Road Type Classification Using Time-Frequency Representations of Tire Sensor Signals

Dózsa, Tamás and Jurdana, Vedran and Segota, Sandi Baressi and Volk, János and Radó, János and Soumelidis, Alexandros and Kovács, Péter (2024) Road Type Classification Using Time-Frequency Representations of Tire Sensor Signals. IEEE ACCESS, 12. pp. 53361-53372. ISSN 2169-3536

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Abstract

Smarttire technologies offer a novel sensing methodology for vehicle environment perception by providing direct measurements of tire dynamics parameters. This information can be utilized in advanced driver assistance systems as well as autonomous vehicle control to enhance vehicle performance and safety. Considering these criteria, we develop algorithms for categorizing road types based on tire sensor signals. Road differentiation is a complex task due to the non-linear and non-stationary nature of the measured tire signals. To address this challenge, we fuse time-frequency distributions with machine learning approaches. Maintaining the robustness of the predictions, we integrate our own measurement system into a Nissan Leaf test vehicle and collect data involving diverse environmental factors and operational conditions, mimicking real-world scenarios. We showed that by experiments our predictions strongly correlate with road quality, which can be utilized in automatic vehicle control, such as intelligent speed adaptation.

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