Assignment Task: Mechanical Engineering Questions
Question 1: Find the analytical expressions for the magnitude and phase response for each G(s) below, and plot Nyquist diagram for each G(s).
a. G(s) = 1/(s(s+2)(s+4))
b. G(s) = ((s+3)(s+5))/(s(s+2)(s+4))
Question 2: Consider the system in the following diagram, use Bode plot to
a. Find the phase margin if the system is stable for time delays of 0, 0.1, 0.2, 0.5 and 1 second.
b. Find the gain margin if the system is stable for each of the time delays in part a.