INTEGRATED SMART ACTUATOR AND VALVE DEVICE

An integrated device in an HVAC system is configured to modify an environmental condition of a building. The device includes a valve configured to regulate the flow of fluid through a conduit, an actuator comprising a motor and a drive device, and a communications mechanism. The communications mecha...

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Bibliographische Detailangaben
Hauptverfasser:	DREES, Kirk, MANN, Joe, MERKL, Christopher, TRIKHA, Dinesh, ROMANOWICH, Gary, DOLL, Herbert, HOBGOOD, Hunter, KHAN, Abu Bakr, VAN BUREN, Rick, PASSONI, Marcello, PRATO, Nicholas, DUENKEL, Gerald, WAGNER, Aaron, WEISS, Kevin
Format:	Patent
Sprache:	eng ; fre ; ger
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:	An integrated device in an HVAC system is configured to modify an environmental condition of a building. The device includes a valve configured to regulate the flow of fluid through a conduit, an actuator comprising a motor and a drive device, and a communications mechanism. The communications mechanism is configured to receive a flow rate setpoint from an external control device of an outer control loop. The device further includes a processing circuit. The processing circuit is configured to determine an actuator position setpoint using a cascaded feedback control mechanism based on the flow rate setpoint and a flow rate measurement from a flow rate sensor of an inner control loop. The valve, the actuator, the communications mechanism, and the processing circuit are located within a common integrated device chassis.