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首页> 外文会议>EAEC European automotive congress >COMPARATIVE ANALYSIS OF BRAKE DATA OF VEHICLES ON DIFFERENT BRAKE ROLLER TESTERS FROM MINISTRY OF TRANSPORT
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COMPARATIVE ANALYSIS OF BRAKE DATA OF VEHICLES ON DIFFERENT BRAKE ROLLER TESTERS FROM MINISTRY OF TRANSPORT

机译：运输部不同制动辊测试仪车辆制动数据的比较分析

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This research has been carried out by the mechanical engineering staffs at the mechanical laboratory at the Miguel Hernández University in Elche. This study gives a comparison between what occurs when braking on different Ministry of Transport (MOT) brake tester. We have analysed mathematical formulas about braking on bank of rolling and we indicate which factors should influence in brake on rollers in theory. We have already study what occurs when many other parameters were changed like: tyre pressure, tyre tread, load etc... But now we study the influence of distance between rollers in brake and slip. The car stops on the bank of rollers. The emergency brake should not be actuated. Then the rollers move at 5km/h of speed and we have to press brake pedal until we obtain 100% of slippage.This velocity is enough to obtain 100% of slippage. The pressure in the brake hydraulic circuit on the right wheel of the vehicle is also measured with a hydraulic sensor in hydraulic pipe of the right wheel. We can obtain the slip if we measure the angular velocity of wheel and roller. We obtain angular velocity from 2 encoders fitted one on the brake roller tester and the other one on wheel of the vehicle. In Michel hernandez University we have two MOT bank of rollers, with different distance between rollers, where we have mesured brake and slip and we have compared the resoults with others MOT station with other distance between rollers, and we analyce the diference. We compare data acquired with theoric formulas to provide a new formula that depends on distance of rollers. This paper demonstrates that the MOT brake and slide data results depend on the distance between rollers and we provide data and graphs to prove it.
机译：这项研究由MiguelHernández大学的机械实验室在Elche中的机械实验室进行。本研究在不同运输部（MOT）制动测试仪上制动时发生的比较。我们已经分析了关于轧制岸边制动的数学公式，我们表示应该在理论上对辊子的制动器影响到哪些因素。我们已经研究了许多其他参数发生变化时发生的事情：轮胎压力，轮胎胎面，负载等......但现在我们研究了制动和滑动中滚轮之间距离的影响。汽车停在滚筒岸边。应不会启动紧急制动器。然后滚轮以5km / h的速度移动，我们必须按下制动踏板直至获得100％的滑动。该速度足以获得100％的滑动。在车辆右轮的右轮上的制动液压回路中的压力也用右轮的液压管中的液压传感器测量。如果我们测量轮子和滚轮的角速度，我们可以获得滑块。我们从制动辊测试仪上装配一个编码器的角速度，在车轮的轮上安装一个编码器。在Michel Hernandez大学，我们有两个MOT银行的滚轮，滚轮之间的距离不同，我们有遮挡的制动和滑动，我们已经将隆起与其他滚轮之间的其他距离与其他距离进行了比较了。我们比较用Moric Formulas获取的数据来提供依赖于滚轮距离的新配方。本文展示了MOT制动和幻灯片数据结果取决于滚筒之间的距离，我们提供数据和图形来证明它。

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