When one steps beyond basic feedback control, cascade and ratio control are probably the first of the so-called advanced regulatory control techniques one encounters. In a cascade control system, one ...

Plant engineers and technicians are frequently asked to tune the controller when a control loop’s process value has prolonged or significant excursions from the set point. But in many instances, no ...

Steam valves are used to control the flow and pressure level of steam and heated water vapor. Steam is used in a large number of industrial applications. It is used for powering turbines to generate ...