Chapter 6, Problem 6.35P

(a) Obtain the transfer function $\Omega \left(s\right)/V_L\left(s\right)$ for the field-controlled motor of Example 6.5.2. (b) Modify the field-controlled motor model in Example 6.5.2 so that the output is the angular displacement $\theta$ , rather than the speed $\omega$ , where $\omega =\stackrel{\dot{}}{\theta }$ . Obtain the transfer functions $\Omega \left(s\right)/V_f\left(s\right)$ and $\Theta \left(s\right)/V_L\left(s\right)$ .