The invention relates to the technical field of vehicle control, in particular to a hybrid power tractor power distribution control method which comprises the steps that historical walking data and operation data of a hybrid power tractor are obtained; constructing a gray neural network driving speed model prediction model; predicting the current driving condition of the hybrid tractor based on the historical walking data and the operation data through a gray neural network driving speed model to obtain a predicted speed; through the normalized multi-objective optimization function, using a discrete random dynamic programming algorithm to distribute the walking power and the operation power of the hybrid power tractor during operation; meanwhile, based on the predicted speed, the torque, the rotating speed, the gears and the valve opening of an engine and a motor of the hybrid tractor are adjusted through a discrete random dynamic programming algorithm by means of the normalized multi-objective optimization function, and the problem that the tractor cannot predict and change the energy supply mode according to the running state is solved.
本发明涉及车辆控制技术领域,具体涉及一种混合动力拖拉机功率分配控制方法,包括获取混合动力拖拉机的历史行走数据和作业数据;构建灰色神经网络行驶速度模型预测模型;通过灰色神经网络行驶速度模型基于历史行走数据和作业数据对混合动力拖拉机的当前行驶工况进行预测,得到预测速度;通过归一化多目标优化函数使用离散随机动态规划算法对混合动力拖拉机作业时的行走功率与作业功率进行分配;同时,基于预测速度通过归一化多目标优化函数使用离散随机动态规划算法对混合动力拖拉机的发动机与电机的转矩、转速、挡位和气门开度进行调整,解决了拖拉机无法根据行驶状态进行预测改变供能的模式的问题。
Power distribution control method for hybrid power tractor
混合动力拖拉机功率分配控制方法
02.09.2022
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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