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Related Experiment Video

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Tire-Pressure Identification Using Intelligent Tire with Three-Axis Accelerometer.

Bing Zhu1, Jiayi Han2, Jian Zhao3

  • 1State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130025, China. zhubing@jlu.edu.cn.

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|June 15, 2019
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Summary
This summary is machine-generated.

This study introduces an intelligent tire system using 3-axis accelerometers to accurately monitor tire pressure. The developed scheme effectively identifies real-time tire pressure, enhancing vehicle safety and performance.

Keywords:
accelerometerintelligent tirestire pressurewheel vibration

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Area of Science:

  • Automotive Engineering
  • Sensor Technology
  • Vibration Analysis

Background:

  • Intelligent tires are crucial for vehicle safety and maneuverability.
  • Tire pressure significantly impacts vehicle performance and safety.
  • Accurate, real-time tire pressure monitoring is essential.

Purpose of the Study:

  • To propose a novel tire-pressure identification scheme using an intelligent tire.
  • To leverage 3-axis accelerometers as the primary sensing system for tire pressure detection.
  • To enable real-time tire pressure identification during routine driving.

Main Methods:

  • Developed an intelligent tire prototype equipped with three 3-axis accelerometers.
  • Conducted data acquisition tests under various tire pressures.
  • Filtered vibration acceleration data, focusing on the rim's circumferential direction.
  • Established a relationship between tire pressure and the rim's characteristic frequency.

Main Results:

  • Demonstrated that 3-axis accelerometers can accurately detect tire pressure with minimal electronic components.
  • Successfully identified tire pressure in real-time using the developed scheme.
  • Verified the scheme's accuracy with actual vehicle data across different tire pressures.

Conclusions:

  • The proposed intelligent tire system effectively identifies tire pressure using 3-axis accelerometers.
  • The established relationship between rim vibration frequency and tire pressure is reliable.
  • The scheme offers a promising solution for accurate, real-time tire pressure monitoring.