Nyquist Stability Explains the basics of the Nyquist controller stability criteria. Includes diagrams and Bode plots. http://www.facstaff.bucknell.edu/mastascu/eControlHTML/Freq/Nyquist3.html Bucknell.edu~Site InfoWhoisTrace RouteRBL Check
PID Controller Description of the PID control loop. Includes transient diagrams and source codes. http://www.ecircuitcenter.com/Circuits/pid1/pid1.htm Ecircuitcenter.com~Site InfoWhoisTrace RouteRBL Check
PID Without a PhD Overview of the PID control theory in plain text. Addresses mathematical background, tuning and transient response. http://www.embedded.com/2000/0010/0010feat3.htm Embedded.com~Site InfoWhoisTrace RouteRBL Check
Wikipedia: Control Theory Comprehensive overview and glossary about the theory. Includes definitions, mathematical aspects, historical background and examples. http://en.wikipedia.org/wiki/Control_theory Wikipedia.org~Site InfoWhoisTrace RouteRBL Check
Model Order Reduction Topic connected to dynamical systems in application to reducing complexity of a dynamical control system. Includes introduction to this field, documents and codes. http://web.mit.edu/mor/ Mit.edu~Site InfoWhoisTrace RouteRBL Check