Control spiral wave

Author: ijtm

August undefined, 2024

Webral wave in cardiac tissue is responsible for one kind of heart disease, and instability of the spiral wave in car-diac tissue can cause rapid death of the heart. There-fore, it is interesting to study the control and removal of the spiral wave [7–18] due to its potential appli-cation in curing heart disease and neuronal disease, etc. WebJan 27, 2024 · The development of new approaches to control cardiac arrhythmias requires a deep understanding of spiral wave dynamics. Optogenetics offers new possibilities for this. Preliminary experiments show that sub-threshold illumination affects electrical wave propagation in the mouse heart.

[1004.0045] Control spiral wave dynamics using feedback …

WebMar 9, 2009 · The Control of Spiral-Wave Turbulence in the Presence of Inhomogeneities. In the last Section we have given a short overview of some control schemes that have been used to suppress spiral-wave … WebDec 1, 2004 · Crucial for the control of spiral wave location is the resonant drift of spiral waves induced in response to a periodic change in the excitability of the whole medium … christmas brunch in bangalore 2022

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Web2 days ago · GUAYAQUIL, Ecuador — Even in a region known for record-setting violence, Ecuador’s recent spiral into lawlessness and bloodshed stands out. Deadly crime in the Andean nation has now hit historic highs, with a national homicide rate surpassing that of Brazil and Mexico, long ranked among Latin America’s most murderous countries. WebSep 27, 2024 · This so-called AAD control involves a feedback interaction between three fundamental dynamical properties of spiral waves: attraction, anchoring and unpinning. … WebMar 1, 2024 · Feedback control of spiral waves by the signal derived from a moving measuring point is investigated in the two-dimensional FitzHugh–Nagumo model, where the measuring location is changed with the motion of the spiral tip according to two schemes. christmas brunch meme

Control of Spiral Wave breakup by Spatiotemporal Modulation.

Capillary rise behavior of lubricant in micropores with spiral bulge ...

WebOct 1, 2008 · It is confirmed that the spiral wave could be suppressed by the new appeared target wave within 300 time units under the periodical boundary conditions, and it proved … WebNov 20, 2011 · The control of spiral wave breakup due to Doppler instability has been investigated. It is found that by applying the spatiotemporal modulation method with suitable control parameters,... christmas brunch kid friendlyWebMay 16, 2005 · Properties of spiral wave dynamics under local feedback control. We start with a spiral structure evolving under a given background light intensity of I bg = 0.12 mW/cm 2. The tip of this unperturbed spiral wave moves rigidly on a circle with a diameter of 0.39 mm. The rotation period is T 0 = 52 ± 2 s. christmas brunch menu easy

"WebNov 12, 2024 · A rotating spiral wave represents a source of a self-sustained periodic activity in an excitable medium. This extraordinary activation can cause cardiac arrhythmias and even sudden death [ 15, 16 ]. One obvious way to prevent such undesirable activity is to clarify and analyse possible mechanisms of spiral wave initiation in excitable media. " - Control spiral wave

Control spiral wave

Spiral-Wave Dynamics in a Mathematical Model of Human ... - PLOS

WebDoes the spiral wave chimera state really exist? All investigations combine a theoretical approach and experimental verification, which exploit an oscillatory chemical reaction. A novel experimental setup is developed that allows for ... turbulence control, weather forecasting, and plasma control. One of the main features of the book is a

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WebJan 25, 2024 · We show how this methodology can be used to control and create the desired spatial excitation pattern. We found that the control is sensitive to the area of … WebJun 16, 2024 · Lethal cardiac arrhythmias often involve the occurrence of spiral waves, whose control is essential for the treatment of the disease. While high-voltage shock-based control methods rely on...

WebSep 4, 2013 · In our homogeneous studies, we find that the rotation speed and stability of a spiral wave can be controlled either by controlling or . Our studies with fibroblast inhomogeneities show that a spiral wave can get anchored to a … WebOct 15, 2013 · Drive Control of Spiral Wave and Turbulence by a Target Wave in CGLE - IOPscience This site uses cookies. By continuing to use this site you agree to our use of …

WebApr 22, 2024 · Investigating spiral wave formation and propagation will pave a platform for understanding wave dynamics in network of neurons and can be a handy tool to control the fibrillations . The Literature shows few efficacious methods to control spiral waves such as adding random link to the regular network [ 7 ], one-channel feedback [ 8 ] but most of ... WebOct 5, 2024 · 3 Feedback-controlled dynamics of spiral waves A single spiral wave is created from the equation system ( 1) with \alpha =0.6, \beta =-1.4, \mu =1.0 and …

WebFeb 2, 2024 · The spiral waves formed in the layer-2 for {5<}\tau {<7}, but further increase in time delay makes them slowly diminish Full size image 2.1.2 Delay in the layer-2 interlayer coupling In the second phase, the interest is to consider the time delay just in layer-2.

WebWe found that the control is sensitive to the area of illuminated region but independent of the phase difference of the existing spiral wave and the applied spiral-shaped … christmas brunch los angeles 2021WebAbstract. Introduction: It has been reported that electrical stimulation can control spiral wave (SW) reentry. However, previous research does not account for the effects of stimulus … christmas brunch in scottsdale azWebOct 10, 2002 · Turbulence control in the two-dimensional complex Ginzburg-Landau equation is investigated. An approach is proposed for the purpose of control. In the presence of a small spiral wave seed initiation, a fully developed turbulence can be completely annihilated by injecting a single periodic signal into a small fixed space area … german wine rhubarb ontarioWebMar 30, 2024 · Accordingly, multiple OAM waves with different spiral structures can be superimposed and separated without causing them to interfere with each other if we use a receiver that can receive each OAM wave with its corresponding spiral structure. OAM multiplexing transmission technology uses this feature to transmit multiple data streams … german wine road mapWebApr 14, 2024 · WWE legend Rey Mysterio has admitted his wife pushed him to overcome his past struggle with painkiller addiction. The 48-year-old Hall of Famer, who is riding an incredible wave after beating his ... christmas brunch invite wordingWebWe also study two types of control schemes that have been suggested for the control of spiral turbulence, via low amplitude current pulses, in such mathematical models for … christmas brunch jefferson hotel richmond vaWebDec 23, 2016 · The authors in refs 30 and 31 proposed a scheme of phase compression to suppress the spiral wave in excitable and oscillatory media, particularly, the control mechanism is confirmed as a class of ... german wine road itinerary