2.11(a). The problem is that many theories in control are based on a simple closed-loop or single-block structure [Fig. 2.11(b)]. Figure 2.11: (a) Example of a feedback-system block diagram, (b) ...

Block diagrams close block diagramA diagram of a system represented by blocks connected by lines. are clear, simple diagrams showing all of the input, process and output elements that make up the ...