Useful Links
Engineering
Chemical Engineering
Process Control and Optimization
1. Introduction to Process Control
2. Mathematical Modeling of Chemical Processes
3. Feedback Control Systems
4. Stability of Closed-Loop Systems
5. Advanced Control Strategies
6. Model Predictive Control (MPC)
7. Process Optimization
8. Real-Time Optimization (RTO)
9. Practical Implementation and Applications
Stability of Closed-Loop Systems
Concept of Stability
Definitions of Stability
Bounded Input-Bounded Output (BIBO) Stability
Asymptotic Stability
Marginal Stability
Routh Stability Criterion
Construction of Routh Array
Application to Characteristic Equations
Interpretation of Results
Special Cases
Root Locus Analysis
Root Locus Construction Rules
Effect of Controller Parameters
Stability Assessment
Design Using Root Locus
Frequency Response Analysis
Bode Plots
Construction of Bode Plots
Magnitude Ratio
Phase Angle
Interpretation of Bode Plots
Asymptotic Approximations
Nyquist Plots
Construction and Interpretation
Nyquist Stability Criterion
Encirclement Principle
Stability Margins
Gain Margin
Phase Margin
Determination from Plots
Design Specifications
Previous
3. Feedback Control Systems
Go to top
Next
5. Advanced Control Strategies