Machining process dynamic evaluation method based on digital twin

An evaluation method and data dynamic technology, applied in data processing applications, instruments, resources, etc., can solve the problems of processing state data matching, difficult results, difficult to adapt to processing state, etc., and achieve the effect of improving efficiency and effectiveness

Inactive Publication Date: 2019-03-19
JIANGSU UNIV OF SCI & TECH
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Problems solved by technology

Combining process models and process knowledge to achieve process evaluation is the most widely used method. Based on ideal processing conditions and process equipment, optimal processing parameters can be obtained. However, the obtained optimal parameters are difficult to adapt to actual processing conditions, such as tool The wear condition of the machine tool, the stability of the machine tool, etc

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  • Machining process dynamic evaluation method based on digital twin
  • Machining process dynamic evaluation method based on digital twin
  • Machining process dynamic evaluation method based on digital twin

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Embodiment Construction

[0026] The present invention provides a digital twin-based machining process evaluation process that is mainly divided into three levels:

[0027] (1) Data acquisition layer: this layer mainly realizes the acquisition, organization and management of processing data by creating a real-time perception framework of processing data;

[0028] (2) Data analysis layer: Drive the digital twin process model according to the acquired processing process data to achieve the processing process of the simulated parts. This layer mainly creates a digital twin process evaluation framework;

[0029] (3) Data decision-making layer: based on the process evaluation rules, the process route and process parameters are dynamically evaluated. This layer is mainly based on the twin data to realize the dynamic evaluation of the process.

[0030] like figure 1 As shown, the specific steps of the dynamic evaluation method of machining process driven by digital twins in the present invention are as follo...

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Abstract

The invention discloses a machining process dynamic evaluation method based on digital twin. According to the technical scheme; perceptual data in the machining process are obtained and mapped and fused with process evaluation data to form twinning data, a dynamic evaluation method of the machining process is established, an evaluation result is output, dynamic adjustment of the machining processis achieved, the purpose of improving the reuse effectiveness of process knowledge is achieved, and technical support is provided for intelligent design of the machining process.

Description

technical field [0001] The invention relates to a dynamic evaluation method of machining process, in particular to a dynamic evaluation method of machining process based on digital twin. Background technique [0002] Computer-aided process planning is one of the key technologies for enterprises to improve their core competitiveness, and it is a bridge between product design and manufacturing. In order to meet the 3D processing environment, 3D process planning technology based on model definition technology has been applied. With the rapid development of information technology (Internet of Things, big data, cloud computing, etc.), computer-aided process planning technology is facing severe challenges. Intelligent process design has become an inevitable trend of process planning and an inevitable product of the development requirements of intelligent manufacturing. [0003] However, with the continuous change of process requirements and dynamic changes of process equipment, ...

Claims

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Application Information

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IPC IPC(8): G06Q10/06
CPCG06Q10/0639
Inventor 刘金锋景旭文周宏根田桂中李磊冯丰曹利平陈聪朱钰萍赵鹏
Owner JIANGSU UNIV OF SCI & TECH
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