System and method for determining the position of an elevator car of an elevator installation

A system and a method determine the position of an elevator car of an elevator installation, which elevator car is arranged movably in an elevator shaft. The system has a computing unit and an image-capturing unit that are arranged on the elevator car. The image-capturing unit records images of shaf...

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Bibliographic Details
Main Authors Rüegg, André, Scherrer, Daniel, Brossi, Steven, Bitzi, Raphael
Format Patent
LanguageEnglish
Published 28.09.2021
Subjects
CALCULATING
COMPUTING
COUNTING
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
LIFTING
PERFORMING OPERATIONS
PHYSICS
TRANSPORTING
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Summary:A system and a method determine the position of an elevator car of an elevator installation, which elevator car is arranged movably in an elevator shaft. The system has a computing unit and an image-capturing unit that are arranged on the elevator car. The image-capturing unit records images of shaft components or shaft equipment used for other functions and transmits the images to the computing unit. The computing unit compares a currently recorded image with at least one stored comparison image of the shaft components or shaft equipment in the direction of travel of the elevator car so as to determine the current position of the elevator car in the direction of travel. The computing unit compares the currently recorded image with the stored comparison image also transversely to the direction of travel so as to determine the current position of the elevator car in the direction of travel.
Bibliography:Application Number: US201816603668