Digital twinning method and system for cutting operation production process of tunneling equipment

By constructing a digital twin 3D scene of the tunneling equipment using multi-source sensor data, the visualization and control of the cutting operation are realized. This solves the problems of insufficient reflection of the action mechanism of the cutting operation and optimization of control parameters in the existing technology, and improves the cutting efficiency and equipment reliability.

CN121364698AInactive Publication Date: 2026-01-20TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
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Patent Information

Application Number
CN202511936947.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-22
Publication Date
2026-01-20
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing digital twin technology for cutting operations of tunneling equipment fails to accurately reflect the equipment's operating mechanism, the position of the cutting drum relative to the coal wall, changes in the coal wall cross-section, and the equipment's health status. Furthermore, it fails to achieve optimal economic cutting control, affecting the reliability and lifespan of the cutting arm.

Method used

By acquiring information on the status of the cutting arm, the status of the drum, the pose and relative position of the machine body through multi-source sensor data, a digital twin 3D scene is constructed to realize the visualization and control of the cutting arm. Combined with the simulation model, the optimal cutting control parameters are obtained, faults are identified and the health status is assessed.

Benefits of technology

It enables visualization of the cutting operation process of tunneling equipment, improves cutting efficiency, ensures roadway standardization, and can identify faults and predict the health status of key components, thereby improving the reliability and lifespan of the cutting arm.

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Abstract

The invention provides a digital twinning method and system for a cutting operation production process of tunneling equipment. The method comprises the following steps: acquiring data such as a cutting roller track, a coal wall position, a cutting boundary and a cutting state based on multi-source sensing of a cutting arm and each moving part of the cutting arm; based on the multi-axis geometrical relationship, the control mechanism and the spatial position of the cutting arm, constructing a digital three-dimensional working scene of the cutting arm, the roadway and the cutting section of the cutting arm; the operation process, the motion trail and the boundary points of the cutting roller in the coal wall section are visually cut in the digital twinning process; on the basis of multi-source data perception, simulation and prediction, cutting roller boundary points are accurately obtained; on the basis of off-line simulation, different working environment data are applied in advance to obtain optimal control parameters; on the basis of online simulation, each control parameter is adjusted in real time to adapt to an uncertain working environment; the service life prediction of the cutting arm and key parts thereof is realized through multi-source data; by means of digital twinning, coal wall section cutting process visualization, cutting operation simulation, cutting part service life prediction and health diagnosis are achieved.
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