Question: E8.3 A robotic arm has a joint-control loop transfer function L(s) G(s)G(s)= 100(s + 0.1) s(s+1)(s+10) Show that the frequency equals = 11.7 rad/s when

E8.3 A robotic arm has a joint-control loop transfer function

L(s) G(s)G(s)= 100(s + 0.1) s(s+1)(s+10) Show that the frequency equals =

L(s) G(s)G(s)= 100(s + 0.1) s(s+1)(s+10) Show that the frequency equals = 11.7 rad/s when the phase angle of L(jw) is -135. Find the magnitude of L(jw) at w11.7 rad/s.

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