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Multi-process manufacturing system functional health state modeling method based on coupling operation factors

A technology for manufacturing systems and health status, applied in manufacturing computing systems, instruments, random CAD, etc.

Active Publication Date: 2021-05-18
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The above-mentioned complex coupling effect is rarely fully considered in research, but it is an objective phenomenon in the real production process

Method used

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  • Multi-process manufacturing system functional health state modeling method based on coupling operation factors
  • Multi-process manufacturing system functional health state modeling method based on coupling operation factors
  • Multi-process manufacturing system functional health state modeling method based on coupling operation factors

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Embodiment Construction

[0082] The present invention will be described in further detail below in conjunction with accompanying drawings and examples.

[0083] The present invention is a multi-process manufacturing system functional health state modeling method based on coupling operation factors, see figure 1 As shown, the steps are as follows

[0084] Step 1 Analyze the coupling operation mechanism of a ferrite phase shifting unit manufacturing system and its impact on functional health, such as figure 2 shown. The fragility of the ferrite phase shifting unit itself means that irresistible damage or dimensional deviation is very easy to occur during the production process. When a defective workpiece causes a failure of a downstream machine, it will significantly affect the machine performance and reduce the output pass rate . To compensate for the load pressure caused by increased scrap, the machines had to be run at higher levels of production capacity. This series of coupling effects is not ...

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Abstract

The invention provides a multi-process manufacturing system functional health state modeling method based on coupling operation factors. The method comprises the specific steps: 1, analyzing the coupling operation mechanism of a manufacturing system and the influence on function health; 2, identifying user requirements and determining key quality features; 3, establishing a machine reliability model under continuous wear of the workpiece; 4, analyzing the task execution state of the machine and calculating the workpiece output qualified rate; 5, analyzing the relationship between the processing capacity of the machine and the process sub-demand; 6, analyzing the probability distribution of the processing capability state based on the machine fault; 7, estimating the probability distribution of each level of subtask demand of the process; 8, calculating the functional health state of each process; and 9, constructing a functional health dynamic quantitative model of the multi-process manufacturing system. According to the method, the complex degradation mechanism of the multi-station manufacturing system can be evaluated more comprehensively and comprehensively, and the method has good use value in production scheduling and predictive maintenance of the manufacturing system.

Description

technical field [0001] The invention provides a multi-process manufacturing system functional health state modeling method based on coupling operation factors, which belongs to the technical field of system health state analysis and modeling. Background technique [0002] With the maturity of big data and digital modeling technology, a series of plans such as German Industry 4.0 have been proposed one after another, injecting vitality into the rapid development of the manufacturing industry. The improvement of intelligence has increased the complexity of the manufacturing system. The modern manufacturing system is a typical multi-state and multi-process complex system. Continuous and stable output of highly reliable products is its core task and function. Therefore, the evaluation of the health status of the manufacturing system is no longer centered on the fault diagnosis of manufacturing equipment, but the realization of user value as the focus of the overall operation. T...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04G06Q10/06G06Q50/04G06F111/08G06F119/02G06F119/18
CPCG06F30/20G06Q10/04G06Q10/06315G06Q10/06395G06Q50/04G06F2111/08G06F2119/02G06F2119/18Y02P90/80
Inventor 何益海李尧王文卓张安琪杨秀珍
Owner BEIHANG UNIV
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