Dynamic Tire Pressure Sensor for Measuring Ground Vibration
AbstractThis work presents a convenient and non-contact acoustic sensing approach for measuring ground vibration. This approach, which uses an instantaneous dynamic tire pressure sensor (DTPS), possesses the capability to replace the accelerometer or directional microphone currently being used for inspecting pavement conditions. By measuring dynamic pressure changes inside the tire, ground vibration can be amplified and isolated from environmental noise. In this work, verifications of the DTPS concept of sensing inside the tire have been carried out. In addition, comparisons between a DTPS, ground-mounted accelerometer, and directional microphone are made. A data analysis algorithm has been developed and optimized to reconstruct ground acceleration from DTPS data. Numerical and experimental studies of this DTPS reveal a strong potential for measuring ground vibration caused by a moving vehicle. A calibration of transfer function between dynamic tire pressure change and ground acceleration may be needed for different tire system or for more accurate application. View Full-Text
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Wang, Q.; McDaniel, J.G.; Wang, M.L. Dynamic Tire Pressure Sensor for Measuring Ground Vibration. Sensors 2012, 12, 15192-15205.
Wang Q, McDaniel JG, Wang ML. Dynamic Tire Pressure Sensor for Measuring Ground Vibration. Sensors. 2012; 12(11):15192-15205.Chicago/Turabian Style
Wang, Qi; McDaniel, James G.; Wang, Ming L. 2012. "Dynamic Tire Pressure Sensor for Measuring Ground Vibration." Sensors 12, no. 11: 15192-15205.