield machine, the full name is shield tunnel boring machine, is a kind of special engineering machinery for tunnel boring. Modern shield boring machine integrates light, machinery, electricity, hydraulic, sensing and information technology, and has the ability to excavate and cut soil. body, transportation of soil muck, assembly of tunnel lining, measurement guidance and deviation correction and other functions, involving geology, civil engineering, machinery, mechanics, hydraulics, electricity, control, measurement and other disciplines and technologies, and "tailor-made" according to different geology Designed and manufactured with extremely high reliability requirements. [0003] The cutter head is an important part of the shield machi...

AI Technical Summary

Problems solved by technology

The shield machine is a large-scale construction equipment integrating machinery, electronics, electricity, and hydraulic pressure. It has a complex structure, harsh construction environment on site, and long-term uninterrupted operation. , maintenance is extremely difficult, and often seriously affects the construction period of the project

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