2018
DOI: 10.1155/2018/3013684
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Remaining Useful Life Prediction Method of Rolling Bearings Based on Pchip‐EEMD‐GM(1, 1) Model

Abstract: A trend prediction method based on the Pchip-EEMD-GM(1,1) to predict the remaining useful life (RUL) of rolling bearings was proposed in this paper. Firstly, the dimension of the extracted features was reduced by the KPCA dimensionality reduction method, and the WPHM model parameters were estimated via the kernel principal components. Secondly, the hazard rate was calculated at each time, and the Pchip interpolation method was used to obtain the uniformly spaced interpolation data series. Then the main trend o… Show more

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Cited by 9 publications
(6 citation statements)
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“…Small-scale portable means of technical control may become an option to overcome the corresponding difficulties. Means and devices of this class are not expensive; they do not require changes in the adopted control system and repair technology, but require special training of the service personnel [7]. At the same time, such devices can serve to collect preliminary information about diagnostic signals and how to obtain and process them, which is necessary for the development of integrated systems.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…Small-scale portable means of technical control may become an option to overcome the corresponding difficulties. Means and devices of this class are not expensive; they do not require changes in the adopted control system and repair technology, but require special training of the service personnel [7]. At the same time, such devices can serve to collect preliminary information about diagnostic signals and how to obtain and process them, which is necessary for the development of integrated systems.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…RUL, which is the service life (remaining life) of a component or system at a certain time in the life cycle, is incredibly important for management integrity at a particular time [7][8][9]. Therefore, the ability to estimate the RUL of components and systems is beneficial for being able to employ different maintenance management strategies to optimize the life cycle phases of a component or system.…”
Section: Introductionmentioning
confidence: 99%
“…Wu and Zhang [13] proposed a new cascaded fusion convolutional longand short-term memory network for orientation rule prediction because of the limited structure of current deep learning methods and the poor stability of prediction results due to the use of single sensory data. Wang et al [14] used KPCA method to reduce the dimension of the extracted features and used kernel principal component to estimate the parameters of WPHM model and proposed a trend prediction method of rolling bearing residual service life based on Pchip-EEMD-GM(1, 1). ese studies using information fusion technology in the direction of bearing residual life prediction have achieved good results and provide useful reference in information fusion technology, but, using a single type of sensor, the information collected cannot fully reflect the bearing life information, which will affect the prediction of bearing life.…”
Section: Introductionmentioning
confidence: 99%