XU, Fei ;YANG, Huixian ;AHLIN, Kjell ;CHEN, Zhifeng . Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 70, n.9-10, p. 440-451, april 2024. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/article/kurtosis-control-of-amplitude-modulated-non-gaussian-signal-for-fatigue-test-purpose/>. Date accessed: 20 dec. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2023.908.
Xu, F., Yang, H., Ahlin, K., & Chen, Z. (2024). Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test. Strojniški vestnik - Journal of Mechanical Engineering, 70(9-10), 440-451. doi:http://dx.doi.org/10.5545/sv-jme.2023.908
@article{sv-jmesv-jme.2023.908,
author = {Fei Xu and Huixian Yang and Kjell Ahlin and Zhifeng Chen},
title = {Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {70},
number = {9-10},
year = {2024},
keywords = {non-Gaussian; amplitude modulation method; fatigue damage spectrum; kurtosis; },
abstract = {The amplitude modulation method was used to generate non-Gaussian signals that acted as excitation for fatigue tests. The fatigue life of structures under non-Gaussian excitation has been proven to be closely related to the features of the amplitude modulation signal (AMS) and kurtosis of the structural response. In this study, the modelling of the AMS by Beta and Weibull distributions and the resulting kurtosis range problem is first reviewed. To solve this problem, a new method for creating an AMS based on a linear combination of Beta and Weibull distributions is proposed. To ensure that the high kurtosis of the amplitude-modulated non-Gaussian signal is correctly transferred to the structural response, the method is further developed to fulfil the specifications for the fatigue damage spectrum (FDS) by controlling the spectral content of the AMS. Herein, a Gaussian AMS with a low-pass cutoff frequency is first generated and then converted to a Weibull or Beta AMS based on the cumulative distribution function (CDF) transformation. The proposed method is verified using simulated and field-measured data. The results show that the full range of specified kurtosis is achieved with the new AMS modelling method. The high kurtosis of the non-Gaussian input signal can be transferred to the linear system response if the mean value of AMS during the period of the system impulse response is the same as AMS.},
issn = {0039-2480}, pages = {440-451}, doi = {10.5545/sv-jme.2023.908},
url = {https://www.sv-jme.eu/article/kurtosis-control-of-amplitude-modulated-non-gaussian-signal-for-fatigue-test-purpose/}
}
Xu, F.,Yang, H.,Ahlin, K.,Chen, Z. 2024 April 70. Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 70:9-10
%A Xu, Fei %A Yang, Huixian %A Ahlin, Kjell %A Chen, Zhifeng %D 2024 %T Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test %B 2024 %9 non-Gaussian; amplitude modulation method; fatigue damage spectrum; kurtosis; %! Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test %K non-Gaussian; amplitude modulation method; fatigue damage spectrum; kurtosis; %X The amplitude modulation method was used to generate non-Gaussian signals that acted as excitation for fatigue tests. The fatigue life of structures under non-Gaussian excitation has been proven to be closely related to the features of the amplitude modulation signal (AMS) and kurtosis of the structural response. In this study, the modelling of the AMS by Beta and Weibull distributions and the resulting kurtosis range problem is first reviewed. To solve this problem, a new method for creating an AMS based on a linear combination of Beta and Weibull distributions is proposed. To ensure that the high kurtosis of the amplitude-modulated non-Gaussian signal is correctly transferred to the structural response, the method is further developed to fulfil the specifications for the fatigue damage spectrum (FDS) by controlling the spectral content of the AMS. Herein, a Gaussian AMS with a low-pass cutoff frequency is first generated and then converted to a Weibull or Beta AMS based on the cumulative distribution function (CDF) transformation. The proposed method is verified using simulated and field-measured data. The results show that the full range of specified kurtosis is achieved with the new AMS modelling method. The high kurtosis of the non-Gaussian input signal can be transferred to the linear system response if the mean value of AMS during the period of the system impulse response is the same as AMS. %U https://www.sv-jme.eu/article/kurtosis-control-of-amplitude-modulated-non-gaussian-signal-for-fatigue-test-purpose/ %0 Journal Article %R 10.5545/sv-jme.2023.908 %& 440 %P 12 %J Strojniški vestnik - Journal of Mechanical Engineering %V 70 %N 9-10 %@ 0039-2480 %8 2024-04-11 %7 2024-04-11
Xu, Fei, Huixian Yang, Kjell Ahlin, & Zhifeng Chen. "Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test." Strojniški vestnik - Journal of Mechanical Engineering [Online], 70.9-10 (2024): 440-451. Web. 20 Dec. 2024
