Fourth-order systems may render very complex characteristic equation that are difficult for tuning. Is there any method to tune controllers for these systems easily?
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3\$\begingroup\$ Does your system have dominant poles? If so, you may be able to use tuning methods for second order or first order systems. \$\endgroup\$AJN– AJN2020-10-31 05:41:07 +00:00Commented Oct 31, 2020 at 5:41
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\$\begingroup\$ What do you mean by "accurately" ? Usually the system may still work, even if the PI gains vary by a factor of 2. \$\endgroup\$AJN– AJN2020-10-31 09:20:53 +00:00Commented Oct 31, 2020 at 9:20
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\$\begingroup\$ Thanks AJN... I will consider the correction... \$\endgroup\$Domino– Domino2020-11-03 08:56:16 +00:00Commented Nov 3, 2020 at 8:56
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