Table 7 Optimization result of three-bar truss structure design compared with other methods.

From: An intelligent hybrid grey wolf-particle swarm optimizer for optimization in complex engineering design problem

Algorithm

Statistical results

Optimum variable

f (x1, x2)

Best value

Worst value

Mean value

SD value

Rank

x1

x2

HGWPSO

263.9044

282.8476

270.3206

10.8498

1

0.8084

0.356

264.2097

HMFOPSO

1602.1627

2773.0118

2172.8124

585.9836

13

4.4845

3.3367

1602.1627

HPSOALO

264.8705

296.1157

282.6765

16.0738

4

0.6576

1.010

287.0431

HGWOWOA

284.1767

287.3138

286.0023

1.6305

10

1.0047

0

284.1767

HGWOSCA

283.0757

287.1303

284.4689

2.3057

7

1.0013

0

283.2008

GWO

272.9803

1154.7747

571.7247

504.9878

9

0.8663

0.2796

272.9803

PSO

1555.8422

3198.7427

2284.5562

837.0069

12

8.6676

7.4714

3198.7427

MFO

1166.4188

2485.4807

1893.4985

669.828

11

2.2666

5.2531

1166.4188

WOA

263.9307

364.1824

306.9186

51.628

2

0.6473

1.0953

292.6428

SCA

283.1981

290.8955

285.8852

4.3429

8

1.0013

0

283.1981

ALO

283.0221

285.1114

283.9721

1.0574

6

1.008

0

285.1114

COA

264.2656

314.9093

282.1415

28.4169

3

0.6233

1.3861

314.9093

GJO

282.9176

283.2613

283.0469

0.18692

5

1.004

0

282.962