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| Content Provider | IET Digital Library |
|---|---|
| Author | Xu, Liping Ma, Haoyi Ren, Dezhi |
| Abstract | In order to analyse the influence of different performance indexes on the working reliability of a tractor multi-way valve. The grey correlation theory is introduced into the reliability analysis of multi-way valves. Combined with the multi-way valve failure mode, the reliability index is proposed, and then a grey relational model and the reliability evaluation sequence of multi-way valves are established. The reliability of multi-way valve is analysed by traditional grey relational analysis and improved weighted grey correlation analysis, respectively. Although both methods produced the same optimal prototype, the dynamic identification coefficient introduced by the latter can effectively suppress the influence of singular values on the correlation sequence in the prototype sequence. The analysis process is simplified, and the accuracy of calculation is improved. Meanwhile, the identification degree of the sequence of the prototype is increased. In addition, the improved weighted grey relational analysis method uses the entropy weight method to assign weight coefficients. This method can reflect the influence degree of different sequence points on the overall correlation degree objectively and improve the reliability of the analysis results. Finally, the correctness of the optimal prototype is verified by comparing the experimental data. The reliability evaluation standard of the tractor multi-way valve is obtained. |
| Starting Page | 86 |
| Ending Page | 92 |
| Page Count | 7 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8985 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-19 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Analysis Process Analysis Result Combinatorial Mathematics Correlation Sequence Different Performance Indexes Entropy Entropy Weight Method Grey Correlation Analysis Grey Correlation Theory Grey Relational Model Grey System Improved Weighted Grey Relational Analysis Method Improved Weighted Grey Relational Method Multiway Valve Failure Mode Optimal Prototype Prototype Sequence Reliability Reliability Analysis Reliability Evaluation Sequence Reliability Evaluation Standard Reliability Index Tractor Multiway Valve Traditional Grey Relational Analysis Valves Working Reliability |
| Content Type | Text |
| Resource Type | Article |
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