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首页> 外文会议>European-African Regional Conference of the Internatinal Society for Terrain Vehicle Systems >3D CONTACT PATCH STRAIN MEASUREMENT OF A ROLLING TYRE VIA THE INSIDE TYRE SURFACE
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3D CONTACT PATCH STRAIN MEASUREMENT OF A ROLLING TYRE VIA THE INSIDE TYRE SURFACE

机译：3D通过内部轮胎表面接触互应测量滚动轮胎

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摘要

Since most vehicle forces are transmitted through the tyre at the tyre-terrain interface, knowledge of the forces produced at this interface is of great benefit for vehicle dynamics and control. As the contact patch is hidden between the tyre and the road, several studies have focused on measuring tyre strain on the inside surface of the tyre to determine tyre forces. Many of these studies have been performed on passenger tyres with very homogeneous treads. This study focused on an agricultural tyre with large lugs which results in large strain changes across the contact patch. This study aims at measuring the forces transferred to an agricultural tyre and the resulting strain on the inside of the tyre in contact with the test surface on a variable speed rolling drum with varying inflation pressures, loads and slip angles. The tyre is instrumented with a system termed the Tyre Terrain Camera (T2Cam) which consists of a calibrated stereo camera rig that can measure full-field inner tyre surface deformation and strains of a static or rolling tyre. This study focused on initial test result on a rolling drum.
机译：由于大多数车辆透过轮胎地形界面的轮胎传递，因此在该界面产生的力的知识对于车辆动力学和控制具有很大的好处。随着接触贴片隐藏在轮胎和道路之间，几项研究集中在轮胎内表面上测量轮胎应变以确定轮胎力。这些研究中的许多研究已经在具有非常均匀的胎面的乘客轮胎上进行。本研究专注于具有大凸耳的农业轮胎，导致接触贴片的大应变变化。该研究旨在测量传送到农用轮胎的力和在轮胎内部的力和所产生的应变与在可变速度滚动鼓上与测试表面接触，具有不同的充气压力，负载和滑动角度。轮胎用系统称为轮胎地形摄像头（T2CAM），该系统由校准的立体声相机钻机组成，可以测量静态或滚动轮胎的全场内胎表面变形和菌株。本研究专注于滚动鼓上的初始测试结果。

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