LIU, Jun ;LIU, WeiLong ;WANG, Xiaofeng . Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 64, n.10, p. 601-610, september 2018. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/sl/article/research-of-crack-detection-and-delay-crack-propagation-on-a-nonlinear-rotor/>. Date accessed: 20 dec. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2018.5242.
Liu, J., Liu, W., & Wang, X. (2018). Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor. Strojniški vestnik - Journal of Mechanical Engineering, 64(10), 601-610. doi:http://dx.doi.org/10.5545/sv-jme.2018.5242
@article{sv-jmesv-jme.2018.5242,
author = {Jun Liu and WeiLong Liu and Xiaofeng Wang},
title = {Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {64},
number = {10},
year = {2018},
keywords = {cracked rotor; Transient response; Hilbert-Huang marginal spectrum; crack detection; delaying crack propagation},
abstract = {The existence and propagation of a crack on an engine’s nonlinear rotor can easily cause a serious accident, so it is quite essential to detect a crack in the rotor system through analysis of the rotor's vibration signals and to delay the crack propagation. The vibration signals of the cracked rotor show the non-periodic and the nonlinearity within a transient response. The fault characteristics of the crack can be easily hidden in other vibrational components and are difficult to extract from transient signals. In the paper, the Hilbert-Huang marginal spectrum (HHMS) method is proposed to realize the extraction of crack’s fault characteristics in a nonlinear rotor system. In addition, the crack’s opening and closing degrees at any rotating position are also put forward representing the crack propagation, and some tactics of the delaying crack propagation are proposed based on the effect on the crack’s opening and closing degree caused by the change of different rotor parameters. The simulation results show that the HHMS method can detect a crack early at about five per cent of the depth of the rotor’s diameter, and the methods of delaying crack propagation can effectively delay propagation. Experimental results verify the effectiveness of the proposed HHMS method.},
issn = {0039-2480}, pages = {601-610}, doi = {10.5545/sv-jme.2018.5242},
url = {https://www.sv-jme.eu/sl/article/research-of-crack-detection-and-delay-crack-propagation-on-a-nonlinear-rotor/}
}
Liu, J.,Liu, W.,Wang, X. 2018 September 64. Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 64:10
%A Liu, Jun %A Liu, WeiLong %A Wang, Xiaofeng %D 2018 %T Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor %B 2018 %9 cracked rotor; Transient response; Hilbert-Huang marginal spectrum; crack detection; delaying crack propagation %! Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor %K cracked rotor; Transient response; Hilbert-Huang marginal spectrum; crack detection; delaying crack propagation %X The existence and propagation of a crack on an engine’s nonlinear rotor can easily cause a serious accident, so it is quite essential to detect a crack in the rotor system through analysis of the rotor's vibration signals and to delay the crack propagation. The vibration signals of the cracked rotor show the non-periodic and the nonlinearity within a transient response. The fault characteristics of the crack can be easily hidden in other vibrational components and are difficult to extract from transient signals. In the paper, the Hilbert-Huang marginal spectrum (HHMS) method is proposed to realize the extraction of crack’s fault characteristics in a nonlinear rotor system. In addition, the crack’s opening and closing degrees at any rotating position are also put forward representing the crack propagation, and some tactics of the delaying crack propagation are proposed based on the effect on the crack’s opening and closing degree caused by the change of different rotor parameters. The simulation results show that the HHMS method can detect a crack early at about five per cent of the depth of the rotor’s diameter, and the methods of delaying crack propagation can effectively delay propagation. Experimental results verify the effectiveness of the proposed HHMS method. %U https://www.sv-jme.eu/sl/article/research-of-crack-detection-and-delay-crack-propagation-on-a-nonlinear-rotor/ %0 Journal Article %R 10.5545/sv-jme.2018.5242 %& 601 %P 10 %J Strojniški vestnik - Journal of Mechanical Engineering %V 64 %N 10 %@ 0039-2480 %8 2018-09-20 %7 2018-09-20
Liu, Jun, WeiLong Liu, & Xiaofeng Wang. "Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor." Strojniški vestnik - Journal of Mechanical Engineering [Online], 64.10 (2018): 601-610. Web. 20 Dec. 2024
