The invention relates to a tire rolling resistance estimation system. A tire rolling resistance estimation system estimates a real-time rolling resistance coefficient of a tire, and includes a tire sensor unit that measures a tire inflation pressure and a tire temperature. The processor is in electronic communication with the tire sensor unit. A steady state coefficient determination module in communication with the processor determines a steady state rolling resistance coefficient of the tire. A steady-state tire temperature module in communication with the processor receives a steady-state rolling resistance coefficient of the tire and estimates a steady-state tire temperature of the tire. A real-time rolling resistance coefficient module in communication with the processor receives a steady-state tire temperature of the tire and estimates a real-time rolling resistance coefficient of the tire based on the steady-state rolling resistance coefficient and a difference between the steady-state tire temperature and a current tire temperature from the tire sensor unit.
本公开涉及轮胎滚动阻力估计系统。轮胎滚动阻力估计系统估计轮胎的实时滚动阻力系数,并且包括测量轮胎充气压力和轮胎温度的轮胎传感器单元。处理器与轮胎传感器单元电子通信。与处理器通信的稳定状态系数确定模块确定轮胎的稳定状态滚动阻力系数。与处理器通信的稳定状态轮胎温度模块接收轮胎的稳定状态滚动阻力系数并且估计轮胎的稳定状态轮胎温度。与处理器通信的实时滚动阻力系数模块接收轮胎的稳定状态轮胎温度,并且根据稳定状态滚动阻力系数以及稳定状态轮胎温度与来自轮胎传感器单元的当前轮胎温度之间的差来估计轮胎的实时滚动阻力系数。
Tire rolling resistance estimation system
轮胎滚动阻力估计系统
2024-05-31
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
Tire rolling resistance estimation based on dynamic tire model
European Patent Office | 2023
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