A controller is a device that generates an output signal based on the input signal it receives.
The input signal is actually an error signal, which is the difference between the measured variable, and the desired value, or setpoint.
The … Read more
Tag: Feedback control
Feedback Control System
The basic elements of a feedback control system are represented by the block diagram below. The functional relationships between these elements are also shown in the diagram.
The block diagram represents flow paths of control … Read more
Principles of Control Systems
A control system is a system of integrated elements whose function is to maintain a process variable at a desired value or within a desired range of values. The control system monitors a process variable or variables, and then causes … Read more