Online self-adaptive energy management method and system for hybrid electric vehicle
Online self-adaptive energy management method and system for hybrid electric vehicle
- Neue Suche nach: LOU DIMING
- Neue Suche nach: CHEN ZHILIN
- Neue Suche nach: ZHANG YUNHUA
- Neue Suche nach: FANG LIANG
- Neue Suche nach: TAN PIQIANG
- Neue Suche nach: HU ZHIYUAN
- Neue Suche nach: LOU DIMING
- Neue Suche nach: CHEN ZHILIN
- Neue Suche nach: ZHANG YUNHUA
- Neue Suche nach: FANG LIANG
- Neue Suche nach: TAN PIQIANG
- Neue Suche nach: HU ZHIYUAN
The invention relates to an online self-adaptive energy management method and system for a hybrid electric vehicle, and the method comprises the following steps: obtaining the vehicle speed, the required torque, the battery information and the required power of the whole vehicle, and selecting a working mode; distributing engine power and battery power; the working point of the engine is optimized; optimizing the rotating speed of the motor, and calculating the working point of the motor; and outputting the working mode, the engine working point and the motor working point. Compared with the prior art, the method has the advantages that offline optimization results of PSO + ECMS and DP + ECMS energy management strategies are analyzed, change rules of control variables are searched, control rules are extracted, working mode selection, power distribution and working point optimization are corrected, online control requirements are met, and a real vehicle control strategy can be guided by applying a global optimization result.
本发明涉及一种混合动力汽车在线自适应能量管理方法及系统，方法包括以下步骤：获取车速、需求转矩、电池信息和整车需求功率，选择工作模式；对发动机功率和电池功率进行分配；对发动机工作点进行优化；对电机转速进行优化，计算电机工作点；输出工作模式、发动机工作点和电机工作点。与现有技术相比，本发明对PSO+ECMS和DP+ECMS能量管理策略的离线优化结果进行了分析，寻找控制变量的变化规律，提取控制规则，对工作模式选择、功率分配和工作点优化进行修正，满足在线控制要求，有利于应用全局优化的结果指导实车控制策略。
Dokumentinformationen
Online self-adaptive energy management method and system for hybrid electric vehicle
一种混合动力汽车在线自适应能量管理方法及系统
2023-07-04
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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