METHODS AND APPARATUS TO ADJUST OPERATION OF A FLUID FLOW CONTROL ASSEMBLY

METHODS AND APPARATUS TO ADJUST OPERATION OF A FLUID FLOW CONTROL ASSEMBLY

Methods and apparatus to adjust operation of a fluid flow control assembly are disclosed. An example safety valve controller apparatus includes comparator circuitry to compare a current measurement to at least one of a first threshold associated with a first flow setting of a fluid flow control asse...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Amirthasamy, Stanley Felix, Jacobs, Gregory W, Strong, Eric William
Format: Patent
Sprache:eng
Schlagworte:
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Beschreibung
Zusammenfassung:Methods and apparatus to adjust operation of a fluid flow control assembly are disclosed. An example safety valve controller apparatus includes comparator circuitry to compare a current measurement to at least one of a first threshold associated with a first flow setting of a fluid flow control assembly or a second threshold associated with a second flow setting of the fluid flow control assembly, and determine a first drive signal associated with the first flow setting or a second drive signal associated with the second flow setting in response to satisfying a respective one of the first or second thresholds, and current modulating circuitry to determine a third drive signal based on the current measurement, the third drive signal to modulate the flow setting of the fluid flow control assembly between the first and second flow settings.