Control Systems Engineering 8th. Edition by Norman S. Nise | 9781119474210 | 1119474213 | Holooly

Control Systems

Control Systems Engineering

178 SOLVED PROBLEMS

Question: 10.18

Find the transfer function of the subsystem whose Bode plots are shown in Figure 10.57. ...

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Let us first extract the underdamped poles that we...

Question: 10.CS.1

Antenna Control: Stability Design and Transient Performance Our ongoing antenna position control system serves now as an example that summarizes the major objectives of the chapter. The case study demonstrates the use of frequency response methods to find the range of gain for stability and to ...

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Using the block diagram (Configuration 1) shown in...

Question: 13.4

Given a zero-order hold in cascade with G_1(s) = (s + 2)/(s + 1) or G (s) = 1 − e^−Ts / s (s + 2) / (s + 1) find the sampled-data transfer function, G(z), if the sampling time, T, is 0.5 second. ...

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Equation (13.38) represents a common occurrence in...

Question: 13.5

Find the z-transform of the system shown in Figure 13.10(a). ...

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The objective of the problem is to proceed in an o...

Question: 13.6

The missile shown in Figure 13.14(a) can be aerodynamically controlled by torques created by the deflection of control surfaces on the missile’s body. The commands to deflect these control surfaces come from a computer that uses tracking data along with programmed guidance equations to determine ...

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The input to the control system is an acceleration...

Question: 13.7

Determine the range of sampling interval, T, that will make the system shown in Figure 13.15 stable, and the range that will make it unstable. ...

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Since H(s) = 1, the z-transform of the closed-loop...

Question: 13.8

Given T(z) = N(z)/D(z), where D(z) = z³ − z² − 0.2 z + 0.1, use the Routh–Hurwitz criterion to find the number of z-plane poles of T(z) inside, outside, and on the unit circle. Is the system stable? ...

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Substitute Eq. (13.60) into D(z) = 0 and obtain³ [...

Question: 13.9

For step, ramp, and parabolic inputs, find the steady-state error for the feedback control system shown in Figure 13.17(a) if G_1 (s) = 10 / s (s + 1) ...

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First find G(s), the product of the z.o.h. and the...

Question: 13.10

Sketch the root locus for the system shown in Figure 13.21. Also, determine the range of gain, K, for stability from the root locus plot. ...

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Treat the system as if z were s, and sketch the ro...

Question: 13.11

For the system of Figure 13.21, find the value of gain, K, to yield a damping ratio of 0.7. ...

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Figure 13.23 shows the constant damping ratio curv...

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