Chapter 2. Computer Control Systems

2.1 Introduction to Computer Control

2.2 Discretization and Overview of Sampled-data Systems

2.2.1 Discretization nad Choice of Sampling Frequency

2.2.2 Choice of the Sampling Frequency for Control Systems

2.3 Discrete-time Models

2.3.1 Time Domain

2.3.2 Frequency Domain

2.3.3 General Forms of Linear Discreete-time Models

2.3.4 Stability of Discret-time Systems

2.3.5 Steady-state gain

2.3.6 Models of Sampled-data Systems with Hold

2.3.7 Analysis of First-order Systems with Delay

2.3.8 Analysis of Second-order Systems

2.4 Closed-loop Discrete-time Systems

2.4.1 Closed Loop System Transfer Function

2.4.2 Steady-state Error

2.4.3 Rejection of Disturbances

2.5 Basic Principles of Modern Methods for Design of Digital Controllers

2.5.1 Structure of Digital Controllers

2.5.2 Digital Controller Canonical Structure

2.5.3 Control System with PI Digital Controller

2.6 Analysis of the Closed Loop Sampled-data Systems in the Frequency Domain

2.6.1 Closed Loop Systems Stability

2.6.2 Closed Loop Systems Robustness

2.7 Concluding Remarks

2.8 Notes and References