Figure 5. Open-loop step tests of a self-regulating, second-order process, and analysis of one step response with the EnTech toolkit. In this example, there are no “loop response coordination” ...

Although each example is from a particular process industry, there are similar problems and solutions in many different process industries—including yours! Figure 1 shows a typical process control ...

Traditionally, electrical control systems were mostly open-loop and required human operators to regulate the process variables to achieve, or maintain, the desired output. The typical sprinkler system ...

“It allows it to be brought down, to let each process loop run better throughout the plant.” That includes, he says, “everything, starting from troublesome single-loop applications to small-dimension, ...