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Synchronization in Networks of Coupled Phase Oscillators: From Designing for Robustness to Exploring Emergent Patterns
Synchronization in Networks of Coupled Phase Oscillators: From Designing for Robustness to...
Synchronization in Networks of Coupled Phase Oscillators: From Designing for Robustness to Exploring Emergent Patterns

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211152715
ISBN  
9798384053255
DDC  
519
저자명  
Nagpal, Shriya Vedantham.
서명/저자  
Synchronization in Networks of Coupled Phase Oscillators: From Designing for Robustness to Exploring Emergent Patterns
발행사항  
[Sl] : Cornell University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
112 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
주기사항  
Advisor: Anderson, Catherine.
학위논문주기  
Thesis (Ph.D.)--Cornell University, 2024.
초록/해제  
요약Networks of coupled phase oscillators have been used to model a wide array of applications including circadian rhythms, flashing fireflies, Josephson junction arrays, and high-voltage electric grids. In many of these applications, synchronization is a behavior that emerges over time and is of interest to understand and optimize for. This thesis uses tools from both pure and applied mathematics to address some of the key challenges in network theory as they relate to synchronization in networks of coupled phase oscillators via two lines of research. In the first line of research, we propose a mathematical model for designing robust networks of coupled phase oscillators by leveraging a vulnerability measure that quantifies the impact of a small perturbation at an individual phase oscillator's natural frequency on the system's global synchronized frequencies. We apply this mathematical framework to design high-voltage electric grids that are robust to the integration of renewable energy. In the second line of research, we use graphon theory to outline conditions under which synchronization emerges on large random networks of coupled phase oscillators. In particular, we consider the Kuramoto model on Erdos-Renyi networks and show ´ that the model will phase synchronize with high probability as the size of the network, n, tends to infinity, as long as the edge probability is asymptotically larger than the connectivity threshold, log(n)/ n. We also consider the Sakaguchi-Kuramoto model on Erdos-Renyi networks and show that this model will frequency synchronize with high probability as n tends to infinity, as long as the edge probability is a constant greater than zero.
일반주제명  
Applied mathematics
일반주제명  
Mathematics
일반주제명  
Computer science
일반주제명  
Alternative energy
키워드  
Dynamical systems
키워드  
Networks
키워드  
Synchronization
키워드  
Edge probability
키워드  
Vulnerability
기타저자  
Cornell University Applied Mathematics
기본자료저록  
Dissertations Abstracts International. 86-03B.
전자적 위치 및 접속  
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MARC

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■020    ▼a9798384053255
■035    ▼a(MiAaPQ)AAI31489048
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a519
■1001  ▼aNagpal,  Shriya  Vedantham.▼0(orcid)0000-0003-3151-7574
■24510▼aSynchronization  in  Networks  of  Coupled  Phase  Oscillators:  From  Designing  for  Robustness  to  Exploring  Emergent  Patterns
■260    ▼a[Sl]▼bCornell  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a112  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-03,  Section:  B.
■500    ▼aAdvisor:  Anderson,  Catherine.
■5021  ▼aThesis  (Ph.D.)--Cornell  University,  2024.
■520    ▼aNetworks  of  coupled  phase  oscillators  have  been  used  to  model  a  wide  array  of  applications  including  circadian  rhythms,  flashing  fireflies,  Josephson  junction  arrays,  and  high-voltage  electric  grids.  In  many  of  these  applications,  synchronization  is  a  behavior  that  emerges  over  time  and  is  of  interest  to  understand  and  optimize  for.  This  thesis  uses  tools  from  both  pure  and  applied  mathematics  to  address  some  of  the  key  challenges  in  network  theory  as  they  relate  to  synchronization  in  networks  of  coupled  phase  oscillators  via  two  lines  of  research.  In  the  first  line  of  research,  we  propose  a  mathematical  model  for  designing  robust  networks  of  coupled  phase  oscillators  by  leveraging  a  vulnerability  measure  that  quantifies  the  impact  of  a  small  perturbation  at  an  individual  phase  oscillator's  natural  frequency  on  the  system's  global  synchronized  frequencies.  We  apply  this  mathematical  framework  to  design  high-voltage  electric  grids  that  are  robust  to  the  integration  of  renewable  energy.  In  the  second  line  of  research,  we  use  graphon  theory  to  outline  conditions  under  which  synchronization  emerges  on  large  random  networks  of  coupled  phase  oscillators.  In  particular,  we  consider  the  Kuramoto  model  on  Erdos-Renyi  networks  and  show  ´  that  the  model  will  phase  synchronize  with  high  probability  as  the  size  of  the  network,  n,  tends  to  infinity,  as  long  as  the  edge  probability  is  asymptotically  larger  than  the  connectivity  threshold,  log(n)/  n.  We  also  consider  the  Sakaguchi-Kuramoto  model  on  Erdos-Renyi  networks  and  show  that  this  model  will  frequency  synchronize  with  high  probability  as  n  tends  to  infinity,  as  long  as  the  edge  probability  is  a  constant  greater  than  zero.
■590    ▼aSchool  code:  0058.
■650  4▼aApplied  mathematics
■650  4▼aMathematics
■650  4▼aComputer  science
■650  4▼aAlternative  energy
■653    ▼aDynamical  systems
■653    ▼aNetworks
■653    ▼aSynchronization
■653    ▼aEdge  probability
■653    ▼aVulnerability  
■690    ▼a0364
■690    ▼a0405
■690    ▼a0984
■690    ▼a0363
■71020▼aCornell  University▼bApplied  Mathematics.
■7730  ▼tDissertations  Abstracts  International▼g86-03B.
■790    ▼a0058
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163495▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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