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Question

10. (15 points) Redo the Simulink suspension model developed in Section 5.7 in your textbook, using the

spring relation and input function shown in Figure 4, and the following damper relation.

-0.25 -0.15

Use the simulation to plot the response. Evaluate the overshoot and undershoot.

Spring force (N) 4

3000-

1300-

500-

fa(v) =

-500 0.15 0.25

- 1300

-3000

-500v¹.2 v≤0

50v¹.2

v>0

Deflection

y-x (m)

y(t)

(m)

0.3

Figure 4: Problem 10.

0

0.15

4.0 4.15 (s)

Fig: 1