I am completely lost with Nyquist. I am sure it's a plot of G(s), but when I put the plot in my calculator, it looks nothing like a traditional nyquist plot.
I have a pole at the origin, that is not in the rhp is it? I have a zero in the rhp. So, the number of encirclements is N=#p-#z= so that's -1? There are -1 ccw encirclements? Help!
I'm trying to design a lag compensator with kv=2, pm>=50, PM>0 for all w<=wc (where wc is the corner frequency).
Please help me to understand how to do the nyquist plot for G(s)=2((-s/.142)+1)/(s* ((s/.35)+1) ((s/.0362)+1) ))
I'm lost, please help.© BrainMass Inc. brainmass.com August 15, 2018, 10:26 am ad1c9bdddf
Please refer to the attached file.
G(s)=2((-s/.142)+1)/(s* ((s/.35)+1) ((s/.0362)+1) ))
den1=conv([1 0],[(1/0.0362) 1]);
Transfer function of the system:
-14.08 s + 2
78.93 s^3 + 30.48 s^2 + s
Root locus of the system:
There are three poles and a right hand pole zero.
Nyquist diagram of the ...
The solution is provided in an attachment and includes diagrams and short explanations describing how to manually draw a nyquist diagram. A reference is also given.