Consider a DC motor system below utilized for speed control which is implemented with voltage and current feedback (a) Draw a signal flow graph for the feedback control system (b) Find the transfer function m (s) r with T L (S) 0 using Mason's gain formula (c) Find the transfer function m (s) T L with r (s) 0 using Mason's gain formula (d) Let K i be a very high gain of the amplifier Show that when H i (s) H e (s) (R s sL a ),the velocity m (t) is totally independent of the load disturbance of torque T L (e) Find the output m (s) due to both inputs r(s) and T L (s) Cument feedhack Volage eedback Moter and lead

Question: Consider a DC motor system below utilized for speed control which is implemented with voltage and current feedback. (a) Draw a signal flow graph for

Consider a DC motor system below utilized for speed control which is implemented with voltage and current feedback.

Cument feedhack Volage eedback Moter and lead-

(a) Draw a signal flow graph for the feedback control system.

(b) Find the transfer function-Ω _m(s)/Ω _r[with T _L(S) = 0] using Mason's gain formula.

(d) Let K _i be a very high gain of the amplifier. Show that when H _i(s)/H _e(s) = -(R _s + sL _a),the velocity ω _m(t) is totally independent of the load disturbance of torque T _L.

(e) Find the output Ω _m(s) due to both inputs Ωr(s) and T _L(s).

Cument feedhack Volage eedback Moter and lead-

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Question: Consider a DC motor system below utilized for speed control which is implemented with voltage and current feedback. (a) Draw a signal flow graph for

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