I've read every single word that Thomas Jefferson and Benjamin Franklin ever wrote that survived to be collected into the various volumes of their collected writings.
Regulated has always meant "controlled".
The pressure regulator schtick sounds like some BS the NRA came up with after snorting some coke through the pile of rubles Putin gave them to poison the minds of Americans.
Here's the full text of the Federalist Papers: https://www.gutenberg.org/files/1404/1404-h/1404-h.htm
"regulated" appears 26 times, often in a military context, and it always means what everyone thinks it means and is never used the way you propose.
>Elections in Ireland, till of late, were regulated entirely by the discretion of the crown, and were seldom repeated, except on the accession of a new prince, or some other contingent event.
Do you have any historical examples that support your usage of the word?