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  2. Pressure regulator - Wikipedia

    en.wikipedia.org/wiki/Pressure_regulator

    A back-pressure regulator, back-pressure valve, pressure sustaining valve or pressure sustaining regulator is a control valve that maintains the set pressure at its inlet side by opening to allow flow when the inlet pressure exceeds the set value. It differs from an over-pressure relief valve in that the over-pressure valve is only intended to ...

  3. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    Pressure control provided only a proportional control that, if the control gain was too high, would become unstable and go into overshoot with considerable instability of depth-holding. The pendulum added what is now known as derivative control, which damped the oscillations by detecting the torpedo dive/climb angle and thereby the rate-of ...

  4. Regulator (automatic control) - Wikipedia

    en.wikipedia.org/wiki/Regulator_(automatic_control)

    In automatic control, a regulator is a device which has the function of maintaining a designated characteristic. It performs the activity of managing or maintaining a range of values in a machine. The measurable property of a device is managed closely by specified conditions or an advance set value; or it can be a variable according to a ...

  5. Control valve - Wikipedia

    en.wikipedia.org/wiki/Control_valve

    Control valve. A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. [1] This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level. In automatic control terminology, a control ...

  6. Regulator - Wikipedia

    en.wikipedia.org/wiki/Regulator

    Regulator (timepiece), a device in mechanical timepieces attached to the balance spring for adjusting the rate of the balance wheel. Regulator precision pendulum clock, originally used as a time-standard for adjusting or regulating other clocks and watches. Regulator, the throttle of a steam engine. Regulator, a component of Uilleann pipes, a ...

  7. Setpoint (control system) - Wikipedia

    en.wikipedia.org/wiki/Setpoint_(control_system)

    A setpoint can be any physical quantity or parameter that a control system seeks to regulate, such as temperature, pressure, flow rate, position, speed, or any other measurable attribute. In the context of PID controller, the setpoint represents the reference or goal for the controlled process variable. It serves as the benchmark against which ...

  8. Control system - Wikipedia

    en.wikipedia.org/wiki/Control_system

    Its name comes from the information path in the system: process inputs (e.g., voltage applied to an electric motor) have an effect on the process outputs (e.g., speed or torque of the motor), which is measured with sensors and processed by the controller; the result (the control signal) is "fed back" as input to the process, closing the loop.

  9. Pressure cooker - Wikipedia

    en.wikipedia.org/wiki/Pressure_cooker

    An electric pressure cooker integrates a timer. Depending on cooking control capability, there are three generations of electric pressure cookers: [15] First-generation electric, with mechanical timer. There is no delayed cooking capability. Second-generation electric, with digital controller. Delayed cooking becomes possible and the controller ...

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