分析发现，加速度输入模型和位移输入模型两种输入方法都可以应用于多点激励分析，但位移输入更方便。
It is found that these two methods both can be used in analysis of multi-support excitation, but the displacement time-history method is much more convenience.
研究了系统在随机路面激励条件下车身加速度、悬架动行程和轮胎动位移等性能指标的控制效果。
The control effects of performance indicators covering body acceleration, suspension dynamic displacement and tire dynamic deflection under random road excitation are studied.
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