6. Consider the feedback system shown in Figure 5, The process transfer function is marginally stable. The controller is the proportional-derivative (PD) controller G(s) = K, + Kps . Determine if it is possible to find values of K, and K, such that the closed-loop system is stable, If so, obtain values of the controller parameters such that the steady-state tracking error E(s) = R(s)-Y(s) to a unit step input R(s) =1/s is e, = lim e(t) <0.1 and the damping of the closed-loop system is 5-2/2. Controller Process E(s) 4 R(s) Kp+ Kps ?+4 Y(s)

6. Consider the feedback system shown in Figure 5, The process transfer function is marginally stable. The controller is the proportional-derivative (PD) controller G(s) = K, + Kps . Determine if it is possible to find values of K, and K, such that the closed-loop system is stable, If so, obtain values of the controller parameters such that the steady-state tracking error E(s) = R(s)-Y(s) to a unit step input R(s) =1/s is e, = lim e(t) <0.1 and the damping of the closed-loop system is 5-2/2. Controller Process E(s) 4 R(s) Kp+ Kps ?+4 Y(s)

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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