Fuel cell peroxygen ratio control method, device and computer storage medium
A fuel cell and control method technology, applied in the direction of fuel cells, circuits, electrical components, etc., can solve the problems of low working efficiency of fuel cells, poor control effect of peroxygen ratio, etc., to ensure performance, ensure timely follow-up, and improve work efficiency Effect
Active Publication Date: 2022-05-03
CHERY AUTOMOBILE CO LTD
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[0004] The embodiment of the present application provides a method, device, and computer storage medium for controlling the oxygen ratio of a fuel cell, which can be used to solve the problem of poor control of the oxygen ratio of a fuel cell, resulting in low fuel cell operating efficiency
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[0052] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the following will further describe the embodiments of the present application in detail in conjunction with the accompanying drawings.
[0053] Before explaining in detail the method for switching the engine operating mode provided by the embodiment of the present application, the application scenario and system architecture provided by the embodiment of the present application will be introduced first.
[0054] Since the overoxygen ratio of the fuel cell is the ratio of the oxygen flow input by the fuel cell to the oxygen flow consumed by the electrochemical reaction, when the oxygen flow is too much, it will affect the permanent loss of the fuel cell, and when the oxygen flow is insufficient, it will cause fuel The battery cannot perform electrochemical reactions, which affects the use of fuel cells.
[0055] Based on such an application scenario, an ...
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The embodiment of the present application discloses a fuel cell oxygen ratio control method, device and computer storage medium, belonging to the field of fuel cells. The method includes: acquiring a target overoxygen ratio and a reference overoxygen ratio of the fuel cell, the target overoxygen ratio is the overoxygen ratio when the fuel cell is in a running state; according to the target overoxygen ratio and the reference Oxygen ratio, a fuzzy controller is used to determine an overoxygen ratio control parameter, and the fuzzy controller is used to control the overoxygen ratio of the fuel cell; the overoxygen ratio of the fuel cell is controlled according to the overoxygen ratio control parameter. In the embodiment of the present application, a fuzzy controller is used to determine the oxygen ratio control parameters, thereby controlling the oxygen ratio of the fuel cell, reducing the occurrence of fuel cell overoxygen or hypoxia, improving the working efficiency of the fuel cell, and ensuring the efficiency of the fuel cell. performance.
Description
technical field [0001] The embodiments of the present application relate to the field of fuel cells, and in particular to a method, device, and computer storage medium for controlling the peroxygen ratio of a fuel cell. Background technique [0002] With the reduction of fossil fuel reserves and the increasingly serious environmental pollution, the application of fuel cells is becoming more and more extensive, and among various types of fuel cells, proton exchange membrane fuel cells have obvious advantages and can be applied to mobile generators, stationary power supply, distributed generation, etc. Due to the mismatch of dynamic characteristics between subsystems in proton exchange fuel cell systems, the ability to track load demand is limited. For different electrical demands (such as starting, accelerating and decelerating a car), reactants must be flowed to the fuel cell as quickly as possible due to sudden changes in the connected load. If oxygen is not injected into...
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IPC IPC(8): H01M8/04992H01M8/04746
CPCH01M8/04992H01M8/04753Y02E60/50
Inventor 周健豪海滨刘军宋廷伦王磊方石叶德英阴山慧
Owner CHERY AUTOMOBILE CO LTD