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Related Experiment Video

Updated: Jun 6, 2025

A Vibrotactile Feedback Device for Seated Balance Assessment and Training

A Vibrotactile Feedback Device for Seated Balance Assessment and Training

Published on: January 20, 2019

City bus seat vibration analysis using 6-axis accelerometer and gyroscope sensors.

David Eager¹, Md Imam Hossain², Anna Lidfors Lindqvist¹

¹Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney, 2007, Australia.

Scientific Reports

|December 2, 2024

Summary

City bus seat vibration was analyzed using acceleration data. Peak vibrations were identified in longitudinal, lateral, and vertical directions, with vertical acceleration being the highest.

Keywords:

Bus running Bus seat vibration G-force Jerk Motion sickness Transport system comfort Vehicle vibration analysis

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Last Updated: Jun 6, 2025

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Area of Science:

Transportation Engineering
Vibration Analysis
Human Factors

Background:

City bus seat vibration is a significant factor affecting passenger comfort and vehicle design.
Understanding vibration patterns is crucial for improving the riding experience.

Purpose of the Study:

To analyze different modes and cycles of city bus seat vibration.
To identify peak vibration modes within typical driving patterns.
To quantify acceleration peak magnitudes in three axes.

Main Methods:

Utilized a 6-axis inertial measurement unit with accelerometer and gyroscope sensors.
Collected data from multiple operating city buses.
Applied algorithmic filters to analyze g-force peaks in time-series data.

Main Results:

Identified key vibration modes and cycles in city bus operations.
Root mean square acceleration magnitude was approximately 0.33 g.
20% of peak acceleration cycles exceeded 0.20 g (longitudinal), 0.18 g (lateral), and 0.27 g (vertical).

Conclusions:

Vertical acceleration peaks were the most significant.
Jerk may be a more accurate measure of passenger discomfort than acceleration.
Results provide a reference for future research and mitigation strategies for bus seat vibration.