Page 152 - Mechatronic Systems Modelling and Simulation with HDLs
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7.2 DEMONSTRATOR 1: SEMI-ACTIVE WHEEL SUSPENSION 141
Hard damping
true
false
0.07
0.065
Relative vertical movement of wheel
0.06
0.055
0.05
0.045
0.04
x(m) 0.035
0.03
0.025
Relative vertical movement of car body
0.02
0.015
0.01
0.005
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
t(s)
Figure 7.2 Relative vertical movement of wheel and body
true
false
0.02
0.01
0.0
−0.01
dx(m) −0.02 Spring travel without damper change-over
−0.03
−0.04
Spring travel with damper change-over
−0.05
−0.06
−0.07
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
t(s)
Figure 7.3 Spring compression with and without the changeover of the damper characteristic
