3 votes

Control Engineering: Formal vs. Trial-and-Error

Here are some perspectives from someone who was taught rigorous control systems theory and then spent 34 years working in high tech. Imagine you have a programmable PID controller box with which you ...
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1 vote
Accepted

Measure a frequency response function

In the context depicted in the diagram, the transfer function estimate can be shown to be biased (wrong in expectation) due to the feedback loop. The input will, due to the feedback, be correlated ...
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1 vote

Second Order Transfer Function Question regarding Overshoot Formula

Formula is derived for pure 2nd order TF without any zeros. The validity of the formula for cases with zeros depends on relative position of the zero with regard to poles. The poles of $T(s)$ are \...
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