ref:muscle_measure

MuscleMeasure

Measure for penalizing specific muscle quantities.

Penalties can be based on muscle input, activation, length and velocity. Example:

MuscleMeasure {
    muscle = gastroc
    activation { max = 0 squared_penalty = 1 } # penalize squared activation
    length { max = 1 abs_penalty = 1 } # Penalize when ( length > optimized fiber length )
}

Inherits from Measure.

Parameter Type Description
muscle Muscle & Muscle to which to apply the penalty to.
input RangePenalty< Real > Penalty for when the muscle input [0..1] is out of range.
activation RangePenalty< Real > Penalty for when the normalized muscle activation [0..1] is out of range.
length RangePenalty< Real > Penalty for when the normalized muscle length [L_opt] is out of range.
velocity RangePenalty< Real > Penalty for when the normalized muscle contraction velocity [L_opt/s] is out of range.
force RangePenalty< Real > Penalty for when the normalized muscle force [N/max_isometric_force] is out of range.
name String Name of the Measure, to be used in reporting; defaults to measure type.
weight Real Weighting factor applied to the result of the measure; default = 1.
threshold Real Threshold above / below which the measure becomes zero; default = 0.
threshold_transition Real Transition range above threshold between which the measure linearly decreases to zero; default = 0.
result_offset Real Offset added to measure result; default = 0.
minimize bool Indicate whether this measure should be minimized; default value depends on the measure type (usually true).
start_time TimeInSeconds Time [s] at which Controller becomes active; default = 0.
stop_time TimeInSeconds Time [s] at which Controller becomes inactive; default = until simulation ends.
signature_prefix String Prefix signature with custom string. Special tags: DATE_TIME, DATE_TIME_EXACT, SCONE_VERSION.
signature_postfix String Append custom string to signature. Special tags: DATE_TIME, DATE_TIME_EXACT, SCONE_VERSION.
signature String Set custom signature and omit the auto-generated signature.

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