International Journal of Structural Stability and Dynamics,
Год журнала:
2022,
Номер
22(09)
Опубликована: Март 24, 2022
Many
studies
on
structural
control
have
been
done
in
recent
decades
to
enhance
the
safety
and
serviceability
of
high-rise
structures
or
towers
against
earthquakes
severe
winds.
Because
most
an
unbalanced
layout,
when
they
are
exposed
earthquake,
undergo
torsion
effects,
which
exacerbate
reaction.
Also,
such
might
be
built
soft
soil,
where
influence
Soil–Structure
Interaction
(SSI)
would
significant.
Thus,
taking
into
account
SSI
effect,
a
mathematical
model
is
developed
this
study
determine
seismic
performance
irregular
multi-story
structure
with
Active
Tuned
Mass
Dampers
(ATMDs)
at
top
floor.
The
results
were
produced
utilizing
MATLAB/SIMULINK
software
using
proposed
hybrid
Shallow
Neural
Network
(SNN)
technology
Shuffled
Shepherd
Optimization
(SSO).
response
40-story
asymmetric
project
buildings
studied
model.
findings
showed
that
ATMDs
higher
floors
soil
reduced
reflexes.
When
compared
Particle
Swarm
(PSO)
Ant
Lion
(ALO)
algorithms,
suggested
technique
outperforms
them
both.
Journal of Building Engineering,
Год журнала:
2021,
Номер
44, С. 103259 - 103259
Опубликована: Сен. 16, 2021
Tuned
mass
damper
inerter
(TMDI)
is
commonly
reported
to
be
a
lightweight
tunable
device
that
can
significantly
reduce
buildings'
seismic
response.
However,
the
backward
action
produced
by
and
returned
building
in
conventional
TMDIs
may
either
performance
or
limit
potential.
This
study
proposes
investigates
novel
control
scheme
using
large
physical
ratios
generated
inerters.
Hence,
double
tuned
(DMTDI)
formulated.
The
proposed
consists
of
two
TMDs
placed
at
roof
connected
via
an
inerter.
Thus,
transmitted
secondary
instead
building.
Both
TMDI
DMTDI
parameters
are
optimized
genetic
algorithm
(GA).
top
floor
displacement
transfer
function's
H2-
norm
considered
as
objective
function
for
minimization.
optimally
devices
then
tested
under
one
hundred
(100)
near
far-field
ground
motions.
results
obtained
show
significant
response
improvement
peak
displacement,
acceleration,
base
shear.
structure
energy
also
investigated;
lowest
studied
observed
while
scheme.
AIMS Mathematics,
Год журнала:
2024,
Номер
9(5), С. 13410 - 13438
Опубликована: Янв. 1, 2024
<abstract>
<p>In
this
study,
we
present
a
comprehensive
framework
for
enhancing
the
temperature
control
of
electric
furnaces,
integrating
three
novel
components:
proportional-integral-derivative
controller
with
filter
(PID-F),
customized
objective
function,
and
modified
eel
foraging
optimization
(mEEFO)
algorithm.
The
PID-F
controller,
introduced
first
time
in
literature
leverages
coefficient
to
effectively
mitigate
kick
effect,
improving
transient
frequency
responses.
To
further
optimize
employed
mEEFO,
recently
proposed
metaheuristic
inspired
by
social
predation
behaviors
eels,
tailored
modifications
furnace
control.
study
also
introduces
new
based
on
modification
integral
absolute
error
(IAE)
performance
index.
was
evaluated
through
extensive
comparisons
established
algorithms,
including
statistical
analysis,
Wilcoxon
signed-rank
test,
domain
analyses.
Comparative
assessments
reported
methods,
such
as
genetic
algorithms
Ziegler–Nichols-based
PID
controllers,
validated
efficacy
approach,
highlighting
its
transformative
impact
regulation.
non-ideal
conditions
measurement
noise,
external
disturbance,
saturation
at
output
were
order
demonstrate
superior
approach
from
wider
perspective.
Furthermore,
robustness
against
variations
system
parameters
demonstrated.</p>
</abstract>
Computer-Aided Civil and Infrastructure Engineering,
Год журнала:
2021,
Номер
37(8), С. 1027 - 1043
Опубликована: Ноя. 12, 2021
Abstract
A
metaheuristic‐based
tuning
methodology
for
the
optimization
of
active
tuned
mass
dampers
(ATMDs)
is
presented.
The
considers
both
physical
parameters
ATMDs
and
controller
control
algorithm.
employed
algorithm
a
proportional–integral–derivative
type
controller.
are
used
in
structures
reduction
structural
responses
resulted
from
earthquakes.
proposed
methodologies
must
be
feasible
real
practices
construction,
so
consider
all
factors
such
as
stroke
capacity,
limitation
force,
time
delay
generated
signal,
time‐saving
one.
novel
hybrid
metaheuristic
that
combines
specific
advantages
four
metaheuristics
(harmony
search,
flower
pollination
algorithm,
teaching‐learning‐based
Jaya
algorithm)
process.
results
process
showed
more
effective
high
values
strike
limitations,
compared
to
TMDs.
feasibility
effectiveness
optimum
method
also
demonstrated
on
full‐size
76‐story
structure.
Applied Sciences,
Год журнала:
2021,
Номер
11(4), С. 1682 - 1682
Опубликована: Фев. 13, 2021
In
this
study,
multi-story
structures
with
different
combinations
(on
each
floor
and
only
the
first
floor)
of
active
tendon
control
systems
driven
by
a
proportional–integral–derivative
(PID)
controller
were
actively
controlled.
The
PID
parameters,
Kp
(proportional
gain),
Td
(derivative
Ti
(integral
gain)
for
structure,
optimally
tuned
using
both
harmony
search
algorithm
(HS)
flower
pollination
(FPA),
which
are
metaheuristic
algorithms.
two
active-controlled
structures,
formed
according
to
position
PID,
structural
responses
under
near-fault
records
defined
in
FEMA
P-695
examined
determine
appropriate
feedback
was
applied
displacement,
velocity,
acceleration,
total
acceleration.
performance
strategies
on
these
is
evaluated.
As
result,
acceleration
suitable
all
system
controller.
HS
outperforms
optimum
results
found
FPA.
Buildings,
Год журнала:
2022,
Номер
12(3), С. 377 - 377
Опубликована: Март 18, 2022
This
study
focuses
on
tuned
liquid
dampers
(TLDs)
using
liquids
with
different
characteristics
optimized
the
adaptive
harmony
search
algorithm
(AHS).
TLDs
utilize
characteristic
features
of
to
absorb
dynamic
forces
entering
structure
and
benefit
from
sloshing
movement
spring
stiffness
created
by
mass.
have
been
investigate
effect
control
analyzing
various
liquids.
For
optimization,
memory
consideration
ratio
(HMCR)
fret
width
(FW)
values
were
adapted
classical
(HS)
parameters.
The
used
three
types
models,
such
as
single-story,
10,
40
stories.
contribution
damping
performance
was
investigated
optimizing
minimum
displacement
under
seismic
excitation.
According
results,
it
understood
that
density
kinematic
viscosity
do
not
affect
single-story
structures
alone.
However,
two
should
be
evaluated
together.
As
mass
increases,
become
more
prominent.
