Biomedical Engineering Reference
In-Depth Information
30000
20000
10000
0
-10000
-20000
-30000
0.000
0.047
0.094
0.141
0.189
0.236
0.283
0.330
Time (s)
FIGURE 13.35
A plot of the acceleration estimates (dots) and acceleration simulation results (solid line) from
the modified linear homeomorphic model.
EXAMPLE PROBLEM 13.6
Using the oculomotor plant model described with Eq. (13.35) and the following parameters,
simulate a 20
saccade.
125 Nm
1
,
32 Nm
1
,
4Nm
1
,
1 Nsm
1
,
10
3
Ns
2
m
1
K
se
¼
K
lt
¼
K
¼
66
:
B
¼
3
:
J
¼
2
:
2
4 Nsm
1
,
2 Nsm
1
, t
ac
¼
10
5
,
B
ag
¼
3
:
B
ant
¼
1
:
0
:
009 s, t
de
¼
0
:
0054 s, d ¼
5
:
80288
F
p
¼
1
:
3N,
t
1
¼
31 ms, Latent Period
¼
150 ms
:
Plot the neural inputs, agonist and antagonist active-state tension, position, velocity, and
acceleration versus time.
Solution
Using the given parameter values, the following m-file provides the parameter values for the
SIMULINK program.
¼
Fp
1.3
¼
t1
.031
theta
¼
20
