# Not all second-order systems are designed to give a standard 2"d order response. Consider the pow...

###### Question:

Not all second-order systems are designed to give a standard 2"d order response. Consider the power steering for an automobile. The feedback system can be modeled as the block diagram shown in the figure below. For a unit step input A(s), find values of K1 and K2 for which the response w(t) is critically damped and has a steady-state gain of 0.4 unit. Repeat for a damping ratio of 0.7 and a steady-state gain of 0.2 unit. 7) Control Steering WheelGear Amplifier Steering linkage Wheel angle 20 s+20 10 angle >0.2 A(s) S +10 W(s) Feedback linkage 8) The open loop transfer function of a unity feedback system is given by G(S)+ ST) where T and Kare positive constants. By what factor should the gain K be reduced such that (a) The peak overshoot of the system to unit step input is reduced from 75% to 25%, and (b) The damping ratio increases from 0.1 to 0.6? Windo [설정]

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