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Modeling method of functional health state of multi-process manufacturing system based on coupled operating factors

A technology for manufacturing systems and healthy states, applied in the direction of manufacturing computing systems, instruments, random CAD, etc., to achieve good manufacturability and scientific and reasonable modeling methods

Active Publication Date: 2022-07-15
BEIHANG UNIV
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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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  • Modeling method of functional health state of multi-process manufacturing system based on coupled operating factors
  • Modeling method of functional health state of multi-process manufacturing system based on coupled operating factors
  • Modeling method of functional health state of multi-process manufacturing system based on coupled operating factors

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Embodiment Construction

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

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

[0084] Step 1: Analyze the coupled 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 it is very easy to cause irresistible damage or dimensional deviation in the production process. When the defective workpiece causes the failure of the downstream machine, it will significantly affect the performance of the machine and reduce the output pass rate. . To compensate for the load pressure due to increased scrap, the machine can only operate at a higher level of production capacity. This series of coupling effe...

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Abstract

The invention provides a method for modeling the functional health status of a multi-process manufacturing system based on coupled operation factors. The specific steps are: 1. analyzing the coupled operation mechanism of the manufacturing system and its impact on functional health; 2. identifying user requirements and determining key quality Features; 3. Establish a machine reliability model under the continuous wear of the workpiece; 4. Analyze the task execution status of the machine and calculate the output pass rate of the workpiece; 5. Analyze the relationship between the processing capability of the machine and the sub-requirements of the process; Probability distribution of processing capability status; 7. Estimating the probability distribution of subtask requirements at various levels of the process; 8. Calculating the functional health status of each process; 9. Building a dynamic quantitative model of functional health of a multi-process manufacturing system. The method can more comprehensively and comprehensively evaluate the complex degradation mechanism of the multi-station manufacturing system, and has good application value in the production scheduling and predictive maintenance of the manufacturing system.

Description

technical field [0001] The invention provides a functional health state modeling method of a multi-process manufacturing system based on coupled 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 put forward 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 complex system with multi-state and multi-process. Continuous and stable output of highly reliable products is its core task and function. Therefore, assessing the health status of a manufacturing system is no longer the core of the fault diagnosis of the manufacturing equipment, but the realization of user value as the focus of the overall operati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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