Closed loop
From Wikipedia, the free encyclopedia
Closed loop can refer to
- Closed-loop controller in control theory
- PID controller, a commonly used closed-loop controller
- Sanitation system where waste material is stored within the vehicle instead of ejecting it outside (eg. ship toilets)
- Closed ecological system where the system doesn't rely on matter exchange with outside of the system. The opposite being an open loop where outside material to support life is needed (eg. ISS).