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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wu, Fu sen Huang, Yi jian Huang, Kai Xu, Shan |
| Copyright Year | 2012 |
| Abstract | In order to improve the screening efficiency of vibrating screen and make vibration process smooth, a new type of magnetorheological (MR) damper was proposed. The signals of displacement in the vibration process during the test were collected. The trispectrum model of autoregressive (AR) time series was built and the correlation dimension was used to quantify the fractal characteristics during the vibration process. The result shows that, in different working conditions, trispectrum slices are applied to obtaining the information of non-Gaussian, nonlinear amplitude-frequency characteristics of the signal. Besides, there is correlation between the correlation dimension of vibration signal and trispectrum slices, which is very important to select the optimum working parameters of the MR damper and vibrating screen. And in the experimental conditions, it is found that when the working current of MR damper is 2 A and the rotation speed of vibration motor is 800 r/min, the vibration screen reaches its maximum screening efficiency. |
| Starting Page | 1832 |
| Ending Page | 1838 |
| Page Count | 7 |
| File Format | |
| ISSN | 20952899 |
| Journal | Journal of Central South University of Technology |
| Volume Number | 19 |
| Issue Number | 7 |
| e-ISSN | 22275223 |
| Language | English |
| Publisher | Central South University |
| Publisher Date | 2012-07-01 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | screening efficiency vibration screen magnetorheological (MR) damper autoregressive (AR) time series trispectrum slices correlation dimension Metallic Materials Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Metals and Alloys Engineering |
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