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Difference between revisions of "Human Vibration"
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This is a post analysis toolkit, operating alongside NVGate after the recording of the signal and will help you to calculate time-weighted signal of acceleration and specific indicators both defined in the standards.<br> | This is a post analysis toolkit, operating alongside NVGate after the recording of the signal and will help you to calculate time-weighted signal of acceleration and specific indicators both defined in the standards.<br> | ||
<br> | <br> | ||
[[Image:OROS_BodyVib.png|400px|none]] | |||
'''Standards compatible''': international standards about whole/body vibration including: ISO 5349, ISO 8041, ISO 2631-1 and ISO 2631-5.<br> | |||
'''Whole/body Vibration Indicators include ''': VDV, MSDV, MTVV, Weighted raw, al(ISO 2631-5), D(ISO 2631-5) are available. RMS, Peak, Crest, peak-Peak, are also available in NVGate plug in. | |||
{| class="wikitable" style="margin: auto;" | |||
|+style="caption-side:bottom;"|''Body vibration indicators'' | |||
|- | |||
|style="height:30px; width:100px;"|<math>MTVV</math> | |||
|Maximum Transient Vibration Value, represent the maximal RMS value of the signal | |||
|- | |||
|style="height:30px; width:100px;"|<math>VDV</math> | |||
|Vibration Dose Value, taking into account the temporal shocks in the signal | |||
|- | |||
|style="height:30px; width:100px;"|<math>MSDV</math> | |||
|Motion Sickness Dose Value, representing the comfort in transportation measurement | |||
|- | |||
|style="height:30px; width:100px;"|<math>D_k</math> | |||
|The Acceleration Dose, representing the effect of the vibration on the spine | |||
|- | |||
|style="height:30px; width:100px;"|<math>A_w</math> | |||
|Daily maximal exposure value (Calculated from Post processing in NVGate) | |||
|- | |||
|style="height:30px; width:100px;"|<math>Peak</math> | |||
|Amplitude Peak of the vibration; maximal amplitude of the signal from the 0 (Calculated from Post processing in NVGate) | |||
|- | |||
|style="height:30px; width:100px;"|<math>Crest factor</math> | |||
|Ratio between the Peak level and the RMS of the weighted signal(Calculated from Post processing in NVGate) | |||
|} | |||
'''Signal filtering including''': | |||
{| class="wikitable" style="margin: auto;" | |||
|+style="caption-side:bottom;"|''Time-weighting filters'' | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_k</math> | |||
|Time weighting for the Z axis for whole-body measurement (ISO 2651-1) | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_d</math> | |||
|Time weighting for the X and Y axis for whole-body measurement (ISO 2651-1) | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_h</math> | |||
|Time weighting for the hand-arms measurement in any direction (ISO 5349-1) | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_f</math> | |||
|Time weighting for motion sickness measurement in the vertical direction (ISO 2651-1) | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_c</math> | |||
|Time weighting for the X axis for whole-body measurement (ISO 2651-1) | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_e</math> | |||
|Time weighting for all rotational directions for whole-body measurement (ISO 2651-1) | |||
|- | |||
|style="height:30px; width:100px;"|<math>W_j</math> | |||
|Time weighting for the Z axis for head comfort measurement (ISO 2651-1) | |||
|} | |||
==Download & install== | ==Download & install== | ||
Download the program here (version from 03/12/2020) : | Download the program here (version from 03/12/2020) : | ||