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Fix the effective time constant function of muscle

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Beanpow
2023-06-02 16:53:32 +08:00
parent 8efb04eb79
commit 39b744b231
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doc/modeling.rst
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@@ -772,7 +772,7 @@ are two time constants specified with the attribute timeconst, namely :math:`\te
<https://doi.org/10.1115/1.4023390>`__, the effective time constant :math:`\tau` is then computed at runtime as: <https://doi.org/10.1115/1.4023390>`__, the effective time constant :math:`\tau` is then computed at runtime as:
.. math:: .. math::
\tau(\texttt{ctrl}-\texttt{act}) = \tau(\texttt{ctrl}, \texttt{act}) =
\begin{cases} \begin{cases}
\tau_\text{act} \cdot (0.5 + 1.5\cdot\texttt{act}) & \texttt{ctrl}-\texttt{act} \gt 0 \\ \tau_\text{act} \cdot (0.5 + 1.5\cdot\texttt{act}) & \texttt{ctrl}-\texttt{act} \gt 0 \\
\tau_\text{deact} / (0.5 + 1.5\cdot\texttt{act}) & \texttt{ctrl} - \texttt{act} \leq 0 \tau_\text{deact} / (0.5 + 1.5\cdot\texttt{act}) & \texttt{ctrl} - \texttt{act} \leq 0