For a first order process G(s)= 4/(s+0.5): (a) Qualitatively sketch the pattern of the Bode diagram...

For a first order process G(s)= 4/(s+0.5):

(a) Qualitatively sketch the pattern of the Bode diagram for this process, and indicate the limiting behaviors( i.e., the slopes and values as s --> 0 and s --> infinity) of ARn( the normalized amplitude ratio) and Phi ( the phase shift) in the plots.

(b) Will a P-only control possibly make the process unstable? Show your reasoning based on the Bode stability criterion.

(c) What if a delay term e^-5s is included, i.e., G(s) = - 4e^-5s/(s+0.5, will a P-only control possibly make the process unstable (you don't need to determine the exact value of the ultimate controller gain Kcu)? Show your reasoning based on the Bode stability criterion.

Expert Solution

Amanda K answered 5 months ago

what is the bode plots if G(s)= (s+10)/(s(s+1))

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