PiCUS TMSO Manual
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Phase 2
- the data selection:
For this purpose, the TMSO.CU implements the procedure described above for combining
control and base sensors. The time stamp of the recorded events of each base sensor is
compared with the events of its associated control sensor (does not have to be on the same
tree). Only of matching events will the recorded measurement data then be transferred to the
control center and then to the cloud.
To be on the safe side, however, at least the 3 strongest events are always transmitted by
each sensor, even if there is no match with a control sensor.
3.6.2 Wind Response Measurement with Time Slices (WRMS)
Available via future firmware update.
The goal and raw data acquisition are the same as for WRM.
The difference lies in the selection of the relevant tilt events for the recording.
With WRM, events are detected and recorded solely on the basis of their amplitude (largest
inclination angle). As already described, each sensor can only record a limited number of
events per measuring cycle (limited event memory locations). This means that if during a
measurement cycle many strong events occur in a short time, then these are registered and
recorded by the sensors, whereas weaker events are classified as less relevant and ignored.
The recorded events will therefore accumulate within a narrow time range.
The WRMS, on the other hand, distributes the events more evenly over the entire
measurement cycle. For this purpose the measuring cycle is divided into individual time slots
of equal size. Each time window is now assigned one of the event storage locations. This will
record the strongest event that occurs in each time window.
The following graphic shows the same sequence of tilt events as above with the WRMS
selection procedure:
3.6.3 Construction Site Monitoring (CSM)
Available via future firmware update.
Figure 9 - Event selection according to WRMS, complete measurement cycle
