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Feeforward Based on Inverse Dynamic System
Feedforward implemented in closed loop control where the plant is first order and the controller is PI. Can the feedforward be based on the inverse dynamic system or acceleration?

Dear All,

Feedforward must be implemented in close loop control where the plant is first order and the controller is PI, and the feedforward can be based on the inverse dynamic system or acceleration.

Would someone help me in this cases!

Could the inverse plant feedforward give improvement to the results of system in case step input or in case certain frequency? And what could be the problem by using simple inverse plant feedforward?

By using the acceleration feedforward is there benefits to the system compared to responses with inverse plant feedforward.

In which system is the feedforward is useful?

Thank you