The solenoid valve in this system can be modeled as a mass-spring-damper system. It controls the flow rate in a fluid tank by adjusting the position of a mechanical spool within the valve. This spool ...

Abstract: This paper suggests the use of a cascade control system combining a proportional integral derivative (PID) and a fractional order proportional integral derivative (FOPID) controller as a ...

DEIR AL-BALAH, Gaza Strip (AP) — Israeli Prime Minister Benjamin Netanyahu said Thursday he will give final approval for takeover of Gaza City while also restarting negotiations with Hamas aimed at ...

Abstract: In the water treatment process, the free chlorine residual (FCR) of treated water is a critical metric for the post-chlorination process. However, the stability of this process is ...