The same plant was controlled by the following controllers P, PD, PI, PID. In al
ID: 2315324 • Letter: T
Question
The same plant was controlled by the following controllers P, PD, PI, PID. In all cases the tuning controllers was carefully adjusted considering the following criteria:
1-The error of the regime to step is the smallest possible
2-The smallest possible overshoot
3- gain not too high to prevent the situation of output controllers
Figure 6.41 presents response y (t) to unit steps applied in reference systems in closed loop with each of the controllers. Join the graphics to the corresponding controllers and justify your choice.
vit) v(t) vet) i d )Explanation / Answer
Figure (a) represent response of a PID controller, because improvement in transient and steady state.
Figure (b),here steady state response improved, hence PI controller
Figure(C), improvement is only in transient response ,hence PD controller
Figure(d) is P controller
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