The major limitation of a conventional feedback control system is that the correction for disturbances does not start until the…
Servo motors are typically employed in closed-loop position control; for example let us consider the following application, where the angular…
Analog signals pass continuously through a full range of values for example a measuring device converts the process variable (PV),…
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…
