| UW_Complex_Analysis_Seminar_Archive Seminar abstracts starting 1995. |
| Visualizing_Complex_Analytic_Functions_Using_Domain_Coloring Color pictures of complex analytic functions, with rather extensive comments. Hans Lundmark, Dept. of Mathematics, Linköping University, Sweden. |
| 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. |
| The_Nyquist_Criterion_Using_Bode_Plots Explains the controller stability criteria based on the Nyquist frequency response. Includes mathematical formulations and diagrams. |
| 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. |
| 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. |
| Astronomy_Today_-_Cosmology Articles on related topics in popular magazine style. |
| The_Boomerang_Project Cosmic microwave background mapping project. Press releases and downloadable academic papers. |
| A_Brief_History_of_Time quotations from the Stephen W. Hawking book. |
| COBE The Cosmic Background Explorer satellite. Instruments, scientific results, related links. |
| The_Cosmic_Microwave_Background Extensive CMB information from the University of British Columbia. |
| Cosmology Companion site to the PBS mini-series, discussing the challenge to traditional Christian views posed by the scientific understanding of cosmological evolution, and ways in which they might be reconcil |
| Cosmology A collection of links. |
| Cosmology A summary of research areas at the University of Kansas, with links to activities and personnel. |
| Cosmology__A_Research_Briefing An online book from the National Academy of Sciences. Includes chapters on CMBR, the large scale structure of universe, and the physics of the early universe. |
| Cosmology_Books_and_Links Annotated list of books, articles, and websites from a popular course at Sonoma State University. |
| CosmoNet An "interactive book" focusing on the topics of astronomy, cosmology, and theoretical physics. It also provides a number of services including an index of all 88 constellations, several interactive g |
