Table 4 Extracted parameters using the proposed IGTT, recent, and reported optimizers for the BCS 500W stack.

From: Fuel-cell parameter estimation based on improved gorilla troops technique

Technique

ξ1 (V)

ξ2.10–4 (V/K)

ξ3.10–5 (V/K)

ξ4.10–4 (V/K)

Λ

Rc (mΩ)

β (V)

SSE 10–2

Proposed IGTT

−1.16935

3.1477E−03

3.7232

−1.93017

20.8767777

0.1

1.612586

1.16977808

GTT

−0.85346

2.18019E−03

3.60104

−1.93009

20.8775

0.100487

1.61243

1.1698187

FFO

−0.99989

3.35984E−03

8.36833

−1.93613

21.9056

0.235443

1.55926

1.6297316

SDO

−1.14187

3.57691E−03

7.02680

−1.92532

21.2659

0.139594

1.62312

1.1905119

RFO

−1.02354

3.18392E−03

6.75645

−1.93501

22.3874

0.336282

1.56605

2.1226738

SMS2

−0.95250673

51.7616193

5.17616193

−0.9540000

12.57433080

0.10000

1.3600

1.69778

WOA18

−1.19693

31.800

3.6000

−1.7700

22.974

0.100

2.216

37.273

ALO27

−1.1880

36.840

6.8200

−1.9000

22.5552

0.290

1.60

1.190

GOA27

−0.8550

30.320

9.0600

−1.9000

21.0423

0.319

1.46

1.710

MVO27

−1.1396

31.910

4.5800

−1.9000

20.5547

0.410

1.41

2.130

SSO43

−0.9719

33.487

7.9111

−0.95435

13.0000

0.10000

5.34

1.219

IHBO49

−1.19970

33.100

4.2000

−1.9300

20.877

0.100

1.613

1.170

EO49

−1.09072

33.300

6.4200

−1.9100

22.177

0.267

1.649

1.462

MRFO49

−1.11262

30.600

4.2300

−1.9500

21.705

0.111

1.718

3.683

STSA49

−0.85320

21.800

3.8300

−1.9100

18.062

0.100

1.383

2.135

HHO50

−1.09311

32.8141

5.67397

−1.89666

20.0436

0.225793

151.48

1.4879

ASO50

−1.0432

36.745

8.8772

1.8775

23.3295

0.581379

1.6495

2.661

MFO51

−1.0079

33.230

7.9800

−1.9000

20.9189

0.154

1.58

1.190

SSO52

−1.0074

33.470

8.1500

−1.9000

18.9165

0.121

1.50

1.610

FMHHO53

−0.87884

30.236

8.2272

−1.1934

22.709

0.40472

1.5289

1.1770

MHHO53

−0.91048

30.661

7.9053

−1.9098

19.384

0.10320

1.5212

1.3511

HHO53

−0.96053

33.505

8.7377

−1.8967

21.821

0.42358

1.5006

1.5753

VSDE54

−1.1970

42.330

9.7990

−1.9201

20.194

0.1108

1.57

1.214

VSA54

−1.0005

3.0053

5.8273

−1.9498

22.322

0.2161

1.58

1.570