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Multi-Robot Task and Motion Planning in Hybrid State Spaces
Multi-Robot Task and Motion Planning in Hybrid State Spaces
Multi-Robot Task and Motion Planning in Hybrid State Spaces

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260209102846
ISBN  
9798291562550
DDC  
004
저자명  
Motes, James.
서명/저자  
Multi-Robot Task and Motion Planning in Hybrid State Spaces
발행사항  
[Sl] : University of Illinois at Urbana-Champaign, 2023
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2023
형태사항  
130 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-03, Section: B.
주기사항  
Advisor: Amato, Nancy M.
학위논문주기  
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2023.
초록/해제  
요약The use of autonomous multi-robot systems is rapidly increasing. Utilizing these systems requires the ability to quickly generate plans for large numbers of robots and to handle highly coordinated interactions between robots. Current methods consist of either decoupled or composite approaches. Decoupled approaches are able to quickly find plans for large numbers of robot but struggle when high levels of coordination are required. Composite approaches are capable of planning highly coordinated actions but are computationally expensive.This research aims to develop hybrid planning techniques which leverage the strengths of both approaches while avoiding their drawbacks. These hybrid approaches adapt the planning method to the local level of coordination in the problem by starting with decoupled techniques and then deciding when to employ the more expensive coordinated composite techniques.We present a general framework for multi-robot planning which generalizes decoupled, composite, and hybrid planning approaches. This framework utilizes a novel hypergraph- based representation for modeling this formulation of the planning space. We develop several search variants for this representation and discuss the theoretical properties of different representation and search design choices.We apply this framework to multi-robot motion planning (MRMP), multi-manipulator rearrangement, and multi-robot task allocation (MRTA), presenting new methods for each of these problem domains. In the MRMP problem, we demonstrate the ability to adapt the local level of coordination to the problem, finding higher quality solutions than both decoupled and composite approaches, often in less time. In the multi-manipulator rearrangement problem, we demonstrate up to three orders of magnitude faster planning times than relevant methods while successfully planning for up to 20 objects. In the MRTA problem, we successfully plan for twice as many tasks as comparable methods while achieving up to an order of magnitude improvement in planning times. Additionally, we lay the groundwork for the parallelization of multi-robot planning and present a new parallel multi-agent pathfinding algorithm.
일반주제명  
Computer science
일반주제명  
Robotics
키워드  
Multi-robot systems
키워드  
Task and motion planning
키워드  
Hybrid planning techniques
기타저자  
University of Illinois at Urbana-Champaign Computer Science
기본자료저록  
Dissertations Abstracts International. 87-03B.
전자적 위치 및 접속  
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MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a004
■1001  ▼aMotes,  James.
■24510▼aMulti-Robot  Task  and  Motion  Planning  in  Hybrid  State  Spaces
■260    ▼a[Sl]▼bUniversity  of  Illinois  at  Urbana-Champaign▼c2023
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
■300    ▼a130  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-03,  Section:  B.
■500    ▼aAdvisor:  Amato,  Nancy  M.
■5021  ▼aThesis  (Ph.D.)--University  of  Illinois  at  Urbana-Champaign,  2023.
■520    ▼aThe  use  of  autonomous  multi-robot  systems  is  rapidly  increasing.  Utilizing  these  systems  requires  the  ability  to  quickly  generate  plans  for  large  numbers  of  robots  and  to  handle  highly  coordinated  interactions  between  robots.  Current  methods  consist  of  either  decoupled  or  composite  approaches.  Decoupled  approaches  are  able  to  quickly  find  plans  for  large  numbers  of  robot  but  struggle  when  high  levels  of  coordination  are  required.  Composite  approaches  are  capable  of  planning  highly  coordinated  actions  but  are  computationally  expensive.This  research  aims  to  develop  hybrid  planning  techniques  which  leverage  the  strengths  of  both  approaches  while  avoiding  their  drawbacks.  These  hybrid  approaches  adapt  the  planning  method  to  the  local  level  of  coordination  in  the  problem  by  starting  with  decoupled  techniques  and  then  deciding  when  to  employ  the  more  expensive  coordinated  composite  techniques.We  present  a  general  framework  for  multi-robot  planning  which  generalizes  decoupled,  composite,  and  hybrid  planning  approaches.  This  framework  utilizes  a  novel  hypergraph-  based  representation  for  modeling  this  formulation  of  the  planning  space.  We  develop  several  search  variants  for  this  representation  and  discuss  the  theoretical  properties  of  different  representation  and  search  design  choices.We  apply  this  framework  to  multi-robot  motion  planning  (MRMP),  multi-manipulator  rearrangement,  and  multi-robot  task  allocation  (MRTA),  presenting  new  methods  for  each  of  these  problem  domains.  In  the  MRMP  problem,  we  demonstrate  the  ability  to  adapt  the  local  level  of  coordination  to  the  problem,  finding  higher  quality  solutions  than  both  decoupled  and  composite  approaches,  often  in  less  time.  In  the  multi-manipulator  rearrangement  problem,  we  demonstrate  up  to  three  orders  of  magnitude  faster  planning  times  than  relevant  methods  while  successfully  planning  for  up  to  20  objects.  In  the  MRTA  problem,  we  successfully  plan  for  twice  as  many  tasks  as  comparable  methods  while  achieving  up  to  an  order  of  magnitude  improvement  in  planning  times.  Additionally,  we  lay  the  groundwork  for  the  parallelization  of  multi-robot  planning  and  present  a  new  parallel  multi-agent  pathfinding  algorithm.
■590    ▼aSchool  code:  0090.
■650  4▼aComputer  science
■650  4▼aRobotics
■653    ▼aMulti-robot  systems
■653    ▼aTask  and  motion  planning
■653    ▼aHybrid  planning  techniques
■690    ▼a0984
■690    ▼a0800
■690    ▼a0771
■71020▼aUniversity  of  Illinois  at  Urbana-Champaign▼bComputer  Science.
■7730  ▼tDissertations  Abstracts  International▼g87-03B.
■790    ▼a0090
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17365879▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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