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复现试验场工况的转向拉杆室内加速疲劳试验

Keywords: 汽车工程,加速疲劳试验,疲劳编辑,转向拉杆

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Abstract:

针对传统的转向拉杆台架疲劳试验,或者根据设计载荷来制定试验方案,或者对实测载荷根据设置经验门限值进行试探性的编辑,即对载荷历程进行线性强化或小幅值删除,如此来实现加速疲劳试验,显然获得的结果可信度较差。通过对采集到的真实载荷谱进行基于疲劳损伤的编辑浓缩,对小幅值循环的载荷进行可控过滤,达到了定量加速零部件疲劳试验的目的,获得更为可信和可靠的加速试验结果。

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