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A Robotic Model of Transfemoral Amputee Locomotion for Design Optimization of Knee Controllers : Un modello robotico della locomozione di amputati transfemorali per la progettazione ottimizzata di controllori del ginocchio, in: International Journal of Advanced Robotic Systems |
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A Robotic Model of Transfemoral Amputee Locomotion for Design Optimization of Knee Controllers : Un modello robotico della locomozione di amputati transfemorali per la progettazione ottimizzata di controllori del ginocchio, in: International Journal of Advanced Robotic Systems
Open document
General information |
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| Author | Shandiz, Mohsen Akbari; Farahmand, Farzam; Osman, Noor Azuan Abu; Zohoor, Hassan |
| Published | InTech Open Access Publisher, 2013 |
| Edition | |
| Extend | |
| ISBN | |
| Abstract | A two‐dimensional, seven link, nine degrees of
freedom biped model was developed to investigate the dynamic characteristics of normal and transfemoral amputee locomotion during the entire gait cycle. The equations of motion were derived using the Lagrange method and the stance foot‐ground contact was simulated using a five‐point penetration model. The joint driving torques were obtained using forward dynamic optimization of the normal human gait and applied to the intact joints of the amputee. Three types of motion controllers; frictional, elastic and hydraulic were considered for the prosthetic joints of the amputee and their design parameters were optimized to achieve the closest kinematics to that of the normal gait. It was found that, if optimally designed, all three passive controllers could reasonably reproduce a normal kinematical pattern in the swing phase. However, the stance phase kinematics could only be replicated by the hydraulic and elastic controllers; the performance of the latter was highly sensitive to the design parameters. It was concluded that an appropriately designed hydraulic motion controller can provide reasonably normal kinematics and reliable stability for stance knee flexion prostheses. |
| Journal articles | ||
| 2000 and later |
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International Journal of Advanced Robotic Systems Author: Ottaviano, Erika; Ceccarelli, Marco; Husty, Manfred; Yu, Sung-Hoon; Kim, Yong-Tae; Park, Chang-Woo; Hyun, Chang-Ho; Chen, Xiulong; Feng, Weiming; Sun, Xianyang; Gao, Qing; Grigorescu, Sorin M.; Pozna, Claudiu; Liu, Wanli; Zhankui, Wang; Guo, Meng; Fu, Guoyu; Zhang, Jin; Chen, Wenyuan; Peng, Fengchao; Yang, Pei; Chen, Chunlin; Ding, Rui; Yu, Junzhi; Yang, Qinghai; Tan, Min; Polden, Joseph; Pan, [...] Published: 2004 |
| Documents: |
International Journal of Advanced Robotic Systems |
 Univ. Cassino |
 http://webuser.unicas.it/weblarm/larmindex.htm |
| Time of publication | 2013 | |
| License information |  This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License |
