A steam generator is an item of plant equipment that is found in almost every manufacturing site, and its output…
The figure below shows a typical basic furnace used to raise the temperature of a heat-transfer medium that is used…
An analog controller typically employs op-amps to provide the necessary gain and signal processing. Let’s consider the flow control system…
A typical electric solenoid actuator consists of a coil, armature, spring, and stem. This is illustrated in the figure below:…
A pressure control valve is a spring-loaded valve that is capable of maintaining a constant pressure in a system regardless…
Valves are the final element in a control loop, and are critical in providing the correct flow. The valve, usually…
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…
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…
