The Prediction and Analysis of the Dynamic Responses of Compensating Ropes in the Freedom Tower Elevator System: Part1: S1, S2 and S3 Banks

Research output: Book/ReportCommissioned Report

Abstract

In high-rise elevator applications the inertial load caused by the building sway excites the elevator suspension and compensating ropes. Most affected, due to their low tension, are compensating ropes. The ropes are of time varying length when the elevator is in motion and their natural frequencies vary during travel. Transient resonance conditions arise when the fundamental modes of the building are excited by wind and the building frequencies become close to the natural frequencies of the compensation ropes.

The objectives of this study are:
• To develop a model for the analysis of the dynamic behaviour of the compensating rope system.
• To carry out computer simulations to predict the rope response.
• To devise guidelines for the selection of compensating rope assembly parameters.
Original languageEnglish
Commissioning bodyThyssenKrupp Elevator Corporation
Number of pages37
Publication statusAccepted/In press - 15 May 2009

Keywords

  • Dynamic Responses
  • Compensating Ropes
  • Freedom Tower Elevator System
  • Elevator systems
  • Lift systems
  • Lift

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