Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in s

Why would an Engineer consider combining FEEDBACK and
FEEDFORWARD control in some applications?

Question Posted / slyabi

4 Answers
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Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in some applications?..

Answer / gonzales

In boiler when tripple element controlling required

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4 Yes

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Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in some applications?..

Answer / nikhil

In some applications, the compensation provided by feedback control is not sufficient.

Also, the feedforward control is faster but it is difficult to predict all the manipulated variables.

Hence a combination of both is used.

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2 Yes

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Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in some applications?..

Answer / r.murugan

Feed forward control required three inputs like drum level
control (steam flow,drum level,feedwater flow

closed loop control with feedback only applicable

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Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in some applications?..

Answer / bhag singh

control valve

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8 No

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