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Controller design using the inverse Nichols Chart

Question 1
Given P(s) = , use the Inverse Nichols Chart to design a simple G(s) to achieve the following specifications.
i) zero steady state error to step output disturbance
ii) │ 1 / (1+L) │ ≤ -15dB , ω ≤ 0.5 rad/s
iii) │ 1 / (1+L) │ ≤ 6dB ,

(see attached for full problem description)


Solution Summary

The solution shows how you can apply the use of a Nichols chart to achieve a certain specification