Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Closed-loop feedback system. The operator preset a target tidal volume (VT), through a feedback signal, the system measures the tidal volume of the patient (VT observed). The target VT and VT observed are compared (added or subtracted) and then an error signal is sent to the controller, which regulates the received signal and makes adjustments as needed to send an output signal, resulting in a desired breathing pattern, which can be eventually measured
