A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Excavator potential energy recovery control method and system, excavator and storage medium
The invention discloses an excavator potential energy recovery control method which comprises: when it is detected that an excavator movable arm is in a descending working state, determining an excavator energy consumption function according to motor power generation energy of an excavator, hydraulic energy accumulator charging energy and main pump energy consumption; calculating an optimal working point of the energy consumption function of the excavator through a minimum weighted deviation method; wherein the optimal working point comprises the initial working pressure of the hydraulic energy accumulator under the lowest energy consumption scene, the initial working volume of the hydraulic energy accumulator, the displacement of a recovery motor and the braking torque of the motor; and recycling the potential energy of the movable arm of the excavator according to the optimal working point. Efficient recovery of the potential energy of the excavator can be achieved, and maximization of the recovery rate of the potential energy recovery system is guaranteed. The invention further discloses an excavator potential energy recovery control system, an excavator and a storage medium which have the above beneficial effects.
本申请公开了一种挖掘机势能回收控制方法，所述方法包括：当检测到挖掘机动臂处于下降工作状态时，根据挖掘机的电机发电能、液压蓄能器充入能量和主泵能耗确定挖掘机能量消耗函数；通过最小加权偏差法计算所述挖掘机能量消耗函数的最优工作点；其中，所述最优工作点包括能耗最低场景下的液压蓄能器的初始工作压力、所述液压蓄能器的初始工作容积、回收马达排量和电机制动力矩；根据所述最优工作点对所述挖掘机动臂的势能进行回收。本申请能够实现挖掘机势能的高效回收，保证势能回收系统回收率的最大化。本申请还公开了一种挖掘机势能回收控制系统、一种挖掘机及一种存储介质，具有以上有益效果。
Excavator potential energy recovery control method and system, excavator and storage medium
The invention discloses an excavator potential energy recovery control method which comprises: when it is detected that an excavator movable arm is in a descending working state, determining an excavator energy consumption function according to motor power generation energy of an excavator, hydraulic energy accumulator charging energy and main pump energy consumption; calculating an optimal working point of the energy consumption function of the excavator through a minimum weighted deviation method; wherein the optimal working point comprises the initial working pressure of the hydraulic energy accumulator under the lowest energy consumption scene, the initial working volume of the hydraulic energy accumulator, the displacement of a recovery motor and the braking torque of the motor; and recycling the potential energy of the movable arm of the excavator according to the optimal working point. Efficient recovery of the potential energy of the excavator can be achieved, and maximization of the recovery rate of the potential energy recovery system is guaranteed. The invention further discloses an excavator potential energy recovery control system, an excavator and a storage medium which have the above beneficial effects.
本申请公开了一种挖掘机势能回收控制方法，所述方法包括：当检测到挖掘机动臂处于下降工作状态时，根据挖掘机的电机发电能、液压蓄能器充入能量和主泵能耗确定挖掘机能量消耗函数；通过最小加权偏差法计算所述挖掘机能量消耗函数的最优工作点；其中，所述最优工作点包括能耗最低场景下的液压蓄能器的初始工作压力、所述液压蓄能器的初始工作容积、回收马达排量和电机制动力矩；根据所述最优工作点对所述挖掘机动臂的势能进行回收。本申请能够实现挖掘机势能的高效回收，保证势能回收系统回收率的最大化。本申请还公开了一种挖掘机势能回收控制系统、一种挖掘机及一种存储介质，具有以上有益效果。
Excavator potential energy recovery control method and system, excavator and storage medium
一种挖掘机势能回收控制方法、系统、挖掘机及存储介质
LIU CHANGSHENG (author) / HE QINGHUA (author) / ZHANG DAQING (author) / TANG ZHONGYONG (author) / WU MINWANG (author)
2021-11-09
Patent
Electronic Resource
Chinese
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