Greg: If you look at a process flow diagram (PFD), you see there are flows given for each process and hopefully each utility stream. The goal of a control system is to maintain these ratios for the ...

This situation represents the first of two reasons to consider cascade. From a process view, the controller influence on the temperature is the steam flow rate. The controller changes steam flow rate ...

Two-wire transmitter technology came about from an agreement among various instrument suppliers in the 1950s to standardize on 4-20 mA current loops as a means of sending a flow, temperature, pressure ...

There is a push-button above the PI gains box allowing the operator to switch between manual and automatic control. The slider allows one to manually control the fan speed. When the "Save” button is ...

But the key breakthrough came with temperature control.At lower temperatures, the potato-shaped particles were rigid and irregular, and their suspensions exhibited strong shear thickening ...

A real-time temperature control system is designed for microwave heating of a continuous-flow substance. In this system, a magnetron is used as the microwave source, and its output power can be ...

With the increasing ownership of private cars, the problem of traffic congestion in our daily life has become more and more serious. In order to alleviate the traffic congestion and improve the travel ...