Periodic bursting oscillations in a hybrid Rayleigh–Van der Pol–Duffing oscillator
Nonlinear Dynamics,
Год журнала:
2022,
Номер
111(3), С. 2263 - 2279
Опубликована: Окт. 10, 2022
Язык: Английский
Research on multi-valued response and bursting oscillation of series multi-stable piezoelectric energy harvester
The European Physical Journal Plus,
Год журнала:
2022,
Номер
137(5)
Опубликована: Май 1, 2022
Язык: Английский
Control of Network Bursting in a Model Spiking Network Supplied with Memristor—Implemented Plasticity
Mathematics,
Год журнала:
2023,
Номер
11(18), С. 3888 - 3888
Опубликована: Сен. 12, 2023
We
consider
an
unstructured
neuron
network
model
composed
of
excitatory
and
inhibitory
neurons.
The
synaptic
connections
are
supplied
with
spike
timing-dependent
plasticity
(STDP).
take
the
STDP
implemented
using
a
memristor.
In
normal
conditions,
forms
so-called
bursting
discharges
typical
living
networks
in
dissociated
neuronal
cultures.
Incorporating
biologically
inspired
model,
we
demonstrate
how
memristive
emulates
plasticity,
which
is
crucial
for
regulating
synchronous
brain
activity.
have
found
that,
when
memristor-based
activated,
dynamics
suppressed
turns
to
random
spiking
mode.
dependence
properties
on
degree
analyzed.
These
findings
hold
implications
advancing
invasive
neurointerfaces
identification
management
epileptiform
Язык: Английский
Experimental observation of distinct amplitude-modulated bursting in Liénard system
The European Physical Journal Plus,
Год журнала:
2023,
Номер
138(12)
Опубликована: Дек. 16, 2023
Abstract
In
this
study,
we
explore
the
emergence
of
amplitude-modulated
bursting
in
a
multi-frequency
excited
Liénard
system.
Our
investigation
reveals
that
system
exhibits
distinct
patterns
for
lower
damping
value
and
varying
forcing
frequencies
Conversely,
higher
with
frequencies,
intricate
accompanied
by
variety
oscillations.
The
discrete
arise
as
consequence
dynamic
interplay
slowly
multiple
frequency
within
To
gain
deeper
understanding
these
dynamics,
conduct
comprehensive
stability
bifurcation
analysis.
Furthermore,
to
validate
our
findings,
perform
numerical
simulations
corroborate
results
through
real-time
hardware
circuit
experiment.
This
interdisciplinary
approach
provides
valuable
insights
into
behavior
under
excitation,
shedding
light
on
its
complex
dynamical
characteristics.
Язык: Английский
Pulse-shaped explosion-induced and non-pulse-shaped explosion-induced bursting dynamics in a parametrically and externally forced Rayleigh–van der Pol oscillator
Nonlinear Dynamics,
Год журнала:
2022,
Номер
111(7), С. 6199 - 6211
Опубликована: Дек. 13, 2022
Язык: Английский
Complex bifurcation structures and bursting oscillations of an extended Duffing‐van der Pol oscillator
Mathematical Methods in the Applied Sciences,
Год журнала:
2022,
Номер
unknown
Опубликована: Дек. 8, 2022
This
work
focuses
on
the
compound
bursting
dynamics
and
their
generation
mechanisms
in
an
extended
Duffing‐van
der
Pol
oscillator
excited
by
parametrical
external
slow‐varying
excitations.
By
considering
cosine
excitation
as
a
slow‐changing
variables
using
Melnikov
criterion,
fold,
Hopf,
Homoclinic
bifurcation
critical
conditions
of
generalized
autonomous
system
are
obtained,
sets
separate
whole
parameter
plane
into
seven
different
areas.
Based
that,
five
patterns,
i.e.,
“supHopf/supHopf”
type,
“fold/fold”
“fold/Homoclinic”
type
via
two
hysteresis
loops,
“fold/supHopf‐supHopf/Homoclinic”
loops
“fold/supHopf”
three
studied.
In
addition,
mechanism
period
motion
is
also
investigated
overlapping
projection
space
to
diagrams.
Our
research
shows
that
oscillations
sensitive
,
especially
for
small
values
.
Moreover,
this
explicates
how
choice
parameters
affects
trends
slow
manifolds.
Finally,
numerical
simulations
used
illustrate
test
correctness
work.
Язык: Английский
Driven Force Induced Bifurcation Delay on the Chaotic Financial System
Complexity,
Год журнала:
2022,
Номер
2022(1)
Опубликована: Янв. 1, 2022
To
understand
the
variations
in
financial
characteristics,
we
examine
dynamical
behaviors
by
considering
chaotic
model
with
external
force.
First,
characteristics
are
analyzed
introducing
driven
force
price
index
commodity
demand.
We
discover
that
presence
of
an
causes
alternate
occurrence
oscillatory
and
steady
states
as
a
function
time.
Interestingly,
find
existence
bifurcation
delay
(BD)
during
transition
from
(OS)
to
state
(SS)
or
vice
versa.
Bifurcation
is
phenomenon
which
does
not
occur
at
actual
point
but
rather
later
time,
referred
delay.
confirm
bifurcation,
estimate
compare
it
observed
transition.
Furthermore,
delay,
time
between
each
consecutive
cycle
random
fluctuations
BD.
Following
that,
BD
virtualized
via
transformed
phase
portrait.
In
addition,
show
decreasing
value
average
while
increasing
frequency
forcing.
Second,
explored
incorporating
forces
into
investment
demand
unit
cost.
similar
constant
Язык: Английский
Complex bursting oscillations induced by pulse-shaped explosion and integer frequency ratios in a Rayleigh–van der Pol system
Pramana,
Год журнала:
2023,
Номер
97(3)
Опубликована: Июль 17, 2023
Язык: Английский
On the occurrence of bursting oscillations in the damping Helmholtz–Rayleigh–Duffing oscillator with slow-changing parametrical and external forcings
Physica Scripta,
Год журнала:
2023,
Номер
99(1), С. 015204 - 015204
Опубликована: Дек. 6, 2023
Abstract
Multiple
timescale
effects
can
be
reflected
bursting
oscillations
in
many
classical
nonlinear
oscillators.
In
this
work,
we
are
concerned
about
the
induced
by
two
damped
Helmholtz-Rayleigh-Duffing
oscillator
(written
as
DHRDO
for
short)
excited
slow-changing
parametrical
and
external
forcings.
By
using
trigonometric
function
variation
authenticating
slow
excitations
a
slowly
varying
state
variable,
time-varying
rewritten
new
time-invariant
system.
Then,
critical
conditions
of
some
typical
bifurcations
presented
bifurcation
theory.
With
help
analyses,
six
patterns,
i.e.,
‘Hopf/Hopf-Hopf/Hopf’
bursting,
‘fold/Homoclinic-Hopf/Hopf’
‘fold/Homoclinic/Hopf’
‘Hopf/fold/Homoclinic/Hopf’
‘Hopf/Homoclinic/Homoclinic/Hopf’
‘Hopf/Homoclinic/Hopf-Hopf/Homoclinic/Hopf’
explored
slow/fast
decomposition
method
other
techniques.
Our
findings
provide
different
forms
oscillation
modes
well
patterns.
addition,
use
numerical
simulation
to
prove
correctness
theoretical
analyses.
Язык: Английский