作者
Darryl G Thelen, Frank C Anderson, Scott L Delp
发表日期
2003/3/1
期刊
Journal of biomechanics
卷号
36
期号
3
页码范围
321-328
出版商
Elsevier
简介
Computation of muscle excitation patterns that produce coordinated movements of muscle-actuated dynamic models is an important and challenging problem. Using dynamic optimization to compute excitation patterns comes at a large computational cost, which has limited the use of muscle-actuated simulations. This paper introduces a new algorithm, which we call computed muscle control, that uses static optimization along with feedforward and feedback controls to drive the kinematic trajectory of a musculoskeletal model toward a set of desired kinematics. We illustrate the algorithm by computing a set of muscle excitations that drive a 30-muscle, 3-degree-of-freedom model of pedaling to track measured pedaling kinematics and forces. Only 10min of computer time were required to compute muscle excitations that reproduced the measured pedaling dynamics, which is over two orders of magnitude faster than …
引用总数
学术搜索中的文章
DG Thelen, FC Anderson, SL Delp - Journal of biomechanics, 2003