| 摘要 |
<p>A device for estimating the rolling resistance of a wheel (2) of a motor vehicle (1), comprising a calculator (7) configured to calculate, while the vehicle is travelling, an instantaneous rolling resistance value (Fr) as a constant coefficient polynomial of values input into the calculator (T, O3 + O4, O2, v, O2) including an engine torque applied to the wheels of the vehicle, a linear speed of the vehicle, an angular speed of rotation of the wheel, a linear acceleration of the vehicle, and an angular acceleration of the wheel.</p> |
