Real-time measuring method for longitudinal attachment characteristic of tyre and pavement and measuring vehicle therefor
A technology for real-time measurement and test vehicles, applied in the field of test vehicles, to achieve the effects of low test cost, wide test range, and strong real-time performance
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[0026] The present invention is described in further detail below with regard to the embodiment that accompanying drawing provides.
[0027] The real-time measurement method of tire and road surface longitudinal adhesion characteristic of the present invention is that the tire to be tested is installed on the wheel of the test vehicle that carries out road surface driving and carries out the mensuration under the actual road surface condition, installs a torque / torque on the drive wheel of test vehicle The speed sensor measures the driving torque and wheel speed on the wheel, according to the load N of the test wheel and the radius r of the wheel w , the adhesion coefficient between the wheel tire and the road surface can be calculated by the following formula (1); a speed sensor is installed on the driven wheel of the test vehicle to measure the wheel speed of the driven wheel, and the driven wheel rotation line The speed is regarded as the vehicle speed, and the slip rate of...
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