: Later editions (such as the 6th and 7th) often included a disk with computer programs like "DESIGN," which emulated classical Bode design methods for trial-and-error PID tuning.
If your PDF has as a subsection, it might be the left column of page 21, possibly continuing an example about a tank filling system or a motor speed controller with a block diagram showing: Introduction To Control System Technology Bateson Pdf 21l
: Various control modes, including PID (Proportional-Integral-Derivative) controllers. : Later editions (such as the 6th and