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Manufacturing process reliability modeling method and device based on support vector machine

A support vector machine and manufacturing process technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of complex reliability determination process and low intelligence, and achieve reduced computational complexity and high computational efficiency. , to avoid the effect of repeated experiments

Pending Publication Date: 2021-12-10
WUHAN UNIV OF TECH
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Problems solved by technology

[0004] In view of this, it is necessary to provide a manufacturing process reliability modeling method and device based on support vector machines to overcome the problems of complex and low intelligence in the manufacturing process reliability judgment process in the prior art

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  • Manufacturing process reliability modeling method and device based on support vector machine
  • Manufacturing process reliability modeling method and device based on support vector machine
  • Manufacturing process reliability modeling method and device based on support vector machine

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Embodiment Construction

[0049] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.

[0050] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In the description of the present invention, reference to "an embodiment" means tha...

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Abstract

The invention relates to a manufacturing process reliability modeling method and a device based on a support vector machine. The method comprises the steps: obtaining a plurality of technological parameter groups containing marking information as the actual surface roughness of a workpiece in a turning technological process, and forming a sample training set; inputting the sample training set into a support vector machine model for training, and determining a support vector machine model which is completely trained; and inputting a plurality of randomly generated sampling parameter groups into the fully trained support vector machine model, and judging the reliability of the turning process according to the output workpiece prediction surface roughness. The method is high in practicability and easy to implement, the surface roughness and reliability in the manufacturing process can be effectively predicted, the calculation complexity is greatly reduced, compared with a traditional Monte Carlo method, the calculation efficiency is higher, and the calculation error is within an acceptable range.

Description

technical field [0001] The invention relates to the technical field of cylindrical turning manufacturing, in particular to a manufacturing process reliability modeling method and device based on a support vector machine. Background technique [0002] The titanium alloy impeller of the aero-engine is the core component of the aero-engine. Its shape and structure are very complex, the number is large and the size is different (length from 20mm to 800mm), and for difficult-to-machine materials such as titanium alloys, cutting The force is very large, and it is always in the harsh working environment of high temperature, high speed and cyclic load. If the impeller itself has quality defects, deformation, fracture and other failures, the consequences will be unimaginable. [0003] Due to the complexity of the manufacturing process, there are currently few studies on the reliability of the manufacturing process, especially the reliability of the manufacturing process of aero-engin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/15G06F30/17G06F30/27G06F119/02
CPCG06F30/15G06F30/17G06F30/27G06F2119/02
Inventor 庄可佳石振川翁剑张伟伟付昌妮
Owner WUHAN UNIV OF TECH
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