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Fuel cell air management system and related control signal acquisition method thereof

An air management system and fuel cell technology, applied in fuel cells, electrical components, circuits, etc., can solve problems such as catalyst degradation, increase control difficulty, reduce the response speed and control accuracy of the vehicle-mounted fuel cell air management system, and achieve improved accuracy Effect

Active Publication Date: 2020-05-05
SHANGHAI HYDROGEN PROPULSION TECH CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the modeling of high-speed air compressors is complex and there is a strong coupling relationship between flow control and pressure control, which increases the difficulty of control and reduces the response speed and control accuracy of the vehicle-mounted fuel cell air management system.
Especially in vehicle-mounted applications, frequent changes in fuel cell power require high response speed and control accuracy for the pressure and flow of the fuel cell air management system to avoid catalyst degradation caused by excess oxygen or oxygen starvation, which affects the life of the fuel cell
However, there is a strong coupling relationship between air compressor flow control and pressure control, which seriously affects the dynamic response capability and control accuracy of the fuel cell air management system.

Method used

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  • Fuel cell air management system and related control signal acquisition method thereof
  • Fuel cell air management system and related control signal acquisition method thereof
  • Fuel cell air management system and related control signal acquisition method thereof

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Embodiment Construction

[0059] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0060] In the following description, a lot of specific details are set forth in order to fully understand the application, but the application can also be implemented in other ways different from those described here, and those skilled in the art can do without violating the connotation of the application. By analogy, the present application is therefore not limited by the specific embodiments disclosed below.

[0061] As mentioned in the background technology section, there is a st...

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Abstract

The embodiment of the invention discloses a control signal acquisition method for air flow and pressure intensity of a fuel cell. According to the method, a hidden layer and an output layer are fullyconnected; when the air flow control parameters output by the output layer are calculated, the first output parameter obtained based on the air flow input parameter is considered, and a second outputparameter obtained based on the pressure input parameter is also considered; when the pressure intensity control parameters output by the output layer are calculated, the second output parameter obtained based on the pressure intensity input parameter is considered, and in addition, the first output parameter obtained based on the air flow input parameter is also considered; the coupling relationship between air flow control and air pressure control is fully considered; and the precision of air flow control and air pressure control in a fuel cell air management system is improved.

Description

technical field [0001] The present application relates to the technical field of air management, and in particular to a fuel cell air management system and a method for acquiring control signals of air flow and pressure thereof. Background technique [0002] With the emergence of global warming, fuel cell technology is regarded as a promising energy technology due to its high efficiency and low pollution. Among them, the proton exchange membrane fuel cell has the characteristics of low operating temperature, high power density, fast response, good stability, and no harmful products during the chemical reaction process, making it an ideal vehicle energy device. [0003] The fuel cell air management system provides the required pressure and air flow for the on-board fuel cell system, and its power exceeds 15% of the power generation of the on-board fuel cell system. It is an important subsystem of the proton exchange membrane fuel cell system. [0004] At present, fuel cell a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04746H01M8/04992G06N3/02
CPCG06N3/02H01M8/04753H01M8/04992Y02E60/50
Inventor 顾欣蔡俊孙维陈捷
Owner SHANGHAI HYDROGEN PROPULSION TECH CO LTD
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