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运动仿真路演信号复现算法研究

, PP. 121-126

Keywords: 汽车工程,运动模拟器,遗传算法,路况仿真,多目标优化

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Abstract:

?为了得到符合运动模拟器要求的输入信号,提出了一种信号复现算法,通过频谱分析提取原始信号主频率成分,将其作为复现信号的基频,以保证复现信号与原始信号具有相同的频率成分;然后通过调整各频率成分对应的相位偏置,利用遗传算法对这些相位偏置进行优化,最终得到所需要的运动仿真信号表达式。结果表明:所获得的复现信号符合工作空间范围,并满足运动模拟器性能要求。

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