Detection of the shot blasting vibration source by the blind source separation

Shanling Han; Wenzheng Dong; Kai Zhang; Long Chen; Yong Li

doi:10.1117/12.3009446

11 October 2023 Detection of the shot blasting vibration source by the blind source separation

Shanling Han, Wenzheng Dong, Kai Zhang, Long Chen, Yong Li

Proceedings Volume 12918, Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023); 129180R (2023) https://doi.org/10.1117/12.3009446
Event: International Conference on Computer Science and Communication Technology (ICCSCT 2023), 2023, Wuhan, China

Abstract

During operation, the shot blasting machine will generate a great deal of vibration and noise, which has a negative effect on both the staff’s working environment and the shot blasting machine’s ability to function normally. Therefore, this paper first performs a time-frequency analysis of the vibration signal obtained from the shot blasting shell and makes a preliminary determination that the shot blasting shell will be affected by various vibration sources. Then, based on the blind source separation technology, the time domain signal collected from the vibration sensor is transformed into a sparse signal by the Fast Fourier Transform (FFT). The analysis reveals that the motor vibration transmission and rotor imbalance are the shot blasting machine’s primary sources of vibration, with the impeller being the primary cause of rotor imbalance. Thus, noise reduction may be achieved by optimizing the impeller. The stability of the impeller will be increased, the noise of the shot blasting machine will be reduced, and the impact of the vibration of the shot blasting machine on the working and working environment of the shot blasting machine will effectively be reduced by adding alloy cobalt to the blades and some of the device groups to improve the comprehensive performance of the blades.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Shanling Han, Wenzheng Dong, Kai Zhang, Long Chen, and Yong Li "Detection of the shot blasting vibration source by the blind source separation", Proc. SPIE 12918, Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023), 129180R (11 October 2023); https://doi.org/10.1117/12.3009446

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KEYWORDS

Vibration

Sensors

Fourier transforms

Time-frequency analysis

Manufacturing

Matrices

Second-harmonic generation

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