The invention discloses a distributed electric vehicle yaw stability control system which comprises an information acquisition module, an evaluation calculation module, a reference value calculation module, a whole vehicle additional yaw moment calculation module, a whole vehicle longitudinal force calculation module and a torque distribution module. The information acquisition module is used for acquiring a first type of parameters, a second type of parameters and a third type of parameters; the evaluation calculation module is used for calculating a first-class parameter evaluation factor, a second-class parameter evaluation factor, a third-class parameter evaluation factor and a working condition state evaluation factor; the reference value calculation module is used for calculating a side slip angle reference value and a yaw velocity reference value; the whole vehicle additional yawing moment calculation module is used for calculating the whole vehicle additional yawing moment; the whole vehicle longitudinal force calculation module is used for setting a reference vehicle speed and calculating the expected total longitudinal force of the whole vehicle; and the torque distribution module is used for calculating the expected torque of each wheel for realizing stability control.
本发明公开了一种分布式电动汽车横摆稳定性控制系统,包括信息获取模块、评价计算模块、参考值计算模块、整车附加横摆力矩计算模块、整车纵向力计算模块、扭矩分配模块。信息获取模块用于获取第一类参数、第二类参数和第三类参数;评价计算模块用于计算第一类参数评价因子、第二类参数评价因子、第三类参数评价因子和工况状态评价因子;参考值计算模块用于计算质心侧偏角参考值和横摆角速度参考值;整车附加横摆力矩计算模块用于计算整车附加横摆力矩;整车纵向力计算模块用于设定参考车速并计算整车期望总纵向力;扭矩分配模块用于计算实现稳定性控制的各车轮期望扭矩。
Distributed electric vehicle yaw stability control system
一种分布式电动汽车横摆稳定性控制系统
2024-01-09
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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