Method and device for evaluating health status of equipment components
A technology for equipment components and health status, which is applied in the field of assessment of the health status of equipment components, can solve problems such as the failure to accurately reflect the probability of failure of system equipment components, the real health status of system equipment components, and a single evaluation index, and the method is simple. , the effect of accurate health status
Active Publication Date: 2021-02-19
CRRC IND INST CO LTD +1
View PDF14 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004] The above-mentioned method for evaluating the health status of system equipment components based on a single decision engine has a single evaluation index, and the evaluation results obtained cannot accurately reflect the probability of failure of system equipment components and the real health status of system equipment components.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0026] The health status assessment methods of equipment components based on real-time monitoring quantities in the prior art are generally based on the health assessment of system equipment components with a single decision engine (such as a single real-time status monitoring quantity such as temperature and vibration signal). The analysis is oft...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
Embodiments of the present invention provide a method and device for evaluating the health status of equipment components. Among them, the above method includes obtaining the component failure probability corresponding to each decision engine based on the maximum deviation value between the actual monitoring value corresponding to each decision engine and the normal value and the failure probability diagnosis model; Based on the initial confidence level corresponding to each decision engine, the component failure confidence probability corresponding to each decision engine is obtained; based on the confidence probability of all component failures, the overall failure probability of the component is obtained. The method and device for assessing the health status of equipment components provided by the embodiments of the present invention determine different initial confidence levels through each decision engine and the degree to which each decision engine affects the overall failure probability of the components, so as to obtain the reasonable allocation of different component failure confidences probability, so as to obtain a more accurate overall failure probability of components and the real health status of equipment components, the method is simple and effective.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of component fault diagnosis, and in particular, to a method and device for evaluating the health status of equipment components. Background technique [0002] The current health status assessment of equipment components generally includes health status assessment methods based on historical failure rate statistics of similar equipment and equipment component health status assessment methods based on real-time monitoring quantities. Long-term studies have found that equipment operation and maintenance costs are mainly due to unexpected equipment shutdowns and redundant maintenance work. Studies have shown that the failure symptoms of mechanical equipment and electrical equipment components are often pre-existing, so the health status assessment method of equipment components based on real-time monitoring data is more valuable than the health status assessment method based on historical ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02G01D21/02
Inventor 齐洪峰周一青孙梅玉李明高孙帮成王坚戴毅茹
Owner CRRC IND INST CO LTD