Multi-drive thrust manager for elevator control

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United States of America Patent

PATENT NO 9840395
SERIAL NO

15214648

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to an aspect, an elevator system includes a propulsion system having a plurality of motor segments forming a primary portion and a plurality of drives to impart force on a secondary portion coupled to an elevator car. The elevator system also includes a controller operable to identify a local neighborhood of the drives and determine a health status of each of the drives within the local neighborhood. The controller is further operable to adjust a thrust command per active drive of the local neighborhood based on at least one of the health status and a position of each active drive of the local neighborhood with respect to the secondary portion.

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Patent Owner(s)

  • OTIS ELEVATOR COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chevva, Konda Reddy Ellington, US 9 34
Ginsberg, David Granby, US 48 517
Roberts, Randall Hebron, US 11 92
Schmidt, Walter Thomas Marlborough, US 40 86

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