"devise a new system" is a correct and usable phrase in written English.
You can use it when you are talking about creating or inventing a new system or set of rules. For example, "Our team has been tasked with devising a new system for handling customer complaints."
Throughout his studio period before the Revolution, Meyerhold was exploring circus movements, commedia dell'arte, and Japanese theatre in order to devise a new system of training actors.
Congress can then devise a new system to pay doctors, and any increases in fees should be "fully offset with real savings," he said.
In February Gov. Christopher J. Christie set up a committee to devise a new system for encouraging development of lower-priced units.
But no one wanted to propose that baseball should devise a new system to evaluate home runs compared with the prior highest totals.
"Since 2000, when I saw four ponies on one occasion being sold together for a pound, we've been trying to devise a new system to ensure their survival.
But Brussels admitted last week that decades of fisheries policy had resulted in failure and pledged to devise a new system.
When Bretton Woods was breaking down in the 1970s the Europeans devised a new system called the "snake".
Mr. Bowsher said there would be many practical problems in devising a new system to verify work eligibility.
Researchers have devised a new system called Uni-IDM which will enable people to create electronic identity cards for each website they access.
As for the President and Vice President, the Framers devised a new system of indirect election that has become known as the Electoral College.
As it devises a new system and seeks a pragmatic response from the electorate, opposition parties and the media, it must offer clarity and simplicity.
