Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

System and method for diagnosing state of fuel cell stack and controlling fuel cell system

一种燃料电池堆、状态的技术，应用在燃料电池、动力系统燃料电池、电路等方向，能够解决大量时间恢复等问题

Active Publication Date: 2016-01-06
HYUNDAI MOTOR CO LTD
View PDF5 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this continuous process has the disadvantage that it takes a lot of time to restore the fuel cell stack in a dry state

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
  • System and method for diagnosing state of fuel cell stack and controlling fuel cell system
  • System and method for diagnosing state of fuel cell stack and controlling fuel cell system
  • System and method for diagnosing state of fuel cell stack and controlling fuel cell system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The above and other objects, features and other advantages of the present invention can be more clearly understood from the following more detailed description combined with the accompanying drawings.

[0022] It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein generally includes motor vehicles, such as passenger cars including sport utility vehicles (SUVs), buses, trucks, various Commercial vehicles, including boats and ships of all kinds, aircraft, etc., and including hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles and other vehicles powered by alternative fuels (for example, from fuels from non-petroleum sources). A hybrid vehicle as referred to herein is a vehicle that has two or more sources of power, such as a vehicle that is both gasoline powered and electric powered.

[0023] It should be understood that exemplary steps may also be performed by one or more modules. ...

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

A system and method for diagnosing the state of a fuel cell stack are provided. The method includes simultaneously applying currents having respective first and second frequencies to a fuel cell stack and computing Fourier transforms of output currents and voltages from the fuel cell stack based on the applied currents. A real part of a first frequency impedance and an imaginary part of a second frequency impedance are calculated using amplitudes and phases of currents and voltages having the first frequency and the second frequency among the computed output currents and voltages. Further, a state of the fuel cell stack is determined by magnitude of the calculated real part of the first frequency impedance and by magnitude of the calculated imaginary part of the second frequency impedance.

Description

technical field [0001] The present invention generally relates to systems and methods for diagnosing the status of a fuel cell stack and controlling a fuel cell system, and more particularly, to determining the fuel cell stack's content by using the impedance magnitude of a multi-frequency current applied to the fuel cell stack Water volume, such as dry / flooded state (eg, draining) to diagnose the state of the fuel cell stack and methods of controlling the fuel cell system. Background technique [0002] The fuel cell vehicle includes: a fuel cell stack used as a power source in which a plurality of fuel cells are combined; a fuel supply system for supplying hydrogen to the fuel cell stack; an air supply system for supplying oxygen as an oxidant required for electrochemical reactions; and Water and thermal management systems that regulate the temperature of the fuel cell stack. The fuel supply system decompresses the compressed hydrogen stored in the hydrogen tank and suppli...

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 Applications(China)
IPC IPC(8): H01M8/04992
CPCG01R31/367G01R31/389H01M8/04492H01M8/04559H01M8/04589H01M8/04649H01M8/04753H01M8/04761H01M8/04992H01M2250/20Y02E60/50Y02T90/40H01M8/04246H01M8/04313H01M8/04664
Inventor 郑贵成高幸进禁荣范元祥卜
Owner HYUNDAI MOTOR CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com