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Difference between revisions of "Human Vibration"
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The <math>A_h</math> is the RMS of the <math>W_h</math> weighted acceleration signal for hand-arms vibration measurement. | The <math>A_h</math> is the RMS of the <math>W_h</math> weighted acceleration signal for hand-arms vibration measurement. For each channel, the <math>A_h</math> and <math>A_h(T)</math> will be calculated. The <math>A_h(T)</math> is the Daily exposure value, defined as : <br><br> | ||
For each channel, the <math>A_h</math> and <math>A_h(T)</math> will be calculated. The <math>A_h(T)</math> is the Daily exposure value, defined as : <br><br> | |||
<math display="block" forcemathmode="5">A_h(T) = A_h*\sqrt{\frac{T_m}{T}}</math> <br> | <math display="block" forcemathmode="5">A_h(T) = A_h*\sqrt{\frac{T_m}{T}}</math> <br> | ||
With <math>T_m</math> the duration of the measurement and <math>T</math> the total exposure duration represented by the "Reference time" parameter. | With <math>T_m</math> the duration of the measurement and <math>T</math> the total exposure duration represented by the "Reference time" parameter.<br> | ||
If any sensor is defined, the total <math>A_h</math> and <math>A_h(T)</math> will be calculated for each sensor as a quadratic average of the three direction of the sensor : <br><br> | If any sensor is defined, the total <math>A_h</math> and <math>A_h(T)</math> will be calculated for each sensor as a quadratic average of the three direction of the sensor : <br><br> | ||
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With <math>T_m</math> the duration of the measurement and <math>T</math> the total exposure duration represented by the "Reference time" parameter, and <math>k_{X}=k_{Y}=k_{Z}=1</math> | With <math>T_m</math> the duration of the measurement and <math>T</math> the total exposure duration represented by the "Reference time" parameter, and <math>k_{X}=k_{Y}=k_{Z}=1</math> | ||
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======Peak====== | ======Peak====== | ||