chapter 11: design via frequency response 1 ©2000, john wiley & sons, inc. nise/control systems...

©2000, John Wiley & Sons, Inc.

Nise/Control Systems Engineering, 3/e

Chapter 11: Design via Frequency Response1

Chapter 11

Design via Frequency Response




Figure 11.1Bode plots showing gain adjustment for a desired phase margin




Figure 11.2System forExample 11.1




Figure 11.3Bode magnitudeand phase plotsfor Example 11.1




Table 11.1Characteristics of gain-compensated system of Example 11.1




Figure 11.4Visualizing lagcompensation




Figure 11.5Frequency responseplots of a lag compensator, Gc(s) = (s + 0.1)/(s + 0.01)




Figure 11.6Bode plots forExample 11.2




Table 11.2Characteristics of the lag-compensated system of Example 11.2




Figure 11.7Visualizing leadcompensation




Figure 11.8Frequency response of a lead compensator




Figure 11.9Bode plotsfor leadcompensation inExample 11.3




Table 11.3Characteristics of the lead-compensated system of Example 11.3




Figure 11.10a. The Iowa DrivingSimulator;b. test driving thesimulator with itsrealistic graphics

Courtesy of Jim Stoner, The University of Iowa.




Figure 11.11Sample frequencyresponse curves for a lag-leadcompensator, Gc(s) =




Figure 11.12Bode plots for lag-lead compensation in Example 11.4




Figure P11.1




Figure P11.2Towed-vehicle rollcontrol




Figure P11.3




Figure P11.4a. A self-guidedvehicle;b. simplified blockdiagram

Courtesy of Rapistan Demag Corp.




Figure P11.5




Table 11.2Characteristics of the lag-compensated system of Example 11.2




Table 11.3Characteristics of the lead-compensated system of Example 11.3

chapter 11: design via frequency response 1 ©2000, john wiley & sons, inc. nise/control systems...

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