Servo motors are typically employed in closed-loop position control; for example let us consider the following application, where the angular…
When steam-heated reboilers are used in distillation columns and the heating medium is steam, a flow control loop for the…
Let’s consider the industrial process control system shown below: Figure 1.1 Industrial Process Temperature Control System The requirement is to…
Typically a control system should be designed to work together with an already existing process. The control design problem can…
Fuzzy logic is a human model, potentially applicable to a wide range of processes and tasks that require human instinct…
Transfer Functions A transfer function is a mathematical formulation that relates the output variable of a device to the input…
The block diagram below illustrates the basic elements of a minicomputer system for speed and voltage control as well as…
In many process control systems, microprocessor based programmable logic controllers are used for decision making due to the sophistication of…
Before we discuss how to tune the PID controller, let’s look at some basic facts about PID Controller. Basic Facts…
Most modern PID controllers have the following features: Manual versus automatic modeOutput trackingSetpoint trackingAlarm capabilitiesProcess variable (PV) characterization and dampingSetpoint…
