<s>
Dielectric	B-Algorithm
elastomers	I-Algorithm
(	O
DEs	O
)	O
are	O
smart	O
material	O
systems	O
that	O
produce	O
large	O
strains	O
.	O
</s>
<s>
They	O
belong	O
to	O
the	O
group	O
of	O
electroactive	O
polymers	B-Language
(	O
EAP	O
)	O
.	O
</s>
<s>
where	O
is	O
the	O
vacuum	O
permittivity	O
,	O
is	O
the	O
dielectric	O
constant	O
of	O
the	O
polymer	B-Language
and	O
is	O
the	O
thickness	O
of	O
the	O
elastomer	O
film	O
.	O
</s>
<s>
The	O
hydrogel	O
's	O
stiffness	B-Algorithm
can	O
be	O
thousands	O
of	O
times	O
smaller	O
than	O
the	O
dielectric	O
's	O
,	O
allowing	O
actuation	O
without	O
mechanical	O
constraint	O
across	O
a	O
range	O
of	O
nearly	O
100%	O
at	O
millisecond	O
speeds	O
.	O
</s>
<s>
The	O
material	O
should	O
have	O
low	O
stiffness	B-Algorithm
(	O
especially	O
when	O
large	O
strains	O
are	O
required	O
)	O
;	O
</s>
<s>
Balloon	O
actuators	O
:	O
Plane	O
elastomer	O
is	O
attached	O
to	O
an	O
air	O
chamber	O
and	O
inflated	O
with	O
a	O
constant	O
volume	O
of	O
air	O
,	O
then	O
the	O
stiffness	B-Algorithm
of	O
the	O
elastomer	O
can	O
be	O
varied	O
by	O
applying	O
electrical	O
load	O
;	O
hence	O
resulting	O
in	O
voltage-controlled	O
bulging	O
of	O
the	O
elastomeric	O
balloon	O
.	O
</s>
<s>
Dielectric	B-Algorithm
elastomers	I-Algorithm
offer	O
multiple	O
potential	O
applications	O
with	O
the	O
potential	O
to	O
replace	O
many	O
electromagnetic	O
actuators	O
,	O
pneumatics	O
and	O
piezo	O
actuators	O
.	O
</s>
