【免费】FCLAB燃料电池数据集_bct工具箱资源-CSDN文库

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数据集

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IEEE 2014 Data Challenge Data.7z （9个子文件）

IEEE-Challenge-Details.pdf 800KB

FC1_Without_Ripples

FC1_Ageing_part2.csv 11.17MB

FC1_Ageing_part3.csv 2.17MB

~$C1_PCA.docx 162B

~$sults of curve fitting EIS data with equivalent circuit model.docx 162B

FC1_Ageing_part1.csv 11.16MB

Full_FC2_With_Ripples

FC2_Ageing_part1.csv 11.23MB

FC2_Ageing_part2.csv 10.53MB

FC2_With_Ripples_Excel.zip 43.1MB

R e s e a r c h

IEEE PHM 2014 Data Challenge

Details for participants

Contents

1 Overview 2

1.1 Motivations and outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.2 Challenge datasets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Experimental setup used for the challenge 2

2.1 Test bench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.2 FC stacks used for the challenge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Ageing tests p erformed for the challenge 4

3.1 Durability tests - protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.1.1 FC1: Fuel Cell operated in stationary regime . . . . . . . . . . . . . . . . 4

3.1.2 FC2: Fuel Cell operated under dynamic current . . . . . . . . . . . . . . . 5

3.2 Ageing data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2.1 Monitoring data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2.2 Polarization curves and Electrochemical Impedance Spectroscopy . . . . . 5

4 IEEE PHM 2014 Data Challenge 6

4.1 Data provided for the challenge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.2 PHM challenge - Part 1: State of Health estimation . . . . . . . . . . . . . . . . . 7

4.3 PHM challenge - Part 2: Remaining Useful Life (RUL) prediction . . . . . . . . . 7

4.4 Scoring of results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.4.1 Scoring of SoH estimation . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.4.2 Scoring of RUL prediction . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Application procedure 9

5.1 Who can apply? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2 How to apply? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2.1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2.2 Results submission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2.3 Submission format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.3 Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6 Contact point 10

A Appendix 11

A.1 ASCII ﬁles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

IEEE PHM 2014 Data Challenge - Details for participants Page 1

1 Overview

The IEEE Reliability Society, FCLAB research federation, FEMTO-ST Institute, and the Lab-

oratory of excellence ACTION are proud to launch the IEEE PHM 2014 Data Challenge. The

challenge is focused on the estimation of the remaining useful life (RUL) of a Proton Exchange

Membrane Fuel Cell (PEMFC). Both Academic (from University) and Professional teams (from

Industry) are encouraged to enter! The top scoring participants will be distinguished and invited

to present at a special session of the 2014 IEEE International Conference on Prognostics and

Health Management (http://www.phmconf.org/). To ensure equity during the competition, no

member from FCLAB will participate in the challenge.

1.1 Motivations and outline

Fuel Cell Systems (FCS) appear to be a promising energy conversion device to face some of the

economic and environmental challenges of modern society. However, even if this technology is

close to being competitive, it is not yet ready to be considered for large scale industrial deploy-

ment: FCS still must be optimized, particularly by increasing their limited lifespan. Indeed,

Proton Exchange Membrane Fuel Cell systems (PEMFC) usually have a life span of around

2000 hours, whereas 6000 hours are required for some applications, including transportation...

Enhancing FCS durability involves not only developing a better understanding of ageing phe-

nomena but also requires the ability to emulate the behavior of the whole system to support the

development of improvements to those systems. Prognostics and Health Management (PHM)

of FCS is an emerging ﬁeld of scientiﬁc and technological development that has the potential to

provide and enable improvements in the life management, use and support of Fuel Cell Systems.

This is the aim of our challenge: we expect participants to develop robust PHM methods to:

• assess the health state of a PEMFC FC (State of Health - SoH);

• predict its remaining useful life (RUL).

1.2 Challenge datasets

Challenge datasets are provided by FCLAB Research Federation (FR CNRS 3539, France,

http://eng.fclab.fr/). Experiments were carried out on test facilities that enable normal

or accelerated ageing of FCS stacks under constant and/or variable operating conditions, while

controlling and gathering health monitoring data like power loads, temperatures, hydrogen and

air stoichiometry rates, etc. The data sets provided for the challenge include both temporal and

frequential data.

2 Experimental setup used for the challenge

2.1 Test bench

The test bench (Figure 1) is adapted for Fuel Cells with a power up to 1 kW (electrical power).

