The invention relates to a method and device for calculating dynamic vehicle load, and belongs to the technical field of vehicle load, and the method comprises the steps: receiving vehicle condition data of a target vehicle; the vehicle condition data at least comprise engine output torque, engine rotating speed and vehicle speed; according to the engine output torque and the engine rotating speed, driving force is obtained based on an energy method calculation formula to do work; wind resistance work is obtained according to the vehicle speed; obtaining vehicle condition data of three continuous instantaneous points of a preset timer step length, and calculating and storing an instantaneous vehicle load; when the storage number of the instantaneous vehicle loads reaches a preset number, averaging the instantaneous vehicle loads of the preset number to obtain a target vehicle load; the method is suitable for different vehicle models, the load of the target vehicle can be obtained only by accessing the vehicle condition data of the target vehicle without depending on a sensor, the portability is high, and the cost can be effectively reduced.
本发明涉及一种计算动态车辆载重的方法及装置,属于车辆载重技术领域,该方法包括:接收目标车辆的车况数据;车况数据至少包括发动机输出扭矩、发动机转速和车速;依据发动机输出扭矩和所属发动机转速,基于能量法计算公式得到驱动力做功;根据车速得到风阻做功;获取预设定时器步长的3个连续的瞬时点的车况数据,计算瞬时车辆载重并存储;当瞬时车辆载重存储个数到达预设数量时,对预设数量的瞬时车辆载重做均值处理得到目标车辆载重;对不同的车辆型号均可适用,只需要接入目标车辆的车况数据,不依赖传感器,就能得到目标车辆载重,可移植性高,且能有效降低成本。
Method and device for calculating dynamic vehicle load
一种计算动态车辆载重的方法及装置
30.01.2024
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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