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| Preface | |
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| Introduction | |
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| Process Control System | |
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| Important Terms and Objective of Automatic Process Control | |
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| Regulatory and Servo Control | |
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| Transmission Signals, Control Systems, and Other Terms | |
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| Control Strategies | |
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| Feedback Control | |
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| Feedforward Control | |
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| Summary | |
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| Process Characteristics | |
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| Process and Importance of Process Characteristics | |
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| Types of Processes | |
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| Self-Regulating Processes | |
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| Single-Capacitance Processes | |
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| Multicapacitance Processes | |
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| Transmitters and Other Accessories | |
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| Obtaining Process Characteristics from Process Data | |
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| Questions When Performing Process Testing | |
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| Summary | |
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| Reference | |
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| Problems | |
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| Feedback Controllers | |
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| Action of Controllers | |
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| Types of Feedback Controllers | |
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| Proportional Controller | |
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| Proportional-Integral Controller | |
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| Proportional-Integral-Derivative Controller | |
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| Proportional-Derivative Controller | |
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| Reset Windup | |
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| Tuning Feedback Controllers | |
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| Online Tuning: Ziegler-Nichols Technique | |
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| Offline Tuning | |
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| Summary | |
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| References | |
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| Problems | |
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| Cascade Control | |
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| Process Example | |
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| Implementation and Tuning of Controllers | |
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| Two-Level Cascade Systems | |
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| Three-Level Cascade Systems | |
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| Other Process Examples | |
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| Closing Comments | |
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| Summary | |
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| References | |
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| Ratio, Override, and Selective Control | |
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| Signals and Computing Algorithms | |
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| Signals | |
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| Programming | |
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| Scaling Computing Algorithms | |
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| Significance of Signals | |
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| Ratio Control | |
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| Override, or Constraint, Control | |
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| Selective Control | |
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| Designing Control Systems | |
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| Summary | |
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| References | |
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| Problems | |
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| Block Diagrams and Stability | |
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| Block Diagrams | |
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| Control Loop Stability | |
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| Effect of Gains | |
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| Effect of Time Constants | |
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| Effect of Dead Time | |
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| Effect of Integral Action in the Controller | |
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| Effect of Derivative Action in the Controller | |
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| Summary | |
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| Reference | |
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| Feedforward Control | |
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| Feedforward Concept | |
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| Block Diagram Design of Linear Feedforward Controllers | |
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| Lead/Lag Term | |
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| Extension of Linear Feedforward Controller Design | |
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| Design of Nonlinear Feedforward Controllers from Basic Process Principles | |
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| Closing Comments on Feedforward Controller Design | |
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| Additional Design Examples | |
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| Summary | |
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| References | |
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| Problem | |
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| Dead-Time Compensation | |
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| Smith Predictor Dead-Time Compensation Technique | |
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| Dahlin Controller | |
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| Summary | |
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| References | |
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| Multivariable Process Control | |
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| Pairing Controlled and Manipulated Variables | |
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| Obtaining Process Gains and Relative Gains | |
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| Positive and Negative Interactions | |
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| Interaction and Stability | |
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| Tuning Feedback Controllers for Interacting Systems | |
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| Decoupling | |
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| Decoupler Design from Block Diagrams | |
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| Decoupler Design from Basic Principles | |
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| Summary | |
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| References | |
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| Problem | |
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| Case Studies | |
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| Ammonium Nitrate Prilling Plant Control System | |
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| Natural Gas Dehydration Control System | |
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| Sodium Hypochlorite Bleach Preparation Control System | |
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| Control System in the Sugar Refining Process | |
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| Sulfuric Acid Process | |
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| Fatty Acid Process | |
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| Reference | |
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| Processes for Design Practice | |
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| Installing the Programs | |
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| NH[subscript 3] Scrubber | |
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| Catalyst Regenerator | |
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| Mixing Process | |
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| Index | |