EXCLUSIVE: The House of Representatives is taking a hard look at the state of the U.S. air traffic control system and what it needs to modernize. Rep. Troy Nehls, R-Texas, chairman of the Aviation ...

Manual methods for PID controller tuning are inadequate ... This study proposes a dual-loop control system: one for PID and Fractional-Order PID (FOPID) control of a solenoid valve that feeds air into ...

This article provides an overview of low-density polyethylene manufacturing technologies.

In general, an LLC converter uses direct frequency control, which has only one voltage loop and stabilizes its output voltage ... The UCC256404 LLC resonant controller from Texas Instruments proves ...

Group of Integration, Modeling, Simulation, Control and ... stabilization by PID controller designed via optimization in the frequency domain. Nonetheless, if the manipulated variable (cooling water ...

Russ Rhinehart’s Question: What are your thoughts about what scan time is needed in different process control applications? I recall a rule from the early digital controller applications ... For any ...

In addition, the controller acts differently during cooling and heating. The heating valve opens and closes ... you have three control loops inside each other. The outer or master loop controls the ...

Reference [9] uses particle swarm optimization algorithm to optimize the PID controller gain of typical pressurized water reactor power control, and the simulation results show that the closed-loop ...

Proportional-integral-derivative (PID) is the most common industrial technology for closed-loop ... (control valve, the heating vessel, the temperature element, and the temperature transmitter), when ...

Closed-loop control systems of insulin delivery may improve glycemic outcomes in young children with type 1 diabetes. The efficacy and safety of initiating a closed-loop system virtually are unclear.

(4,5) Sliding mode controller (SMC ... relationship for the PD/PID control laws to ensure a smooth response. (4) To obtain smooth switching between control laws to ensure nominal closed-loop stability ...