Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 7 (Q.No. 31)
31.
If response of a control system is to be free of offset and oscillation, the most suitable controller is
proportional controller.
proportional-derivative(PD)controller.
proportional-integral (PI) controller.
proportional integral-derivative (PID) controller.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Lori said:   2 years ago
It gives a slow and sluggish response with p controller.

Nik said:   9 years ago
We also used PD for fast response and system is free from offset so why we use PID controller.

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