The fundamental principle of road identification by using angular acceleration of driving wheels was demonstrated in this paper. Based on the analysis of energy conversion and parameters variation during the vehicle drive slip process, the change of adhesion coefficient relative to the angular acceleration were theoretically studied experimentally validated. The variation shows that the change of adhesion coefficient relative to the angular acceleration and the change of slip ratio in the drive slip process have same trend-both of them exist an only optimal angular acceleration corresponding to the peak value of adhesion coefficient. The peak adhesion coefficient of the prototype vehicle is about 0.14 on the ice-covered road surfaces, with the corresponding optimal angular acceleration of about 23.5 rad/s2 and optimal slip ratio of about 9.4%.
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机译：Closure to 'Skeletonizing Pipes in Series within Urban Water Distribution Systems Using a Transient-Based Method' by Yuan Huang, Feifei Zheng, Huan-Feng Duan, Tuqiao Zhang, Xinlei Guo, and Qingzhou Zhang
机译：Discussion of 'Skeletonizing Pipes in Series within Urban Water Distribution Systems Using a Transient-Based Method' by Yuan Huang, Feifei Zheng, Huan-Feng Duan, Tuqiao Zhang, Xinlei Guo, and Qingzhou Zhang
机译：metodi microbiologici Tradizionali e metodi moleculeolari per l'analisi degli integratori alimentari a base di o con probiotici per ujso umano（microbiological and molecular methods for analysis of probiotic Based Food supplements for Human Consumption）。
