• Terminology
• Tools
• General
• Adaptive Control
• Cascade Control
• Distributed Control Systems
• Feed Forward
• Fuzzy Logic
• Lambda Tuning
• Model Predictive Control
• PID
• Ratio Control
• Smith Predictor
• Stability
• Batch
• Ziegler-Nichols
• Nyquist Plots

Glossary - Athena

eAutomationPro Glossary - eAutomationPro

Definitions of Commonly Used Terms Used in Heating, Sensing and Controlling - Watlow - The pdf is a good glossary of control terms.

PID Controller Laboratory

General

Controllers and Controlled Systems - Sampson
Considerations for Control Systems Part One: Process Parameters - D. Capano - DTS/Water & Wastewater

Artificial Intelligence ...Within - Control Engineering
Don't Let Heater Control Get You Steamed - Chemical Processing
Controllers and Controlled Systems -Samson
Control Systems 2003 - Dr. Illingworth - University of Leeds
Multivariable Control - Dr. M. J. Willis - University of Newcastle upon Tyne Which Tuning Method Should You Use? - T. Kinney and J. Gerry - Automation.com

The Components of a Control Loop -ControlGuru
Loop Tuning Fundamentals - V. VanDoren - Control Engineering - July 2003
Control Strategies: Selective Control Systems - Techmation
Feedback and Temperature Control - C. Williams - University of Exeter
Model Based Tuning Methods for PID Controllers - Business Industrial Network

Manually Tuning Your Controller - TTI Instruments
Dead-Band or Hysteresis in Control loops - Transtronics
Controller Operation - Newport
Ratio Control - Honeywell
Ratio Control - Eurotherm/Arthur Holland

Duplex Time Proportional Controls - Honeywell
Characteristics of Controllers - Honeywell
Process Characteristics - Honeywell
Control Information from John Shaw - John Shaw
Selection of Temperaure Control - Ogden (At the Ogden web page click on article title in in left sidebar, 7th from top)

Competencies - An excellent discussion of control loops, controllers, and valves - Burkert Fluid Control
Process Control Articles, Software Reviews - ExperTune - A comprehensive collection of process control articles and resources
Buying a Temperature Controller - Eurotherm Controls/Arthur Holland - A discussion of basic controller specifications
Temperature Control - RKC Instrument - A discussion of On/Off & PID control

Adaptive Control - Wikiedia
Robust Adaptive Control - Dr. P. Loannou - University of Southern California (BIG pdf -slow download)
Model-Free Adaptive (MFA) Control - CyboSoft
What is adaptive control? - Technical University of Denmark
Adaptive controllers work smarter, not harder - Dr. V. VanDoren - Control Engineering
High Speed Model Free Adaptive Control - Dr. G. Cheng - Industrial Embedded Systems

Batch S88 Standard Overview - PaControl.com
ANSI/ISA S88 Standard - PaControl.com
S88.01 Tutorial - BatchControl.com
Selling S88 - BatchControl.com
Introduction to S95 - BatchControl.com
ISA-95 Knowledge Center - ISA

WBF Library - World Batch Forum
  •S88 for Beginners - C. Johnson - Lund University/World Batch Forum
  •S88 for End Users - L. Craig - Manufacturing Automation Associates/World Batch Forum
   •S88 for Production Managers - L. Craig - Manufacturing Automation Associates/World Batch Forum
   •S88 for Researchers and Scientists - Z. Verwater-Lukszo - Delft University of Technology/World Batch Forum
   •S88 for Sales People - B. Scholten - TWP Training/World Batch Forum
   •S88 for Universities - C. Johnson - Lund University/World Batch Forum

ANSI/ISA-88.01-1995 Batch Control Part 1: Models and Terminology (Formerly ANSI/ISA-S88.01-1995) - Buy it from ISA
Understanding S88 Batch Control - Rockwell Automation
Should you implement ISA S88 batch controls standards? - Rovisys
ISA S88: 11 Benefits - Rovisys

Distributed Control Systems Primer - D. Capano - DTS/Water & Wastewater

Distributed Control System - Wikipedia

Distributed Control System (DCS) - PAControl

What is a Distributed Control System? - Yahoo

DCS or PLC, What is the Difference - Instrumentation Engineer

Fuzzy Logic - Wikipedia
Fuzzy Logic Tutorial - Seattle Robotics Society
Fuzzy Logic for "Just Plain Folks" - www.fuzzy-logic.com
Fuzzy Logic - Carnegie Mellon School of Computer Science
A brief course in Fuzzy Logic and Fuzzy Control - University of Strathclyde
Fuzzy Systems - A Tutorial - J. Brule- Austin City Links
Tutorial on Fuzzy Logic - Chemical Processing

Should You be Using Lambda Tuning - J. Gerry - ExperTune
Lambda Tuning as a Promising Controller Tuning Method for the Refinery - T. Olsen & B. Bialkowski - Entech Control/ Emerson Process Management
Lambda tuning – how is it calculated? - PLC.net
Maintaining Control Loop Performance - Lambda Controls
A Better Blend - F. McCormack - Chemical Processing

Adjusting PID Gains - T. Bullock - Control Technology
PID and Servos - T. Bullock - Control Technology
PID without a PhD: A Simple Software Controller Design Method - T. Wescott - Wescott Design Services
Control Laws - Alex Brown's Robotics Page
PID Controller Laboratory - Free tools for on-line PID controller tuning

PID Controller - University of Michigan
What Is PID—Tutorial Overview - ExperTune
PID Controllers Explained - J. Smuts, Plant Automation Services/Canadian Process Equipment and Control News
Temperature Control - RKC Instrument - A discussion of on/off, proportional, integral, and derivative temperature control.
PID Loop Tuning Pocket Guide - Controlsoft Inc

PID Control and Control Tuning Techniques - Eurotherm Controls/Mitchell Carr - A thorough description of PID control and tuning techniques
PID Control Technical Notes - ISE Inc
Demystifying PID Tuning Coefficients - Chemical Processing
Tuning of Fuzzy PID Controllers - Chemical Processing

Stand Alone Loop Controllers Make Connections - Control Engineering
PID: Still the One - Control Engineering
Temperature control: PID vs. Fuzzy Logic - Control Engineering
PID Control - HTS

Ratio Control - John Shaw - Process Control Solutions
Control Strategies: Ratio Control Systems - Techmation
Ratio Control: Some of its Applications and Imperfections - A. Holland -Eurotherm
Open and Closed-Loop Feedback Systems: Example: Ratio Control For On/Off Heating Contactor - Industrial-Electricity.com

Burners and Their Ratio Control, Part 4: Ratio Control Hardware - D. Bennet - Process Heating
Burners and Their Control, Part 5: More Ratio Control Hardware - Process Heating
Ratio Blending Systems - Enterprise Automation Inc
SECO/WARWICK Patents Adjustable Ratio Control System for Aluminum - Aluminium Association Inc.