Many physical parameters involved in the stack can be measured and controlled in order to

master the FC operating conditions as accurately as possible (see Table 1):

• stack temperature, gas ﬂows, air and hydrogen hygrometry rates;

• inlet and outlet ﬂows (of hydrogen, air, and cooling water), inlet and outlet pressures (of

hydrogen and air), temperatures (of incoming and outlet hydrogen, air, and cooling water),

IEEE PHM 2014 Data Challenge - Details for participants Page 2

single cell and stack voltages, current can be monitored using a home-made interface

developed with Labview

The gas humidiﬁcation is achieved through two independent boilers placed upstream of the stack.

Air and hydrogen cross their respective boilers before reaching the stack. However, only the air

boiler is heated in order to obtain the relative humidity desired. Meanwhile, the hydrogen boiler

remains at the room temperature, given the operation of the dry anode gas. The temperature

of the stack is controlled by a cooling water system. The current supplied by the battery is

controlled by a TDI Dynaload active load.

Electronic

100V – 300A – 2000W

Sensors power supply

and sensors references

conditioning

National Instrument

PXI/SCXI Control

system

PEMFC Stack

Gas distribution

Figure 1: PEMFC Fuel Cell test bench @ FCLAB

Parameter Control range

Cooling temperature 20

◦

C to 80

◦

Cooling ﬂow 0 to 10 l/min

Gas temperature 20

◦

C to 80

◦

Gas humidiﬁcation 0 to 100 % RH

Air ﬂow 0 to 100 l/min

H2 ﬂow 0 to 30 l/min

Gas pressure 0 to 2 bars

Fuel Cell current 0 to 300 A

Table 1: Range of physical parameters controlled

2.2 FC stacks used for the challenge

The considered fuel cell stacks tested were assembled at FCLAB. They are 5-cell stacks. Each

cell has an active area of 100 cm

. The PEM (Proton Exchange Membrane) FC (Fuel Cell)

is here realized with commercial membranes, diﬀusion layers and machined ﬂow distribution

plates. The nominal current density of the cells is 0.70 A/cm

. Their maximal current density

is 1 A/cm

IEEE PHM 2014 Data Challenge - Details for participants Page 3

3 Ageing tests performed for the challenge

3.1 Durability tests - protocol

Two long-term tests were carried out (Figure 2).

• A ﬁrst stack was operated in stationary regime at roughly nominal operating conditions.

This experiment serves actually as a reference test.

• A second stack was operated under dynamic current testing conditions, i.e. with high-

frequency current ripples.

For both tests, characterizations were carried out once per week (around every 160 hours)

according to an identical protocol: polarization curve test (i.e. measuring the static I/V curve

of the fuel cell stack), global historic curves (i.e. evaluating the evolution over time of voltage

levels), and Electrochemical Impedance Spectroscopy (EIS) measurement (i.e. measuring the

"Nyquist" plot of the fuel cell stack over a frequency range from 50 mHz to 10 kHz).

Durability Tests

PEMFC (5 cells – 100 cm²)

0.7A/cm²

0.14A/cm²

FC2 - Long-term test with high frequencies current ripples

Ageing @ - Inom = 70 A (J = 0.7 A/cm²)

- Triangular current ripples:

±±

10% of Inom @ 5 kHz

PEMFC (5 cells – 100 cm²)

0.7A/cm²

FC1 - Long-term test without current ripples

Ageing @ - Inom = 70 A (J = 0.7 A/cm²)

Figure 2: Durability tests performed for the challenge

3.1.1 FC1: Fuel Cell operated in stationary regime

The reference ageing test consisted in operating the FC stack in stationary conditions (a current

of 70 A was imposed). A complete characterization of the FC was realized roughly every week:

at time t = 0; 48; 185; 348; 515; 658; 823; 991 h (Table 2).

1. Firstly, an electrochemical impedance spectroscopy (EIS) was realized only at 0.70 A/cm

in order to evaluate the state of the FC before the measurement of the polarization curve

(it can be mentionned that the measurement of the polarization curve can modify the

internal state of the fuel cell stack, thus modifying the EIS results).

2. Secondly, polarization curve was realized: the stack and cells voltages were measured

under a current ramp from 0 A/cm

to 1 A/cm

of 1000 s. In order to keep stoichiometric

factors constant, the air and hydrogen ﬂows were reduced accordingly until a current of

20 A. Below this value, the air and hydrogen ﬂows are kept constant and equal to their

values for a current of 20 A.

IEEE PHM 2014 Data Challenge - Details for participants Page 4

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