Abstract
By taking into account the hits-density imaging technique that has been introduced by authors’ previous publications, the acoustic emission bursts emitted from the automatic-gauge-control hydraulic cylinder under normal loading and early-stage vibration were investigated. First, six acoustic emission descriptors that showed significance regarding the cumulative probability distribution were visualised, followed by the reconstruction of the hits-density images using these features; Through the visual examination of the hits-density images regarding the cylinders’ normal loading and early-stage vibration, apparent visual differences between normal and early-stage vibration under the same loading can be observed; By projecting the hits-density images onto the principal component space, a trajectory which represents the condition developments was observed, which shows a visual-based resolution for dealing with vast transient bursts data reduction, reconstruction and visualisation.
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The work is supported by the National Natural Science Foundation of China (Grant ref: 61401104).
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Chen, H., Zhao, Y., Huang, J., Cheng, C. (2015). Visualisation of the Early-Stage Vibration of the Automatic-Gauge-Control Hydraulic Cylinder Based on the Acoustic Emission Hits-Density Imaging. In: Deng, Z., Li, H. (eds) Proceedings of the 2015 Chinese Intelligent Automation Conference. Lecture Notes in Electrical Engineering, vol 336. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46469-4_11
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DOI: https://doi.org/10.1007/978-3-662-46469-4_11
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