In the pendulum-test (PT), lower-leg support force(RSF:Residual Support Force) remains even after the PT begins, so unless this is taken into consideration, the evaluation value of reflexes will deteriorate. And, we proposed a method to approximate the residual tension as a function and incorporate it into the conventional PT model.
However, although the accuracy of the evaluation value is improved, the increase in estimated parameters may result in a local solution or increase the time required to converge to the optimal solution, making it impossible to stably obtain the evaluation value.
Therefore, in this paper, we propose a method to estimate only the parameters related to RSF from the knee joint angular acceleration waveform independently of other parameters. This method allows inverse simulation to be performed without increasing the number of estimated parameters, which makes it possible to develop a stable reflection evaluation method.
Research papers (academic journals)