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ADVANCED SMOOTH RESCUE OPERATION

  • US 20170247222A1
  • Filed: 02/29/2016
  • Published: 08/31/2017
  • Est. Priority Date: 02/29/2016
  • Status: Active Grant
First Claim
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1. A method of operating an elevator system, the method comprising:

  • detecting, using a controller, when an external power source is unavailable;

    controlling, using the controller, a plurality of components of the elevator system, wherein controlling comprises operating at least one of an elevator car, a drive unit, an inverter and a brake;

    detecting, using the controller, an original direction of travel of the elevator car;

    detecting, using the controller, a mode of the elevator car, wherein the mode includes at least one of a motoring mode, a near balance mode, and a regenerative mode;

    determining, using the controller, a target floor, andadjusting, using the controller, a velocity of the elevator car to reach the target floor in response to the mode detected;

    wherein secondary power is provided to the brake, elevator doors, and a positional reference system in the controller;

    wherein secondary power is not provided to a drive unit to propel the elevator.

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