Fuel cell vehicle energy control method, storage medium and vehicle

Abstract

The invention provides a fuel cell vehicle energy control method, a computer storage medium and a vehicle. The method comprises the steps: obtaining the required power of the whole vehicle, and obtaining an SOC value of a power battery; determining a fuel cell power threshold range in which the required power of the whole vehicle is located; and controlling the output power of the fuel cell and the power cell according to the fuel cell power threshold range and the SOC value of the required power of the whole vehicle. According to the battery vehicle energy control method provided by the embodiment of the invention, when a fuel cell power threshold range in which vehicle required power is located is determined, the output power of the fuel cell and the power cell is controlled according to the threshold range of the required power of the whole vehicle and the SOC value of the power cell, so that the output power of the fuel cell under different working conditions is regulated and controlled in real time, and the energy loss caused by constant value output is reduced.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to an energy control method for a fuel cell vehicle, a computer storage medium and a vehicle. Background technique [0002] At present, among common battery control strategies, such as figure 1 Shown is a schematic diagram of a battery control strategy in the related art. The control method includes step S1': organize and analyze the working conditions that affect the durability of the fuel cell; step S2': determine the control target of the energy management control strategy; step S3': formulate a fuzzy-based energy management control strategy; step S4': formulate The supplementary control strategy improves the durability of the fuel cell under the premise of ensuring vehicle dynamics, power system efficiency and power battery SOC (State of Charge, state of charge). When the SOC of the power battery is too low, the fuel cell maintains high-power operation, and charges the power battery wh...

AI Technical Summary

Problems solved by technology

[0003] However, in this battery control strategy, the fuel cell can only output power through a fixed value according to different working conditions, and such a fixed value output has a certain loss of energy; when the fuel cell operates at low power, it may also be greater than the required power. It cannot prevent the battery from overcharging, and when the SOC of the power battery is too small to keep the power following, the fuel cell outputs a higher power, resulting in energy loss

Images