Which is NOT a characteristic of loop interaction in control systems?

In control systems, loop interaction refers to the influence that one control loop has on another, which is characterized by several key attributes. One of these attributes is the idea that loops within a system do not operate in complete isolation; instead, they can affect one another in various ways.

The correct choice illustrates that "Complete isolation of loops" does not align with the definition of loop interaction. When control loops are interacting, changes in one loop can lead to responses in another, indicating a level of interdependence that challenges the notion of isolation. Therefore, the presence of influences among loops can lead to complexity in system behavior and tuning, as well as indicating interactions inherent in system dynamics.

This understanding of loop interaction is essential for effectively designing and tuning control systems, as neglecting these interactions can lead to suboptimal performance and stability issues. Understanding that loops are often interconnected helps technicians anticipate and mitigate potential problems during operation.