9. STABILITY IN FREUQENCY DOMAIN
9.1 Introduction
9.2 Mathematical Preliminaries
9.3 Nyquist Stability Criterion
9.4 Assessment of Relative Stability Using Nyquist Criterion
9.5 Closed-loop Frequency Response
9.6 Sensitivity Analysis in Frequency Domain
11. DIGITAL CONTROL SYSTEMS
11.1 Introduction
11.2 Spectrum Analysis of Sampling Process
11.3 Signal Reconstruction
11.4 Difference Equations
11.5 The z-transform
11.6 The z-transfer Function (Pulse Transfer Function)
7. THE ROOT LOCUS TECHNIQUE
7.1 Introduction
7.2 The Root Locus Concept
7.3 Construction Root Loci
7.4 Root Contours
7.5 System with Transportation Lag
12. STATE VARIABLE ANALYSIS AND DESIGN
12.1 Introduction
12.2 Concepts of State, State Variables and State Model
12.3 State Models for Linear Continuous-time Systems
4. CONTROL SYSTEMS AND COMPONENTS
4.1 Introduction
4.2 Linear Approximation of Nonlinear Systems
4.3 Control Components
4.4 Stepper Motors
4.5 Hydraulic Systems
4.6 Pneumatic Systems
A physical system is a collection of physical objects connected together to perform a job. For example Governing mechanism of a steam turbine is one of example of physical systems.
