| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vibration test control device capable of performing a random vibration test setting the kurtosis of a random signal as a parameter. <P>SOLUTION: In a random vibration test control apparatus (300) for performing a vibration test of a test piece by applying a random vibration signal to a vibration exciter device (308), probability density distribution function generation means (301) for obtaining a probability density distribution function Dist(x) of non-normal distribution satisfying the conditions of kurtosis, variance, and PSD spectrum given as a test target and an objective random sequence signal generation means (302) for generating a target random sequence signal Tg[t] of non-normal distribution from the probability density distribution function Dist(x) are provided, a control is carried out so that the target random sequence signal Tg[t] and a response sequence signal Rt coincide with each other in amplitude and phase, and a vibration test by the random signal of non-normal distribution is realized. <P>COPYRIGHT: (C)2013,JPO&INPIT |
