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A design methodology for structural and control systems of a prosthetic leg

Title
A design methodology for structural and control systems of a prosthetic leg
Author
박경진
Keywords
Nonlinear dynamic response optimization; Co-design; Prosthetic leg; Optimal control; Structural optimization Equivalent static loads method
Issue Date
2018-08
Publisher
SPRINGER
Citation
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION, v. 58, No. 2, Page. 379-397
Abstract
A design methodology is proposed to optimize a prosthetic leg considering the structural and control aspects. Previous studies mainly focused on each of a structural design problem or a control problem. The structural design variables of a prosthetic leg are determined in a structural design problem while the trajectory tracking based on the human gait cycle is found to be a control problem. The two problems have been separately solved. However, they should be simultaneously considered to obtain a better design. Then the problem would be nonlinear dynamic response optimization of structural and control systems. An optimization method was recently developed for a linear system of structural and control design problems using the equivalent static loads (ESLs). In this study, a design methodology for the prosthetic leg is presented by expanding the equivalent static loads method (ESLM) to nonlinear dynamic systems. A simple example is solved to validate the proposed methodology, and then a prosthetic leg is optimized to reduce the weight and energy consumption.
URI
https://link.springer.com/article/10.1007%2Fs00158-018-2017-0https://repository.hanyang.ac.kr/handle/20.500.11754/121441
ISSN
1615-147X; 1615-1488
DOI
10.1007/s00158-018-2017-0
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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