Page 129 - Modern Control Systems
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Section 2.8 Design Examples 103
FIGURE 2.41
The response
showing the linear
versus nonlinear
response to a step 150
input. Time (s)
35.3
35.2
n AJ A ' A i A A
35.1 l__l l_|i LA -L.I / - 1 ^ LA J_l LA
35
34.9 J..„ J l_.l 1—1 .L_l I If j—J h-4 - f
34.8
oi
34.7
34.6
34.5
FIGURE 2.42 34.4
The output flow rate
response to a 34.3
sinusoidal variation 200 400 600 800 1000
in the input flow. Time (s)
The response of the water level is shown in Figure 2.43. The water level is sinu-
soidal, with an average value of H av = H* = 1 m. As shown in Equation (2.124),
the output flow rate is sinusoidal in the steady-state, with
|A£ 2(0lmax = 2 2 = 0.4 kg/s.
Vn + to
