Skip to main content

Table 5 The estimated parameters of two simulations for the DPSO algorithm

From: A modified particle swarm optimization algorithm for parameter estimation of a biological system

True parameters

α i

g i1

g i2

g i3

g i4

β i

h i1

h i2

h i3

h i4

RMSE

DPSO noise free measurement

0.2291

x 1

20.2023

0

0

−0.5991

0

10.2041

0.7005

0

0

0

x 2

8.1990

0.6944

0

0

0

3.2005

0

0.9511

0

0

x 3

3.2062

0

0.9527

0

0

3.2002

0

0

0.6936

0.3995

x 4

2.1953

0.7009

0

0

0

6.1974

0

0

0

0.9952

DPSO noisy measurement with SNR 20

0.3722

x 1

21.326

0

0

−0.4736

0

10.3255

0.8217

0

0

0

x 2

8.3162

0.8279

0

0

0

3.3227

0

1.0783

0

0

x 3

3.3122

0

1.0662

0

0

3.3331

0

0

0.8197

0.5247

x 4

2.3317

0.8094

0

0

0

5.3346

0

0

0

1.1281