Built In Parameter Terms

Tendon Slack Length

To allow tendon slack length to be optimized, include the following settings for the muscles of interest.

<model_functions>applyTendonSlackLengthParameter</model_functions>
<RCNLParameterTermSet>
  <RCNLParameterTerm>
    <type>tendon_slack_length</type>
    <!-- OpenSim muscle name ex. addbrev_r, psoas_r -->
    <muscle></muscle>
    <!-- set in Meters -->
    <initial_values></initial_values>
    <!-- set in Meters -->
    <upper_bounds></upper_bounds>
    <!-- set in Meters -->
    <lower_bounds></lower_bounds>
    <!-- true or false -->
    <is_enabled>true</is_enabled>
  </RCNLParameterTerm>
</RCNLParameterTermSet>

Max Isometric Force

To allow max isometric force to be optimized, include the following settings for the muscles of interest.

<model_functions>applyMaxIsometricForceParameter</model_functions>
<RCNLParameterTermSet>
  <RCNLParameterTerm>
    <type>max_isometric_force</type>
    <!-- OpenSim muscle name ex. addbrev_r, psoas_r -->
    <muscle></muscle>
    <!-- set in Newtons -->
    <initial_values></initial_values>
    <!-- set in Newtons -->
    <upper_bounds></upper_bounds>
    <!-- set in Newtons -->
    <lower_bounds></lower_bounds>
    <!-- true or false -->
    <is_enabled></is_enabled>
  </RCNLParameterTerm>
</RCNLParameterTermSet>

Optimal Fiber Length

To allow optimal fiber length to be optimized, include the following settings for the muscles of interest.

<model_functions>applyOptimalFiberLengthParameter</model_functions>
<RCNLParameterTermSet>
  <RCNLParameterTerm>
    <type>optimal_fiber_length</type>
    <!-- OpenSim muscle name ex. addbrev_r, psoas_r -->
    <muscle></muscle>
    <!-- set in Meters -->
    <initial_values></initial_values>
    <!-- set in Meters -->
    <upper_bounds></upper_bounds>
    <!-- set in Meters -->
    <lower_bounds></lower_bounds>
    <!-- true or false -->
    <is_enabled></is_enabled>
  </RCNLParameterTerm>
</RCNLParameterTermSet>

Belt Speed

To allow the optimization of belt speed, include the following settings.

<model_functions>applyBeltSpeedParameter</model_functions>
<RCNLParameterTermSet>
  <RCNLParameterTerm>
    <type>belt_speed</type>
    <!-- true or false -->
    <is_left_foot>true</is_left_foot>
    <!-- set in m/s -->
    <initial_values></initial_values>
    <!-- set in m/s -->
    <upper_bounds></upper_bounds>
    <!-- set in m/s -->
    <lower_bounds></lower_bounds>
    <!-- true or false -->
    <is_enabled></is_enabled>
  </RCNLParameterTerm>
</RCNLParameterTermSet>