TY - JOUR AU - Liu, Jun AU - Liu, WeiLong AU - Wang, Xiaofeng PY - 2018 TI - Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2018.5242 KW - cracked rotor; Transient response; Hilbert-Huang marginal spectrum; crack detection; delaying crack propagation N2 - The existence and propagation of a crack on an engine’s nonlinear rotor can easily cause a serious accident, so it is quite essential to detect a crack in the rotor system through analysis of the rotor's vibration signals and to delay the crack propagation. The vibration signals of the cracked rotor show the non-periodic and the nonlinearity within a transient response. The fault characteristics of the crack can be easily hidden in other vibrational components and are difficult to extract from transient signals. In the paper, the Hilbert-Huang marginal spectrum (HHMS) method is proposed to realize the extraction of crack’s fault characteristics in a nonlinear rotor system. In addition, the crack’s opening and closing degrees at any rotating position are also put forward representing the crack propagation, and some tactics of the delaying crack propagation are proposed based on the effect on the crack’s opening and closing degree caused by the change of different rotor parameters. The simulation results show that the HHMS method can detect a crack early at about five per cent of the depth of the rotor’s diameter, and the methods of delaying crack propagation can effectively delay propagation. Experimental results verify the effectiveness of the proposed HHMS method. UR - https://www.sv-jme.eu/sl/article/research-of-crack-detection-and-delay-crack-propagation-on-a-nonlinear-rotor/
@article{{sv-jme}{sv-jme.2018.5242},
author = {Liu, J., Liu, W., Wang, X.},
title = {Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {64},
number = {10},
year = {2018},
doi = {10.5545/sv-jme.2018.5242},
url = {https://www.sv-jme.eu/sl/article/research-of-crack-detection-and-delay-crack-propagation-on-a-nonlinear-rotor/}
}
TY - JOUR AU - Liu, Jun AU - Liu, WeiLong AU - Wang, Xiaofeng PY - 2018/09/20 TI - Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 64, No 10 (2018): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2018.5242 KW - cracked rotor, Transient response, Hilbert-Huang marginal spectrum, crack detection, delaying crack propagation N2 - The existence and propagation of a crack on an engine’s nonlinear rotor can easily cause a serious accident, so it is quite essential to detect a crack in the rotor system through analysis of the rotor's vibration signals and to delay the crack propagation. The vibration signals of the cracked rotor show the non-periodic and the nonlinearity within a transient response. The fault characteristics of the crack can be easily hidden in other vibrational components and are difficult to extract from transient signals. In the paper, the Hilbert-Huang marginal spectrum (HHMS) method is proposed to realize the extraction of crack’s fault characteristics in a nonlinear rotor system. In addition, the crack’s opening and closing degrees at any rotating position are also put forward representing the crack propagation, and some tactics of the delaying crack propagation are proposed based on the effect on the crack’s opening and closing degree caused by the change of different rotor parameters. The simulation results show that the HHMS method can detect a crack early at about five per cent of the depth of the rotor’s diameter, and the methods of delaying crack propagation can effectively delay propagation. Experimental results verify the effectiveness of the proposed HHMS method. UR - https://www.sv-jme.eu/sl/article/research-of-crack-detection-and-delay-crack-propagation-on-a-nonlinear-rotor/
Liu, Jun, Liu, WeiLong, AND Wang, Xiaofeng. "Research of Crack Detection and Delay Crack Propagation on a Nonlinear Rotor" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 64 Number 10 (20 September 2018)
Strojniški vestnik - Journal of Mechanical Engineering 64(2018)10, 601-610
© The Authors, CC-BY 4.0 Int. Change in copyright policy from 2022, Jan 1st.
The existence and propagation of a crack on an engine’s nonlinear rotor can easily cause a serious accident, so it is quite essential to detect a crack in the rotor system through analysis of the rotor's vibration signals and to delay the crack propagation. The vibration signals of the cracked rotor show the non-periodic and the nonlinearity within a transient response. The fault characteristics of the crack can be easily hidden in other vibrational components and are difficult to extract from transient signals. In the paper, the Hilbert-Huang marginal spectrum (HHMS) method is proposed to realize the extraction of crack’s fault characteristics in a nonlinear rotor system. In addition, the crack’s opening and closing degrees at any rotating position are also put forward representing the crack propagation, and some tactics of the delaying crack propagation are proposed based on the effect on the crack’s opening and closing degree caused by the change of different rotor parameters. The simulation results show that the HHMS method can detect a crack early at about five per cent of the depth of the rotor’s diameter, and the methods of delaying crack propagation can effectively delay propagation. Experimental results verify the effectiveness of the proposed HHMS method.