Biomedical Engineering Reference
In-Depth Information
(c)
(d)
f
6
0
400
EMG6
f
5
0
EMG5
400
f
4
EMG4
0
400
f
3
EMG3
0
400
EMG2
f
2
0
400
EMG1
f
1
0.2
0.4
0.6
0.8
1
1.2
1.4
0
0.25
0.5
0.75
1
1.25
1.5
Time (s)
Time (s)
Figure 16.10 (See color insert following page 302) Comparison of the time responses of the human hand
motions in (a), the EMG in (c) from the experiments, and the numerical simulations in (b) and (d) with our combined
criterion of the hand interaction force change and muscle force change.
into two classes: those that require compliant interaction with the environment such as to push and
open a door, and those that require to impose some exact force to the environment. With respect to
these two different contact requirements, impedance control and explicit force control have been
proposed, respectively. In this section, we summarize these two control approaches and introduce
their recent developments.
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