The invention relates to a vehicle centroid recognition method, a vehicle-mounted electronic device, a vehicle and a storage medium, and the method comprises the steps: obtaining an acceleration value and a free radius of a target tire, and calculating a first grounding departure angle of the target tire based on the acceleration value and the free radius; wherein the first grounding departure angle is the maximum included angle between the grounding area of the tire and the vertical direction when the tire is lifted from the ground; obtaining a performance parameter of the target tire, substituting the free radius, the first grounding departure angle and the performance parameter into the flexible ring model, and calculating to obtain a load of the target tire; wherein the flexible ring model comprises contribution values of all performance parameters to tire load distribution, and the performance parameters comprise tire internal air pressure and tire rigidity; the wheelbase and width of the vehicle are obtained, and the mass center position of the vehicle is calculated according to the load of the target tire and the wheelbase and width of the vehicle; the vehicle mass center can be accurately fed back in real time, and the problem that vehicle mass center recognition is not accurate enough in the prior art is solved.
本申请涉及一种车辆质心识别方法、车载电子装置、车辆和存储介质,通过获取目标轮胎的加速度值和自由半径,并基于加速度值和自由半径计算目标轮胎的第一接地离去角;其中,第一接地离去角为轮胎从地面抬起时,轮胎的接地区域与垂直方向之间的最大夹角;获取目标轮胎的性能参数,并将自由半径、第一接地离去角和性能参数代入柔性环模型,计算得到目标轮胎的载荷;其中,柔性环模型包含各性能参数对轮胎载荷分布的贡献值,性能参数包括轮胎内部气压和轮胎刚度;获取车辆的轴距和宽度,根据目标轮胎的载荷、车辆的轴距和宽度,计算车辆的质心位置;实现了车辆质心实时且准确地反馈,解决了相关技术中车辆质心识别不够精准的问题。
Vehicle centroid identification method, vehicle-mounted electronic device, vehicle and storage medium
车辆质心识别方法、车载电子装置、车辆和存储介质
15.04.2025
Patent
Elektronische Ressource
Chinesisch
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 |
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