The invention relates to a hybrid vehicle energy managing method considering the service life of a battery. The method includes the following steps of firstly, collecting current vehicle running state data and battery running state data; secondly, establishing a vehicle model, and predicting the vehicle running state and the battery running state within a period of time in the future according to the vehicle model; thirdly, calculating the sum of battery capacity attenuation cost and the sum of oil consumption cost within a period of time in the future; fourthly, establishing a multi-target control model, and obtaining the optimal control amount meeting the optimization target through a multi-target coordination control algorithm, wherein the multi-target control model comprises a target function J* and a constraint condition C; fifthly, forming a control signal according to the optimal control amount, and controlling the running state of a vehicle. Compared with the prior art, the method has the advantages of being good in control effect, capable of effectively prolonging the service life of the battery, reducing the total use cost of the vehicle, and the like.
Hybrid vehicle energy managing method and system considering service life of battery
2015-05-20
Patent
Electronic Resource
English
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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