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April 26, 2026Transactions of the JSME (in Japanese)Open Access

Estimation of maximum displacement of elevator rope while car driving during earthquake using a single displacement sensor

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Authors

RNRyoji NAKANISHINMNanako MIURATOTetsu Ogawa

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Overview

Randomized trial estimates maximum displacement of elevator ropes during earthquakes, indicating operational safety standards.

Key Points

  • This research aims to develop a method for estimating the maximum displacement of elevator ropes during earthquakes to ensure safe operation.
  • Proposed a method using Short Time Fourier Transform on displacement data near the traction sheave.
  • Analyzed the vibration modes of the elevator rope under different earthquake conditions and car velocities.
  • Conducted analysis using six types of earthquakes and four car velocity patterns.
  • Achieved estimation accuracy of approximately 10% error at a car velocity of 1.0 m/s.
  • Identified that error increased as car velocity rose, indicating sensitivity to speed changes.
  • Observed variation in error magnitude depending on the seismic wave characteristics.

Cite This Study

NAKANISHI et al. (2026) studied this question.

synapsesocial.com/papers/69edab424a46254e215b356chttps://doi.org/10.1299/transjsme.26-00013
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Estimation of lateral vibration of elevator ropes with natural frequencies close to those of buildings using displacement measured at a single point2025
  2. 2Study on Reducing Seismic Damage Risk of Elevator Ropes2025
  3. 3Development of a Controller for Rope Vibration in a Building‐Induced Cable‐Guided Hoisting System Under Seismic Excitation2025 · 2 citations
  4. 4Horizontal Vibration of the Coupled Rope–Car–Rail System in High-Speed Elevators Under Building Sway Excitation2025 · 2 citations
  5. 5Effects of building story drift angle caused by earthquakes on elevator guide rails2026