Comparison of PID Control Algorithms - A paper describing the differences among various types of PID control algorithms, provided by ExperTune, Inc.

Ecosse Control HyperCourse - A process control course for chemical engineers available on the WWW. It contains theory, worked examples, interactive exercises and control experiments.

Feedback and Temperature Control - An introduction to the effects of feedback using a PID temperature controller as a case study. An interactive simulation is also provided. From Charles D. H. Williams of the University of Exeter

PID Control Algorithm Information - Description and information about the PID algorithm, including sample code.

Control Systems Lab - A set of experiments at the University of Tennessee that may be controlled through the Web to teach process control theory.

The PID Algorithm for the Process Industries - A description of the PID algorithm, as commonly used by the process industries, written by David W. St. Clair.

2000 American Control Conference - 28-30 June 2000, Chicago, Illinois, USA

PID Tuning - Information on practical PID tuning.

Adaptive Chemical Process Control - The work reported here is part of a collaboration between Los Alamos National Laboratory and DuPont to develop new adaptive control techniques and test the techniques on chemical pilot plants.

Control Systems 2000 Conference - 1-4 May 2000, Victoria, BC, Canada

Center for Integrated Process Modeling Control and Operations - A Georgia Tech chemical engineering project.

Control Engineering Virtual Library - Directory of control engineering links provided by the Control Group in the Department of Engineering at the University of Cambridge.

About Temperature Sensors - An information resource on a wide range of devices that measure temperature.

PID Tutorial for Matlab - A tutorial from Ohio State on the PID algorithm, using Matlab.

Virtual Laboratory: Thermodynamic Equilibrium - Online experiments using Java applets, demonstrating the diffusion process when gases are mixed. From the University of Oregon.

Controlling Equipment - A series of articles describing instrumentation and control of pumps, heat exchangers, vessels and other process equipment.

Books for Engineers - Books, including downloadable e-books, about process measurement and control as well as about other engineering topics.

Process Control Links @AlibagCity.Com - Important Links on Basic and Advanced Process Control.

Interactive Control - Results and techniques of polynomial matrix descriptions (PMDs) of linear systems including equation solvers.

Intelligent process modelling and control - A summary of the research at the Process Engineering Department of the University of Veszprem (Hungary). You can download papers about fuzzy model based control, application of a priori knowledge in identification of fuzzy systems, adaptive fuzzy control, block-oriented modelling, and fuzzy clustering and its application to chemometrics.

FuzzyNet - A research literature center for information exchange on intelligent system designs.

The Automation List(TM) - A non-commercial moderated e-mail list on PLCs, control, standards, and general automation topics with web based archives. Maintained by Control Technology Corporation.

Scripts, tips and fixes for Foxboro's IA series DCS systems - Programs, tools and resources for industrial process control using Foxboro's I/A series DCS. Specific examples from a large gold mill in interior Alaska.

Control Technology Corporation - Tutorials and Reference - Tutorials and Reference about servo controls, PLCs and other topics.