PIDFeedforward

is an option to PIDTune that controls the reference weights used for the feedforward filter.

Details

For a PID controller , the feedforward weights and affect what fraction of the reference signal to feed the proportional and derivative terms of the controller.
Possible settings include:

	None	{1,1}; use no weights
	Automatic	automatically compute weights
	b	{b,1}; set the proportional weight
	{b,c}	set proportional and derivative weights

Specify the reference weights of the feedforward filter and extract the filter transfer function:

Set only the proportional weight:

The automatically computed proportional weight:

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