Question

What is the need of compensator in control system?

Answer 1

Lead–lag compensator. A lead–lag compensator is a component in a control system that improves an undesirable frequency response in a feedback and control system. It is a fundamental building block in classical control theory.


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Answer 2

Explanation:

Compensator is used in the control system to improve system dynamics, improve characteristics of the open loop system, and improve stability.

The lead/lag compensator, phase compensator is used to improve the stability of the system. They are the specialized filters that are designed to provide gain and phase at one frequency. The design of compensators are based on the arrangements of system design and the parameters that are selected for the system.