서브메뉴
검색
Towards a Fall-Tolerant Framework for Bipedal Robots.
Towards a Fall-Tolerant Framework for Bipedal Robots.
상세정보
- 자료유형
- 학위논문
- Control Number
- 0017162763
- International Standard Book Number
- 9798382738284
- Dewey Decimal Classification Number
- 621.3
- Main Entry-Personal Name
- Mungai, Margaret Eva Wangari.
- Publication, Distribution, etc. (Imprint
- [S.l.] : University of Michigan., 2024
- Publication, Distribution, etc. (Imprint
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- Physical Description
- 216 p.
- General Note
- Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
- General Note
- Advisor: Grizzle, Jessy.
- Dissertation Note
- Thesis (Ph.D.)--University of Michigan, 2024.
- Summary, Etc.
- 요약This dissertation focuses on developing a fall-tolerant framework for bipedal robots, aiming to enhance their ability to navigate challenging situations by effectively assessing, adapting, and responding to uncertainties and disturbances. Bipedal robots, with their unique capability to navigate diverse terrains and restore mobility, are ideal for assisting in critical and day-to-day tasks. However, their real-world deployment is limited due to factors like high-dimensional complex dynamics and a smaller support polygon, making it difficult to achieve stable motion, especially in the face of disturbances and uncertainties. To address these limitations, the dissertation develops robust controllers and reliable fall prediction algorithms. Feedback controllers have been used in the literature to ensure robustness against disturbances and uncertainties. However, the infeasibility of accounting for all disturbances and uncertainties during real-world operations makes falls inevitable. Falls are undesirable as they can prevent a robot from completing its task, result in damage to the surrounding area, or lead to injuries. Therefore, the dissertation emphasizes the importance of implementing robust controllers and employing methods to predict falls.This research begins by introducing a systematic method to design control objectives for highly constrained systems and concludes by presenting a 1D convolutional neural network fall prediction algorithm capable of not only predicting falls but also estimating the time to react. The effectiveness of the control objectives is demonstrated through robust, comfortable closed-loop sit-to-stand motions for a fully actuated lower-limb exoskeleton, Atalante. The performance of the proposed fall prediction algorithms is evaluated in simulation using a planar-four link robot based on Atalante and in hardware and simulation for the bipedal robot Digit.
- Subject Added Entry-Topical Term
- Electrical engineering.
- Subject Added Entry-Topical Term
- Mechanical engineering.
- Subject Added Entry-Topical Term
- Robotics.
- Subject Added Entry-Topical Term
- Computer engineering.
- Index Term-Uncontrolled
- Feedback control
- Index Term-Uncontrolled
- Fall prediction
- Index Term-Uncontrolled
- Bipedal robots
- Index Term-Uncontrolled
- Humanoids
- Index Term-Uncontrolled
- Exoskeletons
- Index Term-Uncontrolled
- Machine learning
- Index Term-Uncontrolled
- Trajectory optimization
- Added Entry-Corporate Name
- University of Michigan Mechanical Engineering
- Host Item Entry
- Dissertations Abstracts International. 85-12B.
- Electronic Location and Access
- 로그인을 한후 보실 수 있는 자료입니다.
- Control Number
- joongbu:657797
MARC
008250224s2024 us ||||||||||||||c||eng d■001000017162763
■00520250211152052
■006m o d
■007cr#unu||||||||
■020 ▼a9798382738284
■035 ▼a(MiAaPQ)AAI31348866
■035 ▼a(MiAaPQ)umichrackham005484
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a621.3
■1001 ▼aMungai, Margaret Eva Wangari.
■24510▼aTowards a Fall-Tolerant Framework for Bipedal Robots.
■260 ▼a[S.l.]▼bUniversity of Michigan. ▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a216 p.
■500 ▼aSource: Dissertations Abstracts International, Volume: 85-12, Section: B.
■500 ▼aAdvisor: Grizzle, Jessy.
■5021 ▼aThesis (Ph.D.)--University of Michigan, 2024.
■520 ▼aThis dissertation focuses on developing a fall-tolerant framework for bipedal robots, aiming to enhance their ability to navigate challenging situations by effectively assessing, adapting, and responding to uncertainties and disturbances. Bipedal robots, with their unique capability to navigate diverse terrains and restore mobility, are ideal for assisting in critical and day-to-day tasks. However, their real-world deployment is limited due to factors like high-dimensional complex dynamics and a smaller support polygon, making it difficult to achieve stable motion, especially in the face of disturbances and uncertainties. To address these limitations, the dissertation develops robust controllers and reliable fall prediction algorithms. Feedback controllers have been used in the literature to ensure robustness against disturbances and uncertainties. However, the infeasibility of accounting for all disturbances and uncertainties during real-world operations makes falls inevitable. Falls are undesirable as they can prevent a robot from completing its task, result in damage to the surrounding area, or lead to injuries. Therefore, the dissertation emphasizes the importance of implementing robust controllers and employing methods to predict falls.This research begins by introducing a systematic method to design control objectives for highly constrained systems and concludes by presenting a 1D convolutional neural network fall prediction algorithm capable of not only predicting falls but also estimating the time to react. The effectiveness of the control objectives is demonstrated through robust, comfortable closed-loop sit-to-stand motions for a fully actuated lower-limb exoskeleton, Atalante. The performance of the proposed fall prediction algorithms is evaluated in simulation using a planar-four link robot based on Atalante and in hardware and simulation for the bipedal robot Digit.
■590 ▼aSchool code: 0127.
■650 4▼aElectrical engineering.
■650 4▼aMechanical engineering.
■650 4▼aRobotics.
■650 4▼aComputer engineering.
■653 ▼aFeedback control
■653 ▼aFall prediction
■653 ▼aBipedal robots
■653 ▼aHumanoids
■653 ▼aExoskeletons
■653 ▼aMachine learning
■653 ▼aTrajectory optimization
■690 ▼a0771
■690 ▼a0548
■690 ▼a0544
■690 ▼a0464
■690 ▼a0800
■71020▼aUniversity of Michigan▼bMechanical 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=T17162763▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
미리보기
내보내기
chatGPT토론
Ai 추천 관련 도서
detalle info
- Reserva
- 캠퍼스간 도서대출
- 서가에 없는 책 신고
- Mi carpeta