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Road Roughness in simulink

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Mehmet Rizelioglu
评论： Mehmet Rizelioglu 2022-4-9
Hi everyone;
I designed a quarter car model with one degree of freedom in Simulink and collected the acceleration values on the roads with it. However, when analyzing my model in simulink, I found that my results were very meaningless. The double integral of the acceleration data will give the displacement in the z axis. but this x graph (displacement) shows a continuous increase..?

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Fangjun Jiang
Fangjun Jiang 2022-4-6
It seems normal to me. The acceleration has positives and nagatives, thus the speed shows rising and falling, but because all the speed values are positive, the displacement will show a continuous increase.

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