タイヤの変形を利用した路面摩擦係数のリアルタイム測定に関する研究

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  • Measurement of road surface friction coefficient in real-time with measuring the tire deformation

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<p>Measurement of road surface friction coefficient while driving is required for improving advanced driver-assistance systems (ADAS). ADAS uses information obtained from wheel speed sensors, acceleration sensors, etc. However, it is difficult to measure the road surface friction coefficient accurately in real-time with these sensors. Therefore, various studies focus on a tire that is the only part contacting a road surface, use a tire as a sensor measuring road surface friction coefficient. These studies mainly estimated road surface conditions with the deformation or vibration waveform of the bottom of a tire. However, due to the bottom of a tire is easy to deform locally, it is difficult to build a measurement system of tire deformation behavior. This study proposes a method to measure road surface friction coefficient in real-time with strains induced on the side of a tire, which is stably detected, and verify the usefulness of a method by using an experimental apparatus capable of simulating complete slip driving.</p>

収録刊行物

  • 年次大会

    年次大会 2020 (0), J18108-, 2020

    一般社団法人 日本機械学会

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