The invention discloses an energy management method for an anti-aging hydrogen-electricity hybrid power system. Comprising the following steps: 1) collecting real-time information of a driving condition and generating driving condition prediction information in a prediction time domain; 2) constructing a fuel cell aging model and a vehicle dynamics model based on the dynamic characteristics of the hydrogen-electricity hybrid power system, and establishing a target function at the moment k; (3) according to the running condition real-time information, the running condition prediction information and the constraint equation, the objective function is solved through a sequential quadratic programming algorithm, a current control signal is obtained, and therefore the running condition of the automobile in the current prediction time domain is controlled; 4) acquiring real-time information of the driving condition at the k + N moment of the current prediction time domain and generating prediction information of the driving condition in the next prediction time domain; and repeating the steps 2) and 3) to realize rolling update of the current control signal. Safety guarantee and load tracking requirements of the hybrid power system are met, loss reduction is facilitated, and the service life is prolonged.
本发明公开了一种面向抗老化的氢电混合动力系统的能量管理方法。包括:1)采集行驶工况实时信息并生成预测时域内的行驶工况预测信息;2)基于氢电混合动力系统的动力特性构建燃料电池老化模型和车辆动力学模型,并建立k时刻的目标函数;3)根据行驶工况实时信息、行驶工况预测信息以及约束方程,利用序列二次规划算法对目标函数进行求解,获得电流控制信号,从而控制汽车在当前预测时域中的行驶工况;4)采集当前预测时域的k+N时刻的行驶工况实时信息以及生成下一预测时域内的行驶工况预测信息;重复步骤2)和3),实现电流控制信号的滚动更新。本发明实现了混合动力系统的安全性保障和负载跟踪需求,有益于降低损耗,延长使用寿命。
Energy management method for anti-aging hydrogen-electricity hybrid power system
一种面向抗老化的氢电混合动力系统的能量管理方法
2022-05-27
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 |
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