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Multiphysics-Informed Machine Learning Platform for Interface Study
Multiphysics-Informed Machine Learning Platform for Interface Study
Multiphysics-Informed Machine Learning Platform for Interface Study

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자료유형  
 학위논문 서양
최종처리일시  
20260202105653
ISBN  
9798265453020
DDC  
658
저자명  
Bansal, Parth.
서명/저자  
Multiphysics-Informed Machine Learning Platform for Interface Study
발행사항  
[Sl] : University of Illinois at Urbana-Champaign, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
91 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-06, Section: B.
주기사항  
Advisor: Li, Yumeng.
학위논문주기  
Thesis (Ph.D.I.E.)--University of Illinois at Urbana-Champaign, 2024.
초록/해제  
요약With the increasing focus on sustainable technologies both in terms of newer developments and increasing the life of existing ones, there is a need to efficiently and accurately assess these technological systems. This can be achieved through using less expensive and really accurate finite element computational models. However, these Monte-Carlo simulations are still too computationally expensive and require a lot of resources. Hence, this thesis develops finite element models that work together with machine learning techniques to provide a robust framework to perform various studies such as uncertainty quantification, state of health prognostics and design of different physical and electrical systems. The main contribution of this thesis is to demonstrate frameworks that can be used to evaluate the system performance (e.g. corrosion related material loss, capacity loss in batteries) and help in designing better systems by understanding and quantifying the sources of uncertainty in them by the use of physics-informed machine learning.The first step in this process of physics-informed machine learning is to develop the finite element models, whose results are used to inform or train the machine learning algorithms. This thesis focuses on two main systems: galvanic corrosion in dissimilar material joints and the capacity fade in silicon anode based lithium-ion batteries. The finite element models for both these processes include a variety of failure modes that can accurately and reliably predict the system life cycle. Experimental work is also used to partially verify the finite element models. The results from these finite element models are then used with machine learning models such as Gaussian Process Regression models to reduce the overall cost burden. Processes such as probablistic-confidence based adaptive sampling techniques can further reduce the computational costs by thoroughly exploring the design space in an efficient manner. The trained machine learning models can then be used for a variety of applications such as state of health analysis, uncertainty quantification and better system design.
일반주제명  
Industrial engineering
일반주제명  
Electrical engineering
키워드  
Corrosion
키워드  
Li-ion battery
키워드  
Health prognostics
키워드  
Electrical systems
기타저자  
University of Illinois at Urbana-Champaign Industrial&Enterprise Sys Eng
기본자료저록  
Dissertations Abstracts International. 87-06B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■0820  ▼a658
■1001  ▼aBansal,  Parth.
■24510▼aMultiphysics-Informed  Machine  Learning  Platform  for  Interface  Study
■260    ▼a[Sl]▼bUniversity  of  Illinois  at  Urbana-Champaign▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a91  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-06,  Section:  B.
■500    ▼aAdvisor:  Li,  Yumeng.
■5021  ▼aThesis  (Ph.D.I.E.)--University  of  Illinois  at  Urbana-Champaign,  2024.
■520    ▼aWith  the  increasing  focus  on  sustainable  technologies  both  in  terms  of  newer  developments  and  increasing  the  life  of  existing  ones,  there  is  a  need  to  efficiently  and  accurately  assess  these  technological  systems.  This  can  be  achieved  through  using  less  expensive  and  really  accurate  finite  element  computational  models.  However,  these  Monte-Carlo  simulations  are  still  too  computationally  expensive  and  require  a  lot  of  resources.  Hence,  this  thesis  develops  finite  element  models  that  work  together  with  machine  learning  techniques  to  provide  a  robust  framework  to  perform  various  studies  such  as  uncertainty  quantification,  state  of  health  prognostics  and  design  of  different  physical  and  electrical  systems.  The  main  contribution  of  this  thesis  is  to  demonstrate  frameworks  that  can  be  used  to  evaluate  the  system  performance  (e.g.  corrosion  related  material  loss,  capacity  loss  in  batteries)  and  help  in  designing  better  systems  by  understanding  and  quantifying  the  sources  of  uncertainty  in  them  by  the  use  of  physics-informed  machine  learning.The  first  step  in  this  process  of  physics-informed  machine  learning  is  to  develop  the  finite  element  models,  whose  results  are  used  to  inform  or  train  the  machine  learning  algorithms.  This  thesis  focuses  on  two  main  systems:  galvanic  corrosion  in  dissimilar  material  joints  and  the  capacity  fade  in  silicon  anode  based  lithium-ion  batteries.  The  finite  element  models  for  both  these  processes  include  a  variety  of  failure  modes  that  can  accurately  and  reliably  predict  the  system  life  cycle.  Experimental  work  is  also  used  to  partially  verify  the  finite  element  models.                        The  results  from  these  finite  element  models  are  then  used  with  machine  learning  models  such  as  Gaussian  Process  Regression  models  to  reduce  the  overall  cost  burden.  Processes  such  as  probablistic-confidence  based  adaptive  sampling  techniques  can  further  reduce  the  computational  costs  by  thoroughly  exploring  the  design  space  in  an  efficient  manner.  The  trained  machine  learning  models  can  then  be  used  for  a  variety  of  applications  such  as  state  of  health  analysis,  uncertainty  quantification  and  better  system  design.
■590    ▼aSchool  code:  0090.
■650  4▼aIndustrial  engineering
■650  4▼aElectrical  engineering
■653    ▼aCorrosion
■653    ▼aLi-ion  battery
■653    ▼aHealth  prognostics
■653    ▼aElectrical  systems
■690    ▼a0546
■690    ▼a0544
■690    ▼a0800
■71020▼aUniversity  of  Illinois  at  Urbana-Champaign▼bIndustrial&Enterprise  Sys  Eng.
■7730  ▼tDissertations  Abstracts  International▼g87-06B.
■790    ▼a0090
■791    ▼aPh.D.I.E.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17361021▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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