Once designed into a system, closed loop fan control can solve the previously described issues. Beat frequencies from slightly out of sync fans are easily eliminated. Precise RPM control also allows ...

The PID speed control can be implemented in firmware or hardware logic. Figure 18 and Figure 19 showa closed-loop implementation in hardware and firmware respectively.With closed-loop speed control, ...

Microsoft plans to deploy a zero-water evaporation design in its upcoming data centers. The closed loop system will first be piloted at its under-construction data centers in Phoenix, Arizona, and ...

The new closed-loop cooling system has helped Process Conversions control process cooling temperatures within plus or minus 3° F, vs. plus or minus 5° F with the old system.