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Toward Co-Adaptive Human-Exoskeleton Interaction
Toward Co-Adaptive Human-Exoskeleton Interaction
Toward Co-Adaptive Human-Exoskeleton Interaction

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105612
ISBN  
9798265427564
DDC  
000
저자명  
Lakmazaheri, Ava.
서명/저자  
Toward Co-Adaptive Human-Exoskeleton Interaction
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
109 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
주기사항  
Advisor: Collins, Steve.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Millions of people worldwide experience mobility challenges that can adversely affect their health and quality of life. Lower-limb exoskeletons have the potential to enhance mobility by acting in parallel with the body to help people walk farther, faster, and with less fatigue. Designing effective assistance is challenging, however, given the complex interplay of individual and contextual factors that guide movement. Current exoskeleton systems are limited in their ability to accommodate changing behaviors over time and for varied individuals. This dissertation presents three studies that explore how interaction with ankle exoskeletons can be made more responsive to the multifactorial and dynamic nature of human gait.In the first study, we evaluate the effectiveness of a multi-objective approach to personalizing exoskeleton assistance for older adults. Optimizing ankle assistance for both energy economy and self-selected walking speed yielded meaningful improvements in both measures. We observed agerelated effects on responses to exoskeletons, including slower motor learning that may limit the effectiveness of existing training paradigms with aging populations.These results motivated the dissertation's subsequent studies to examine how people adapt to exoskeletons and how that adaptation process can be enhanced through training. We analyzed gait changes between novice and expert exoskeleton users and identified consistent trends associated with the acquisition of stable motor skill. While some benefits presented quickly, greater improvements corresponded with people mitigating initial perturbations caused by the exoskeletons. This finding provided new insight into the motor processes that support effective exoskeleton adaptation. Building on this work, we developed a biofeedback-based training approach to accelerate exoskeleton mastery. Guiding novice users to modify their gait kinematics to reduce initial exoskeleton-induced perturbations enabled them to benefit more from assistance in less time. These findings demonstrate the promise of personalized training approaches to enhance exoskeleton use.Together, the studies in this dissertation advance the design of adaptive exoskeleton systems that account for both human performance goals and learning dynamics. We demonstrated meaningful improvements in exoskeleton personalization and training, underscoring the importance of designing for human-exoskeleton interaction. Continued efforts in this area have the potential to make exoskeletons more effective, intuitive, and desirable, ultimately enabling these technologies to better support people with diverse mobility needs in real-world settings.
일반주제명  
Ankle
일반주제명  
Gait
일반주제명  
Kinematics
일반주제명  
Aging
일반주제명  
Chronic illnesses
일반주제명  
Adaptation
일반주제명  
Biofeedback
일반주제명  
Metabolism
일반주제명  
Fitness equipment
일반주제명  
Older people
일반주제명  
Walking
일반주제명  
Muscle function
일반주제명  
Energy consumption
일반주제명  
Mann-Whitney U test
일반주제명  
Mobility
일반주제명  
Kinesiology
일반주제명  
Gerontology
일반주제명  
Medicine
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-05A.
전자적 위치 및 접속  
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MARC

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■24510▼aToward  Co-Adaptive  Human-Exoskeleton  Interaction
■260    ▼a[Sl]▼bStanford  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a109  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  A.
■500    ▼aAdvisor:  Collins,  Steve.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aMillions  of  people  worldwide  experience  mobility  challenges  that  can  adversely  affect  their  health  and  quality  of  life.  Lower-limb  exoskeletons  have  the  potential  to  enhance  mobility  by  acting  in  parallel  with  the  body  to  help  people  walk  farther,  faster,  and  with  less  fatigue.  Designing  effective  assistance  is  challenging,  however,  given  the  complex  interplay  of  individual  and  contextual  factors  that  guide  movement.  Current  exoskeleton  systems  are  limited  in  their  ability  to  accommodate  changing  behaviors  over  time  and  for  varied  individuals.  This  dissertation  presents  three  studies  that  explore  how  interaction  with  ankle  exoskeletons  can  be  made  more  responsive  to  the  multifactorial  and  dynamic  nature  of  human  gait.In  the  first  study,  we  evaluate  the  effectiveness  of  a  multi-objective  approach  to  personalizing  exoskeleton  assistance  for  older  adults.  Optimizing  ankle  assistance  for  both  energy  economy  and  self-selected  walking  speed  yielded  meaningful  improvements  in  both  measures.  We  observed  agerelated  effects  on  responses  to  exoskeletons,  including  slower  motor  learning  that  may  limit  the  effectiveness  of  existing  training  paradigms  with  aging  populations.These  results  motivated  the  dissertation's  subsequent  studies  to  examine  how  people  adapt  to  exoskeletons  and  how  that  adaptation  process  can  be  enhanced  through  training.  We  analyzed  gait  changes  between  novice  and  expert  exoskeleton  users  and  identified  consistent  trends  associated  with  the  acquisition  of  stable  motor  skill.  While  some  benefits  presented  quickly,  greater  improvements  corresponded  with  people  mitigating  initial  perturbations  caused  by  the  exoskeletons.  This  finding  provided  new  insight  into  the  motor  processes  that  support  effective  exoskeleton  adaptation.  Building  on  this  work,  we  developed  a  biofeedback-based  training  approach  to  accelerate  exoskeleton  mastery.  Guiding  novice  users  to  modify  their  gait  kinematics  to  reduce  initial  exoskeleton-induced  perturbations  enabled  them  to  benefit  more  from  assistance  in  less  time.  These  findings  demonstrate  the  promise  of  personalized  training  approaches  to  enhance  exoskeleton  use.Together,  the  studies  in  this  dissertation  advance  the  design  of  adaptive  exoskeleton  systems  that  account  for  both  human  performance  goals  and  learning  dynamics.  We  demonstrated  meaningful  improvements  in  exoskeleton  personalization  and  training,  underscoring  the  importance  of  designing  for  human-exoskeleton  interaction.  Continued  efforts  in  this  area  have  the  potential  to  make  exoskeletons  more  effective,  intuitive,  and  desirable,  ultimately  enabling  these  technologies  to  better  support  people  with  diverse  mobility  needs  in  real-world  settings.
■590    ▼aSchool  code:  0212.
■650  4▼aAnkle
■650  4▼aGait
■650  4▼aKinematics
■650  4▼aAging
■650  4▼aChronic  illnesses
■650  4▼aAdaptation
■650  4▼aBiofeedback
■650  4▼aMetabolism
■650  4▼aFitness  equipment
■650  4▼aOlder  people
■650  4▼aWalking
■650  4▼aMuscle  function
■650  4▼aEnergy  consumption
■650  4▼aMann-Whitney  U  test
■650  4▼aMobility
■650  4▼aKinesiology
■650  4▼aGerontology
■650  4▼aMedicine
■690    ▼a0493
■690    ▼a0575
■690    ▼a0351
■690    ▼a0564
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-05A.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360737▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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