| Control Tutorials for Matlab: Comprehensive tutorials about the control theory and its applications from the University of Michigan, USA. Addresses basics, modelling, controller design, transients and digital control, with animations and source codes. |
| Adjusting PID Gains: Describes the adjustment procedure of PID gains. Includes transient plots. |
| 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. |
| Classical Feedback Control with Matlab: Scientific article on the closed loop control. Addresses system design, filtering, control optimization, stability, Bode and Nyquist diagrams. |
| 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 101: Describes the basics of PID algorithms. Addresses proportional, integral and derivative components and their effects. |
| Control Theory and Engineering Links from Theorem.Net: List of resources, applets and publications. |
| Control Tutorials for Matlab: PID Tutorial: Introduction to the theory with focus on PID control. Includes background and examples with source code. |
| Design and Analysis of Control Systems Research Laboratory: Department of the University of Massachusetts, USA, concerned with control research. Includes publications, research topics and contact information. |
| Digital Control Tutorial: Explains the digital control theory and its applications in microprocessor-based controllers. Addresses z-transformation, stability and transient response. |
| FAQ on PID Controller Tuning: Introduction to PID feedback controller. Includes mathematical background, tuning aspects, implementations and tutorials. |
| Feedback and Temperature Control: Scientific article about temperature controller. Addresses controller types, algorithms, transient responses and simulations. |
| 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. |
| Nyquist Stability: Explains the basics of the Nyquist controller stability criteria. Includes diagrams and Bode plots. |
| PID Control - System Characterization – Stability: Comprehensive article about PID control and related stability aspects. |
| 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. |
| Resource Center for Engineering Laboratories on the Web: Resource center dedicated to the control and process dynamics of the University of Tennessee. Includes interactive experiments, tutorials and publications. |
| 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. |
| System-Specific PI Control Theory for Fluid and Motion Systems: Scientific summary about analytical PI and PID control tuning methods. |
| The Nyquist Criterion Using Bode Plots: Explains the controller stability criteria based on the Nyquist frequency response. Includes mathematical formulations and diagrams. |
| 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. |
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