Road load spectrum preparation method based on density peak machine learning algorithm
A technology of road load spectrum and load spectrum, which is applied in the field of road load spectrum preparation, can solve the problems that the fatigue durability of the vehicle body cannot be effectively improved, and the fatigue life of the vehicle body cannot be accurately predicted, so as to achieve the effect of improving the fatigue durability and accurate prediction of the vehicle body
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[0015]The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.figure 1 This is the flow chart of the method for preparing road load spectrum of the present invention, please refer tofigure 1 , The present invention provides a method for preparing road load spectrum, including:
[0016]Step 101: The test vehicle moves on the actual test road, and the acceleration information is obtained through the three-way accelerometer set in the preset part of the vehicle body and the chassis.
[0017]Specifically, the acceleration in the X, Y, and Z directions on the actual test road is obtained through a three-way accelerometer, where X direction is the direction parallel to the longitudinal axis of the vehicle body, and the Y direction is the direction parallel to the transverse axis of the vehicle body. , Z direction refers to the direction perpendicular to the ground.
[0018]Step 102: Input the acceleration information of the test
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