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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >OPTYRE—Real Time Estimation of Rolling Resistance for Intelligent Tyres
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OPTYRE—Real Time Estimation of Rolling Resistance for Intelligent Tyres

机译：OPTYRE-智能轮胎滚动阻力的实时估算

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摘要

The study of the rolling tyre is a problem framed in the general context of nonlinear elasticity. The dynamics of the related phenomena is still an open topic, even though few examples and models of tyres can be found in the technical literature. The interest in the dissipation effects associated with the rolling motion is justified by their importance in fuel-saving and in the context of an eco-friendly design. However, a general lack of knowledge characterizes the phenomenon, since not even direct experience on the rolling tyre can reveal the insights of the correlated different dissipation effects, as the friction between the rubber and the road, the contact kinematics and dynamics, the tyre hysteretic behaviour and the grip. A new technology, based on fibre Bragg grating strain sensors and conceived within the OPTYRE project, is illustrated for the specific investigation of the tyre dissipation related phenomena. The remarkable power of this wireless optical system stands in the chance of directly accessing the behaviour of the inner tyre in terms of stresses when a real-condition-rolling is experimentally observed. The ad hoc developed tyre model has allowed the identification of the instant grip conditions, of the area of the contact patch and allows the estimation of the instant dissipated power, which is the focus of this paper.
机译：滚动轮胎的研究是在非线性弹性的一般背景下提出的一个问题。尽管在技术文献中找不到轮胎的示例和模型，但相关现象的动力学仍然是一个开放的话题。人们对与滚动运动相关的耗散效应的兴趣是通过其在节省燃油和环保设计方面的重要性来证明的。然而，普遍缺乏知识是这种现象的特征，因为甚至连滚动轮胎上的直接经验都无法揭示出相关的不同耗散效应的见解，例如橡胶与道路之间的摩擦，接触运动学和动力学，轮胎滞后性。行为和抓地力。说明了一项基于光纤布拉格光栅应变传感器并在OPTYRE项目中构想的新技术，该技术专门用于研究轮胎耗散相关现象。当通过实验观察到实况滚动时，此无线光学系统的强大功能使他们有机会直接根据应力获取内胎的性能。临时开发的轮胎模型可以识别即时抓地力条件，接触斑区域，并可以估计即时耗散功率，这是本文的重点。

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