Design and performance analysis of the 4UPS-RRR parallel ankle rehabilitation mechanism
Abstract Ankle sprains are among the most common musculoskeletal injuries. Patients often require systematic rehabilitation training to expedite tissue healing and facilitate joint recovery. However, such training places high demands on medical staff, involves a lengthy process, requires considerable labor, and suffers from a shortage of skilled rehabilitation personnel. To address the need for effective ankle joint dysfunction rehabilitation training, this study analyzes the bone structure and movement mechanism of the ankle. Drawing on the parallel mechanism configuration, we propose a 4UPS-RRR parallel ankle rehabilitation mechanism. The rotation center of the rehabilitation mechanism can be highly coincident with the rotation center of the human ankle joint. The structure and degrees of freedom of the mechanism were designed and analyzed using screw theory. Additionally, a kinematic model of the mechanism was established. The mechanism's workspace was mapped by constraining the linear actuator length and spherical joint rotation angle. Furthermore, the mechanism's dexterity was assessed through the establishment of its Jacobian matrix, with the correctness of the kinematic model verified through simulation. Finally, an experimental platform was utilized to test the maximum range of robot motion, confirming the practicality of the ankle rehabilitation mechanism.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Design and performance analysis of the 4UPS-RRR parallel ankle rehabilitation mechanism ; volume:15 ; number:2 ; year:2024 ; pages:417-430 ; extent:14
Mechanical sciences ; 15, Heft 2 (2024), 417-430 (gesamt 14)
- Urheber
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Shi, Kan
Wang, Zongjia
Yan, Changtao
Wang, Zhiwei
- DOI
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10.5194/ms-15-417-2024
- URN
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urn:nbn:de:101:1-2408061131517.650304728620
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:45 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Shi, Kan
- Wang, Zongjia
- Yan, Changtao
- Wang, Zhiwei
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