Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hybrid power engineering machinery control method and system based on operation load identification
The invention discloses a hybrid power engineering machinery control method and system based on operation load identification, and belongs to the technical field of engineering machinery. Target torque of a driver and predicted torque of a hydraulic pump at the target moment are calculated; calculating a torque difference value; based on a fuzzy control algorithm, considering the optimal fuel consumption torque interval of the engine and the optimal efficiency torque interval of the ISG motor, and determining the target torque of the engine and the target torque of the ISG motor according to the target torque of the driver, the difference value between the target torque of the driver and the predicted torque of the hydraulic pump and the SOC of the battery; and jointly controlling the pressure of the hydraulic pump by using the target torque of the engine and the target torque of the ISG motor. The method has the advantages that the operation load prediction model is built through Markov, the operation load at the future moment is predicted, the driver target torque and the difference value of the two torque are introduced, the torque distribution fuzzy controller of the engine and the ISG motor is built by considering the SOC state of the battery, and the target torque of the engine and the ISG motor is dynamically adjusted.
本发明公开了一种基于作业负载识别的混合动力工程机械控制方法及系统，属于工程机械技术领域，计算驾驶员目标转矩以及目标时刻的液压泵预测转矩；计算转矩差值；基于模糊控制算法，考虑发动机最佳油耗转矩区间和ISG电机最佳效率转矩区间，根据驾驶员目标转矩、驾驶员目标转矩和液压泵预测转矩的差值及电池SOC，确定发动机目标转矩和ISG电机目标转矩；利用发动机目标转矩和ISG电机目标转矩共同控制液压泵压力。优点：通过马尔可夫搭建作业负载预测模型，预测未来时刻的作业负载，引入驾驶员目标转矩及两者差值，考虑电池SOC状态搭建发动机和ISG电机转矩分配模糊控制器，动态调整发动机和ISG电机的目标转矩。
Hybrid power engineering machinery control method and system based on operation load identification
The invention discloses a hybrid power engineering machinery control method and system based on operation load identification, and belongs to the technical field of engineering machinery. Target torque of a driver and predicted torque of a hydraulic pump at the target moment are calculated; calculating a torque difference value; based on a fuzzy control algorithm, considering the optimal fuel consumption torque interval of the engine and the optimal efficiency torque interval of the ISG motor, and determining the target torque of the engine and the target torque of the ISG motor according to the target torque of the driver, the difference value between the target torque of the driver and the predicted torque of the hydraulic pump and the SOC of the battery; and jointly controlling the pressure of the hydraulic pump by using the target torque of the engine and the target torque of the ISG motor. The method has the advantages that the operation load prediction model is built through Markov, the operation load at the future moment is predicted, the driver target torque and the difference value of the two torque are introduced, the torque distribution fuzzy controller of the engine and the ISG motor is built by considering the SOC state of the battery, and the target torque of the engine and the ISG motor is dynamically adjusted.
本发明公开了一种基于作业负载识别的混合动力工程机械控制方法及系统，属于工程机械技术领域，计算驾驶员目标转矩以及目标时刻的液压泵预测转矩；计算转矩差值；基于模糊控制算法，考虑发动机最佳油耗转矩区间和ISG电机最佳效率转矩区间，根据驾驶员目标转矩、驾驶员目标转矩和液压泵预测转矩的差值及电池SOC，确定发动机目标转矩和ISG电机目标转矩；利用发动机目标转矩和ISG电机目标转矩共同控制液压泵压力。优点：通过马尔可夫搭建作业负载预测模型，预测未来时刻的作业负载，引入驾驶员目标转矩及两者差值，考虑电池SOC状态搭建发动机和ISG电机转矩分配模糊控制器，动态调整发动机和ISG电机的目标转矩。
Hybrid power engineering machinery control method and system based on operation load identification
基于作业负载识别的混合动力工程机械控制方法及系统
LI TUANTUAN (Autor:in) / ZHU FENG (Autor:in) / LIU JICHAO (Autor:in) / ZHANG YUNPENG (Autor:in)
28.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
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