> For the complete documentation index, see [llms.txt](https://www.learnros2.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.learnros2.com/control-of-dynamic-systems/block-diagram.md).

# Block Diagram

The block diagram is used to visualize the relationships between signals and transfer functions. Here, we present a few building blocks of the block diagram. The third example is a basic closed-loop setup.

<figure><img src="/files/3oPjIN4B5DVlOZvRt2Sa" alt=""><figcaption></figcaption></figure>