control systems questions

7. (a) FIGURE 5 shows the input and output waveforms for a proportional plus integral controller. State:

(i) the controller's proportional gain

(ii) the controller's integral action time.

FIG. 5

0

Input

Output

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Time (minutes)

8

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