Journals
Publish with us
Publishing partnerships
About us
Blog
Advances in Acoustics and Vibration
Table of Contents
Special Issues
Advances in Acoustics and Vibration
/
2011
/
Article
/
Tab 4
/
Research Article
Hybrid Swarm Algorithms for Parameter Identification of an Actuator Model in an Electrical Machine
Table 4
Influence function for preying.
Preying
Select nextββstate (Ns, NsSd, NsNd)
π
π‘
+
1
π
=
π
π‘
π
+
r
a
n
d
(
0
,
1
)
Γ
s
i
z
e
(
πΌ
π
)
π
β€
t
r
y
_
n
u
m
β
βNs
π₯
π‘
+
1
π
π
=
π₯
π‘
π
π
+
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
π
π‘
+
1
π
β
π
π‘
π
β
βSd
π₯
π‘
+
1
π
π
=
β§
βͺ
βͺ
βͺ
βͺ
β¨
βͺ
βͺ
βͺ
βͺ
β©
π₯
π‘
π
π
+
|
|
|
|
|
r
a
n
d
(
0
,
1
)
Γ
π
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
π
π‘
+
1
π
β
π
π‘
π
β
|
|
|
|
|
i
f
π₯
π‘
π
π
<
π
π‘
π
π₯
t
π
π
β
|
|
|
|
|
r
a
n
d
(
0
,
1
)
Γ
s
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
X
t
+
1
i
β
X
t
i
β
|
|
|
|
|
i
f
π₯
π‘
π
π
>
π
π‘
π
π₯
π‘
π
π
+
r
a
n
d
(
0
,
1
)
Γ
s
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
X
t
+
1
i
β
X
t
i
β
,
o
t
h
e
r
w
i
s
e
βNsSd
π₯
π‘
+
1
π
π
=
β§
βͺ
βͺ
βͺ
βͺ
β¨
βͺ
βͺ
βͺ
βͺ
β©
π₯
π‘
π
π
+
|
|
|
|
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
π
π‘
+
1
π
β
π
π‘
π
β
|
|
|
|
|
i
f
π₯
π‘
π
π
<
π
π‘
π
π₯
π‘
π
π
β
|
|
|
|
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
X
t
+
1
i
β
X
t
i
β
|
|
|
|
|
i
f
π₯
π‘
π
π
>
π
π‘
π
π₯
π‘
π
π
+
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
π
π‘
+
1
π
β
π
π‘
π
β
,
o
t
h
e
r
w
i
s
e
βNsNd
π₯
π‘
+
1
π
π
=
β§
βͺ
βͺ
βͺ
βͺ
β¨
βͺ
βͺ
βͺ
βͺ
β©
π₯
π‘
π
π
+
|
|
|
|
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
X
t
+
1
i
β
X
t
i
β
|
|
|
|
|
i
f
π₯
π‘
π
π
<
π
π‘
π
π₯
π‘
π
π
β
|
|
|
|
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
X
t
+
1
i
β
X
t
i
β
|
|
|
|
|
i
f
π₯
π‘
π
π
>
π’
π‘
π
π₯
π‘
π
π
+
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
Γ
(
π₯
π‘
+
1
π
π
β
π₯
π‘
π
π
)
β
π
π‘
+
1
π
β
π
π‘
π
β
,
o
t
h
e
r
w
i
s
e
π
>
t
r
y
_
n
u
m
β
βNs
π₯
π‘
+
1
π
π
=
π₯
π‘
π
π
+
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
βSd
π₯
π‘
+
1
π
π
=
β§
βͺ
βͺ
β¨
βͺ
βͺ
β©
π₯
π‘
π
π
+
|
r
a
n
d
(
0
,
1
)
Γ
π
|
i
f
π₯
π‘
π
π
<
π
π‘
π
π₯
π‘
π
π
β
|
r
a
n
d
(
0
,
1
)
Γ
π
|
i
f
π₯
π‘
π
π
>
π
π‘
π
π₯
π‘
π
π
+
r
a
n
d
(
0
,
1
)
Γ
π
,
o
t
h
e
r
w
i
s
e
βNsSd
π₯
π‘
+
1
π
π
=
β§
βͺ
βͺ
β¨
βͺ
βͺ
β©
π₯
π‘
π
π
+
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
|
i
f
π₯
π‘
π
π
<
π
π‘
π
π₯
π‘
π
π
β
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
|
i
f
π₯
π‘
π
π
>
π
π‘
π
π₯
π‘
π
π
+
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
,
o
t
h
e
r
w
i
s
e
βNsNd
π₯
π‘
+
1
π
π
=
β§
βͺ
βͺ
β¨
βͺ
βͺ
β©
π₯
π‘
π
π
+
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
|
i
f
π₯
π‘
π
π
<
π
π‘
π
π₯
π‘
π
π
β
|
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
|
i
f
π₯
π‘
π
π
>
π’
π‘
π
π₯
π‘
π
π
+
s
i
z
e
(
πΌ
π
)
Γ
r
a
n
d
(
0
,
1
)
,
o
t
h
e
r
w
i
s
e