Appendix 5

Key Terms

Actuating signal   It is also called error signal (see error signal).

Asymptote   The path the root locus follows as the parameter becomes very large and approaches infinity.

Bandwidth   The frequency at which the frequency response declines to 3 dB from its low-frequency value.

Bode plot   The logarithm of the magnitude of the transfer function is plotted versus the logarithm of ω, the frequency. The ɸ, of the transfer function is plotted versus the logarithm of the frequency.

Characteristic equation    The relation formed by equating to zero the denominator of a transfer function.

Closed-loop feedback control system   A system that uses a measurement of the output and compares it with the desired output.

Compensation   The ...

Get Control Systems Engineering, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.