"safe region" is correct and usable in written English.
You can use it to refer to a physical area that is safe from harm or danger. For example: "The soldiers retreated to the safe region beyond the enemy's border."
Specifically, this work presents an economic model predictive control (EMPC) scheme that utilizes a Safeness Index function as a hard constraint to define a safe region of operation termed the safety zone.
There is an economic impact in developing a safe city and a safe region".
In response, we propose an efficient technique by adopting the concept of a safe region.
This paper presents efficient techniques to create a competent safe region to reduce the communication costs.
The safe region is an area where the set of objects of interest does not change.
If a moving query is roaming within the safe region then there is no need to update the query.
Then out of all the safe regions, which ones are the most scientifically interesting — based on what we call the science value map.
The use of the simulator in association with the QRA also allowed testing the risk in new operating conditions in order to delimit safe regions for the plant.
They also operate in relatively safe regions of the globe, and have an enviable history of maintaining and increasing reserves.
Soon she was off into safe regions of myth.
Quite often when the mainstream media reports on Iraq's security, they drastically fail to differentiate between the geography impacted by the so-called Islamic State (also known as ISIS, or Daesh) and the other safe regions of the country.
