This is a controller with only 2 switching states, that is, the output signal is switched ON and OFF depending…
Analog signals pass continuously through a full range of values for example a measuring device converts the process variable (PV),…
Consider the following figure illustrating a position control system employing a microprocessor-based controller with parallel ports: Figure 1.0 Microprocessor-based controller…
An analog controller typically employs op-amps to provide the necessary gain and signal processing. Let’s consider the flow control system…
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 diagram below shows a digital control system for a drill press that includes: the input, digital processor, drill-positioning mechanisms,…
The block diagram below illustrates the basic elements of a minicomputer system for speed and voltage control as well as…
Before we discuss how to tune the PID controller, let’s look at some basic facts about PID Controller. Basic Facts…