Bode and Nyquist Using Excel
Explains how spreadsheets can be used to obtain Bode and Nyquist Diagrams, from the University of Michigan, USA. Includes several illustrated examples.
Brief History of Feedback Control
Comprehensive article about the historical aspects of the theory and its development. Includes applications and references.
Control Theory
Brief introduction to the feedback theory in plain text. Addresses infinite dimension systems, active noise control, non-linear systems and related applications.
Control Theory and Engineering Links from Theorem.Net
List of resources, applets and publications.
Feedback and Temperature Control
Scientific article about temperature controller. Addresses controller types, algorithms, transient responses and simulations.
PID Controller
Description of the PID control loop. Includes transient diagrams and source codes.
PID Without a PhD
Overview of the PID control theory in plain text. Addresses mathematical background, tuning and transient response.
Review of Classical Control Theory
Review of the control theory from the University of Arizona, USA. Addresses feedback control, steady state errors, transient and frequency response.
Russian Systems and Control Archive
Information about Russian specialists, groups, institutes, foundations, conferences, journals and books related to systems and control. [English, Russian]
Signals, Systems and Control Demonstrations
Resource of applets and interactive lectures dedicated the control theory from the Johns Hopkins University.
Tuning a PID Controller
Describes the different types of controller. Addresses efficiency and stability aspects.
Web-Based Control System Analysis and Design
Applets to generate Bode diagrams, Nichols chart and Nyquist diagrams.
Wikipedia: Control Engineering
Definition of control engineering. Includes modelling approaches and application fields.
Wikipedia: Control Theory
Comprehensive overview and glossary about the theory. Includes definitions, mathematical aspects, historical background and examples.