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シミュレーションを用いた筋力不足による座位から立位への適応とそれを補完する補助軌道の予測
https://doi.org/10.18997/00008960
https://doi.org/10.18997/00008960b994e468-0f9f-44ea-a28c-1412360323a6
名前 / ファイル | ライセンス | アクション |
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sei_k_442.pdf (11.2 MB)
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Item type | 学位論文 = Thesis or Dissertation(1) | |||||||
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公開日 | 2022-08-18 | |||||||
資源タイプ | ||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||
資源タイプ | doctoral thesis | |||||||
タイトル | ||||||||
言語 | en | |||||||
タイトル | Predicting Sit-to-Stand Adaptations Due to Muscle Strength Deficits and Assistance Trajectories to Complement Them Using Simulations | |||||||
タイトル | ||||||||
言語 | ja | |||||||
タイトル | シミュレーションを用いた筋力不足による座位から立位への適応とそれを補完する補助軌道の予測 | |||||||
言語 | ||||||||
言語 | eng | |||||||
著者 |
Kumar, Vinay
× Kumar, Vinay
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抄録 | ||||||||
内容記述タイプ | Abstract | |||||||
内容記述 | Sit-to-stand (STS) transition is one of the most bio-mechanically challenging task necessary for performing activities of daily life. With muscle strength being the most dominant, many co-occurring factors influence how individuals perform STS. This work investigated the STS changes and the STS failure caused by muscle strength deficits using the trajectories generated employing open-loop single shooting optimization and musculoskeletal models. It also presents the external assistance trajectories that can complement strength deficits for successful STS transition using the same framework. The muscle strength deficits were introduced by simultaneously scaling the maximum isometric strength of muscles in steps of 20%. The optimization could generate successful STS transition for models with up to 60% strength deficits. The joint angle, muscle activation and ground reaction force trajectories for the 0% strength deficit model’s STS transition agree with those experimentally observed for a healthy adult. Comparison of different strength deficit trajectories shows that when the vasti muscle gets saturated, the activation of antagonistic hamstrings muscles reduces to relieve it. The reduction in hamstring muscle activation subsequently increases the load on the gluteus maximus muscle. This adaptation and the motion tracking results are used to suggest the vastus muscle weakness to be responsible for STS breakdown. Finally, the successful STS trajectory generated for the externally assisted 80% strength deficit model is presented. The trajectory features utilization of external assistance as and when needed to complement strength deficits for successful STS transition. Our results will help plan intervention and design novel STS assistance devices. | |||||||
言語 | en | |||||||
目次 | ||||||||
内容記述タイプ | TableOfContents | |||||||
内容記述 | 1 Introduction||2 Human Model||3 Optimization Framework||4 Analysis Tools||5 Results||6 Conclusion | |||||||
備考 | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | 九州工業大学博士学位論文 学位記番号:生工博甲第442号 学位授与年月日:令和4年6月27日 | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Sit-To-Stand | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Musculoskeletal Model | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Strength Deficit | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Single Shooting Optimization | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Open Loop Controller | |||||||
キーワード | ||||||||
主題Scheme | Other | |||||||
主題 | Assist-As-Needed | |||||||
アドバイザー | ||||||||
柴田, 智広 | ||||||||
学位授与番号 | ||||||||
学位授与番号 | 甲第442号 | |||||||
学位名 | ||||||||
学位名 | 博士(情報工学) | |||||||
学位授与年月日 | ||||||||
学位授与年月日 | 2022-06-27 | |||||||
学位授与機関 | ||||||||
学位授与機関識別子Scheme | kakenhi | |||||||
学位授与機関識別子 | 17104 | |||||||
学位授与機関名 | 九州工業大学 | |||||||
学位授与年度 | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | 令和4年度 | |||||||
出版タイプ | ||||||||
出版タイプ | VoR | |||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||
アクセス権 | ||||||||
アクセス権 | open access | |||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||
ID登録 | ||||||||
ID登録 | 10.18997/00008960 | |||||||
ID登録タイプ | JaLC |