Browsing Upper Great Plains Transportation Institute (UGPTI) by Author "Hu, Liuqing"
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Calibration of Smartphone Sensors to Evaluate the Ride Quality of Paved and Unpaved Roads
Yang, Xinyi; Hu, Liuqing; Ahmed, Hafiz Usman; Bridgelall, Raj; Huang, Ying (2020)Transportation agencies report that millions of crashes are caused by poor road conditions every year, which makes the localization of roadway anomalies extremely important. Common methods of road condition evaluation ... -
Effects of smartphone sensor variability in road roughness evaluation
Ahmed, Hafiz Usman; Hu, Liuqing; Yang, Xinyi; Bridgelall, Raj; Huang, Ying (2021)Accelerometers embedded in smartphones have become an alternative means of measuring the roughness of roads. However, the differences in their sensitivity and sampling rates between smartphones could produce measurement ...