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On the Importance of Inherent Structural Properties for Learning in Markov Decision Processes
On the Importance of Inherent Structural Properties for Learning in Markov Decision Proces...
On the Importance of Inherent Structural Properties for Learning in Markov Decision Processes

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211152107
ISBN  
9798382741130
DDC  
519
저자명  
Adler, Saghar.
서명/저자  
On the Importance of Inherent Structural Properties for Learning in Markov Decision Processes
발행사항  
[Sl] : University of Michigan, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
158 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
주기사항  
Advisor: Subramanian, Vijay Gautam.
학위논문주기  
Thesis (Ph.D.)--University of Michigan, 2024.
초록/해제  
요약Recently, reinforcement learning methodologies have been applied to solve sequential decision-making problems in various fields, such as robotics and autonomous control, communication and networking, and resource allocation and scheduling. Despite great practical success, there has been less progress in developing theoretical performance guarantees for such complex systems. This dissertation aims to address the limitations of current theoretical frameworks and extend the applicability of learning-based control methods to more complex, real-life domains discussed above. This objective is achieved in two different settings using the inherent structural properties of the Markov decision processes used to model such systems. For admission control in systems modeled by the Erlang-B blocking model with unknown arrival and service rates, in the first setting, we use model knowledge to compensate for the lack of reward signals. Here, we propose a learning algorithm based on the self-tuning adaptive control and not only prove that our algorithm is asymptotically optimal but also provide finite-time regret guarantees. The second setting develops a framework to address the challenge of applying reinforcement learning methods to Markov decision processes with countably infinite state spaces and unbounded cost functions. An existing learning algorithm based on Thompson sampling with dynamically-sized episodes is extended to countably infinite state space using the ergodicity properties of Markov decision processes. We establish asymptotic optimality of our learning-based control policy by providing a sub-linear (in time-horizon) regret guarantee. Our framework is focused on models that arise in queueing system models of communication networks, computing systems, and processing networks. Hence, to demonstrate the applicability of our method, we also apply it to the problem of controlling two queueing systems with unknown dynamics.
일반주제명  
Applied mathematics
일반주제명  
Engineering
키워드  
Reinforcement learning
키워드  
Learning in queueing systems
키워드  
Markov decision processes
키워드  
Asymptotic optimality
기타저자  
University of Michigan Electrical and Computer Engineering
기본자료저록  
Dissertations Abstracts International. 85-12B.
전자적 위치 및 접속  
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MARC

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■0820  ▼a519
■1001  ▼aAdler,  Saghar.
■24510▼aOn  the  Importance  of  Inherent  Structural  Properties  for  Learning  in  Markov  Decision  Processes
■260    ▼a[Sl]▼bUniversity  of  Michigan▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a158  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-12,  Section:  B.
■500    ▼aAdvisor:  Subramanian,  Vijay  Gautam.
■5021  ▼aThesis  (Ph.D.)--University  of  Michigan,  2024.
■520    ▼aRecently,  reinforcement  learning  methodologies  have  been  applied  to  solve  sequential  decision-making  problems  in  various  fields,  such  as  robotics  and  autonomous  control,  communication  and  networking,  and  resource  allocation  and  scheduling.  Despite  great  practical  success,  there  has  been  less  progress  in  developing  theoretical  performance  guarantees  for  such  complex  systems.  This  dissertation  aims  to  address  the  limitations  of  current  theoretical  frameworks  and  extend  the  applicability  of  learning-based  control  methods  to  more  complex,  real-life  domains  discussed  above.  This  objective  is  achieved  in  two  different  settings  using  the  inherent  structural  properties  of  the  Markov  decision  processes  used  to  model  such  systems.  For  admission  control  in  systems  modeled  by  the  Erlang-B  blocking  model  with  unknown  arrival  and  service  rates,  in  the  first  setting,  we  use  model  knowledge  to  compensate  for  the  lack  of  reward  signals.  Here,  we  propose  a  learning  algorithm  based  on  the  self-tuning  adaptive  control  and  not  only  prove  that  our  algorithm  is  asymptotically  optimal  but  also  provide  finite-time  regret  guarantees.  The  second  setting  develops  a  framework  to  address  the  challenge  of  applying  reinforcement  learning  methods  to  Markov  decision  processes  with  countably  infinite  state  spaces  and  unbounded  cost  functions.  An  existing  learning  algorithm  based  on  Thompson  sampling  with  dynamically-sized  episodes  is  extended  to  countably  infinite  state  space  using  the  ergodicity  properties  of  Markov  decision  processes.  We  establish  asymptotic  optimality  of  our  learning-based  control  policy  by  providing  a  sub-linear  (in  time-horizon)  regret  guarantee.  Our  framework  is  focused  on  models  that  arise  in  queueing  system  models  of  communication  networks,  computing  systems,  and  processing  networks.  Hence,  to  demonstrate  the  applicability  of  our  method,  we  also  apply  it  to  the  problem  of  controlling  two  queueing  systems  with  unknown  dynamics.
■590    ▼aSchool  code:  0127.
■650  4▼aApplied  mathematics
■650  4▼aEngineering
■653    ▼aReinforcement  learning
■653    ▼aLearning  in  queueing  systems
■653    ▼aMarkov  decision  processes
■653    ▼aAsymptotic  optimality
■690    ▼a0537
■690    ▼a0800
■690    ▼a0364
■71020▼aUniversity  of  Michigan▼bElectrical  and  Computer  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g85-12B.
■790    ▼a0127
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17162876▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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