Unlock instant, AI-driven research and patent intelligence for your innovation.

An intelligent control method for a solid oxide fuel cell system

A fuel cell system, solid oxide technology, applied in fuel cells, circuits, electrical components, etc., can solve problems such as affecting system efficiency, fuel cell failure, and inability to continue operation.

Active Publication Date: 2021-07-13
UNIV OF ELECTRONICS SCI & TECH OF CHINA
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the operation of the system, its internal parameters and operating variables often change in various ways. At this time, if the control is still carried out according to the previous set value, the efficiency of the system will be affected, and in severe cases, the fuel cell may even fail. keep running

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An intelligent control method for a solid oxide fuel cell system
  • An intelligent control method for a solid oxide fuel cell system
  • An intelligent control method for a solid oxide fuel cell system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0051] figure 1 It is a block diagram of a solid oxide fuel cell system.

[0052] Combine figure 1 The intelligent control method of a solid oxide fuel cell system according to the present invention will be described in detail, and specifically includes the following steps:

[0053] S1, model of solid oxide fuel cell system

[0054] The solid oxide fuel cell system mainly includes an air compressor, a fuel heat exchanger, an air heat exchanger, a mixer, a bypass valve, a capacitor, a combustion chamber, and other components. The present invention will use a modular method to math modeling of each component, and then according to figure 1 The structure shown will connect to the construction of the overall model. Since the main object of the present invention is to achieve tracking control of fuel utilization, air peroxiaproof, solid temperature temperature, to ensure that the system efficiency and temperature gradient are within reasonable scope, so that the equation of related pa...

example

[0094] image 3 , Figure 4 , Figure 5 The tracking effect of the intelligent controller for temperature, air peroxia, and fuel utilization rate, which is the solid line as a controller. The dashed line is the setting of the predetermined module, the feedback compensation module, the fault compensation module, and the switch. Depending on, you can see tracking of ideal settings for different situations well.

[0095]When the system run time is 6-85,000 seconds, the system is less efficient than the target gate value due to changes in current and steam carbon ratio, such as Figure 6 The medium dashed line shows that at this time, the intelligent controller switching module selects the feedback compensator to correct the current set value, so that the efficiency is returned to the target value, such as Figure 6 The main line shows that the feedback compensation results are not performed. Figure 6 The point line shown. At the time of 8.5-11 million seconds, the system temperature grad...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an intelligent control method of a solid oxide fuel cell system. A model of the solid oxide fuel cell system is built, and then according to the real-time operation status of the solid oxide fuel cell system, preset values ​​in the model are obtained, and finally Use the RBF‑PID controller to track the set values ​​of the solid oxide fuel cell system in different states to complete the intelligent control of the solid oxide fuel cell system; this solves the problem of system operating variables in general solid oxide fuel cell system control When changing, the system efficiency will decrease or even fail. At the same time, the tracking control of fuel utilization rate, air oxygen ratio and stack solid temperature is realized when the system operates safely and the efficiency is within the target range.

Description

Technical field [0001] The present invention belongs to the field of intelligent control technology of fuel cell system, and more specifically, the intelligent control method of solid oxide fuel cell system. Background technique [0002] Solid oxide fuel cell system control method, mainly including PID control, fuzzy control, model prediction control, and the like. Through the above control method, tracking control of the reference value such as system fuel utilization, temperature, and power can be achieved, thereby ensuring the safe and stable operation of the system. However, the internal parameters and operation variables thereof often produce various changes during operation, and if it is still controlled according to the previous set value, it will affect the efficiency of the system, and severe people will even result in failure of fuel cells. Continue to run. Based on the above, the present invention proposes a intelligent control scheme of a solid oxide fuel cell system,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04992H01M8/04664
CPCH01M8/04679H01M8/04992Y02E60/50
Inventor 吴小娟高丹慧
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA