STRAIGHT LINE CONTROL, LLC

STRAIGHT LINE CONTROL, LLCSTRAIGHT LINE CONTROL, LLCSTRAIGHT LINE CONTROL, LLC

STRAIGHT LINE CONTROL, LLC

STRAIGHT LINE CONTROL, LLCSTRAIGHT LINE CONTROL, LLCSTRAIGHT LINE CONTROL, LLC
  • Home
  • Booklet
    • Home
    • Table of Contents
    • Background
    • Summary
    • About the Author
    • Links
  • Software
  • Ordering Information
  • PID Algorithms
  • Contact Us
  • More
    • Home
    • Booklet
      • Home
      • Table of Contents
      • Background
      • Summary
      • About the Author
      • Links
    • Software
    • Ordering Information
    • PID Algorithms
    • Contact Us

  • Home
  • Booklet
    • Home
    • Table of Contents
    • Background
    • Summary
    • About the Author
    • Links
  • Software
  • Ordering Information
  • PID Algorithms
  • Contact Us

Table of Contents

  • CHAPTER 1, GETTING STARTED: Science or Art, History, The Language of Control, Terminology for and Description of Controller Settings, Proportional Action, Integral Action, Reset Windup, Derivative Action, Filter Time, Filter Time and Derivative Action.
  • CHAPTER 2, TUNING RULES AND PROCEDURES: Preparation, Closed-loop Tuning: What to Do, Closed-loop Tuning: How to Do It, Open-loop Tuning: What to Do, Open-loop Tuning: How to Do It, Comparison of Testing Methods, When to Not Tune by the Rules, Tuning Rules Overview.
  • CHAPTER 3, TUNING OBJECTIVES AND EXPECTED LOOP PERFORMANCE: Response to Cyclic Upsets, Factors Affecting the Natural Period.
  • CHAPTER 4, LAGS AND GAINS, BUT MOSTLY LAGS: Dead Time, Integrator, First Order Lag, Combining Building Blocks, Gains.


  • CHAPTER 5, EXAMPLES OF ACTUAL LAGS: Dead Time, Controllers, Pneumatic Transmission Lags, Valves, Transmitters, Temperature Measurement, Tanks (Liquid Flow Lag), Tanks (Compositional Lag), Thermal Process Lags, Typical Natural Periods.
  • CHAPTER 6, CASCADE CONTROL
  • CHAPTER 7, DERIVATIVE ACTION
  • CHAPTER 8, INTERACTIONS AND NONLINEARITIES: Interactions, Nonlinearities, Process, Hardware (Continuous Nonlinearities), Hardware (Discontinuous Nonlinearities), Velocity Limiting, Dead Band, Valves at Limits, Integral (Reset) Windup.
  • CHAPTER 9, POTPOURRI: Digital Control Algorithms, Sampling Frequency and Loop Performance, Load Changes /Upsets / Disturbances, Dampening Noisy Measurements.

Improving Control Uniformity

  • SUMMARY
  • GLOSSARY
  • APPENDIX: Pure Dead Time Process, Process with Dead Time and Integration, Derivative Frequency Response.

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