| This research aims to solve the problem of the super-Gaussian vibration test of the LKJ case.Therefore,this paper proposes a super-Gaussian vibration data induction method based on the measured vibration environment data of the LKJ case, and uses this method to sum up the x-direction, y-direction and z-direction of the LKJ case measured PSD, and constructed a super-Gaussian accelerated vibration test profile according to an acceleration factor of 5.66, in which the RMS of the x, y, and z-direction PSD are 3.34, 6.28, 3.85 m/s2respectively, the kurtosis is respectively 6.48, 6.58, 6.81, and the frequency range is 2~350 Hz. Finally, the super-Gaussian acceleration test profile is used to verify the super-Gaussian vibration test of the two LKJ cases.The test has excited 7 types of failure modes, which are highly consistent with the on-site failure mode of the LKJ case running on a specific line.In conclusion,this test method verifies the effectiveness of the super-Gauss accelerated vibration test of the LKJ case. |