Figure Alteration System
From MediaWiki
A Transformer's Figure Alteration System is responsible for controlling the transformation between their robot and alternate mode. Presumably such systems utilize transformation cogs.
Fiction
Marvel UK comics continuity
According to Blaster, one of the side effects of Nucleon exposure is that the Transformer's Figure Alteration Systems are converted into Energy Storage Reactors, causing the loss of transformation ability. Issue #300 letters section