TY - JOUR AU - Xu, Fei AU - Yang, Huixian AU - Ahlin, Kjell AU - Chen, Zhifeng PY - 2024 TI - Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2023.908 KW - non-Gaussian; amplitude modulation method; fatigue damage spectrum; kurtosis; N2 - The amplitude modulation method was used to generate non-Gaussian signals that acted as excitation for fatigue tests. The fatigue life of structures under non-Gaussian excitation has been proven to be closely related to the features of the amplitude modulation signal (AMS) and kurtosis of the structural response. In this study, the modelling of the AMS by Beta and Weibull distributions and the resulting kurtosis range problem is first reviewed. To solve this problem, a new method for creating an AMS based on a linear combination of Beta and Weibull distributions is proposed. To ensure that the high kurtosis of the amplitude-modulated non-Gaussian signal is correctly transferred to the structural response, the method is further developed to fulfil the specifications for the fatigue damage spectrum (FDS) by controlling the spectral content of the AMS. Herein, a Gaussian AMS with a low-pass cutoff frequency is first generated and then converted to a Weibull or Beta AMS based on the cumulative distribution function (CDF) transformation. The proposed method is verified using simulated and field-measured data. The results show that the full range of specified kurtosis is achieved with the new AMS modelling method. The high kurtosis of the non-Gaussian input signal can be transferred to the linear system response if the mean value of AMS during the period of the system impulse response is the same as AMS. UR - https://www.sv-jme.eu/article/kurtosis-control-of-amplitude-modulated-non-gaussian-signal-for-fatigue-test-purpose/
@article{{sv-jme}{sv-jme.2023.908},
author = {Xu, F., Yang, H., Ahlin, K., Chen, Z.},
title = {Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {70},
number = {9-10},
year = {2024},
doi = {10.5545/sv-jme.2023.908},
url = {https://www.sv-jme.eu/article/kurtosis-control-of-amplitude-modulated-non-gaussian-signal-for-fatigue-test-purpose/}
}
TY - JOUR AU - Xu, Fei AU - Yang, Huixian AU - Ahlin, Kjell AU - Chen, Zhifeng PY - 2024/04/11 TI - Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 70, No 9-10 (2024): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2023.908 KW - non-Gaussian, amplitude modulation method, fatigue damage spectrum, kurtosis, N2 - The amplitude modulation method was used to generate non-Gaussian signals that acted as excitation for fatigue tests. The fatigue life of structures under non-Gaussian excitation has been proven to be closely related to the features of the amplitude modulation signal (AMS) and kurtosis of the structural response. In this study, the modelling of the AMS by Beta and Weibull distributions and the resulting kurtosis range problem is first reviewed. To solve this problem, a new method for creating an AMS based on a linear combination of Beta and Weibull distributions is proposed. To ensure that the high kurtosis of the amplitude-modulated non-Gaussian signal is correctly transferred to the structural response, the method is further developed to fulfil the specifications for the fatigue damage spectrum (FDS) by controlling the spectral content of the AMS. Herein, a Gaussian AMS with a low-pass cutoff frequency is first generated and then converted to a Weibull or Beta AMS based on the cumulative distribution function (CDF) transformation. The proposed method is verified using simulated and field-measured data. The results show that the full range of specified kurtosis is achieved with the new AMS modelling method. The high kurtosis of the non-Gaussian input signal can be transferred to the linear system response if the mean value of AMS during the period of the system impulse response is the same as AMS. UR - https://www.sv-jme.eu/article/kurtosis-control-of-amplitude-modulated-non-gaussian-signal-for-fatigue-test-purpose/
Xu, Fei, Yang, Huixian, Ahlin, Kjell, AND Chen, Zhifeng. "Kurtosis Control of Amplitude-Modulated non-Gaussian Signals for Fatigue Test" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 70 Number 9-10 (11 April 2024)
Strojniški vestnik - Journal of Mechanical Engineering 70(2024)9-10, 440-451
© The Authors 2024. CC BY 4.0 Int.
The amplitude modulation method was used to generate non-Gaussian signals that acted as excitation for fatigue tests. The fatigue life of structures under non-Gaussian excitation has been proven to be closely related to the features of the amplitude modulation signal (AMS) and kurtosis of the structural response. In this study, the modelling of the AMS by Beta and Weibull distributions and the resulting kurtosis range problem is first reviewed. To solve this problem, a new method for creating an AMS based on a linear combination of Beta and Weibull distributions is proposed. To ensure that the high kurtosis of the amplitude-modulated non-Gaussian signal is correctly transferred to the structural response, the method is further developed to fulfil the specifications for the fatigue damage spectrum (FDS) by controlling the spectral content of the AMS. Herein, a Gaussian AMS with a low-pass cutoff frequency is first generated and then converted to a Weibull or Beta AMS based on the cumulative distribution function (CDF) transformation. The proposed method is verified using simulated and field-measured data. The results show that the full range of specified kurtosis is achieved with the new AMS modelling method. The high kurtosis of the non-Gaussian input signal can be transferred to the linear system response if the mean value of AMS during the period of the system impulse response is the same as AMS.