Resilient operation of a heating, ventilation, and air conditioning system

In one embodiment, an HVAC system includes a first control unit communicatively coupled to a first plurality of HVAC units and a second control unit communicatively coupled to a second plurality of HVAC units. The first control unit may connect to the second control unit using a Wi-Fi direct protoco...

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Bibliographische Detailangaben
Hauptverfasser:	Ho, Nguyen T, Khiani, Sunil K, Charavda, Jayprakash, Castillo, Daniel A
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HEATING LIGHTING MECHANICAL ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS RANGES REGULATING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION VENTILATING WEAPONS WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	In one embodiment, an HVAC system includes a first control unit communicatively coupled to a first plurality of HVAC units and a second control unit communicatively coupled to a second plurality of HVAC units. The first control unit may connect to the second control unit using a Wi-Fi direct protocol to create an HVAC control network. The first control unit and second control unit may each detect and connect to a Wi-Fi network comprising a wireless access point. The first and second control units may then communicate concurrently over both the HVAC control network and the Wi-Fi network. The first control unit may detect a user device over the Wi-Fi network, receive a first command from the user device over the Wi-Fi network, and communicate the first command to the second control unit over the Wi-Fi network. The first control unit may detect a communication failure in the Wi-Fi network, communicate with the user device over the HVAC network using the Wi-Fi direct protocol, receive a second command from the user device over the HVAC control network, and transmit the second command to the first plurality of HVAC units.