Chapter 8.Practical Aspects of Digital Control

8.1 Implementation of Digital Controllers

8.1.1 Choice of Desired Performances

8.1.2 Effect of the Computational Time Delay

8.1.3 Effect of Digital-to-Analog Conversion

8.1.4 Effect of Saturation: Anti Windup Device

8.1.5 Bumpless Transfer from Open Loop to Closed Loop Operation

8.1.6 Digital Cascade Controlo

8.1.7 Hardware for Controller Operation

8.1.8 Measuring the Quality of a Control Loop

8.1.9 Adaptive Control

8.2 Digital Control of an Air Heater

8.3 DC Motor Speed Control

8.4 Cascade Position Control of a DC Motor Axis

8.5 Position Control by Means of a Flexible Transmission

8.6 Control of a 360° Flexible Robot Arm

8.7 Control of Deposited Zinc in Hot Dip Galvanizing (Solac- Florange)

8.7.1 Description of the Process

8.7.2Process Model

8.7.3 Model Identification

8.7.4 Controller Design

8.7.5 Open Loop Adaptation

8.7.6 Results

8.8 Concluding Remarks

8.9 Notes and References