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Auto-configuration and automation of a building management system

  • US 9,661,120 B1
  • Filed: 09/21/2016
  • Issued: 05/23/2017
  • Est. Priority Date: 01/20/2016
  • Status: Active Grant
First Claim
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1. A building management system that is automatically configured, comprising:

  • a plurality of lighting devices;

    a plurality of control devices comprising lighting control devices, each lighting control device directly controlling one or more of the lighting devices, wherein each control device comprises;

    a bidirectional wireless network interface enabling the control devices to intercommunicate with each other over a wireless network, anda light sensor detecting light intensity;

    a control processor in communication with the control devices comprising a memory encoding one or more processor-executable instructions, which when executed by the control processor, cause acts to be performed comprising;

    receiving wireless signal strengths of the control devices relative to each other,creating a mesh graph of relative positioning of the control devices to each other using the received wireless signal strengths,cycling through and commanding each lighting control device to perform an on/off operation on one or more lighting device it directly controls,receiving from each control device light intensity readings obtained by its light sensor during each on/off operation, and recording a data set for each control device with changed light intensity readings;

    determining relative positioning of the control devices to the lighting devices using the mesh graph and the recorded data sets, andcreating a virtual floor plan comprising the relative positioning of the control devices to each other and the relative positioning of the control devices to the lighting devices.

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