Online - Computation - GNSS - Simplification for cascading the position source

Description

Use Case:

We have multiple GNSS systems and want to be able to use the GNSS supplying the best result.


This would mean that we would need to make 9 computations

In the picture below we did this for 2 GNSS systems and which resulted in 6 computation, which becomes quite complex for a user

Suggested Improvement

Add the option the support Cascading Positioning Systems within a computation where just 1 positioning system is used as result to trigger the computation.

 

 

NOTE:
You can enable all GNSS systems in a single computation which will give you the least squared adjusted result:

This will make it partly possible and will reduce the number of computations.

  • Notes

    • You need to make sure that your GNSS systems are outputting the SD values and that you have set the thresholds per system.

    • Node positions of the GNSS systems need to be properly measured with good Dimension Control (DimCom).

    • The SD's of the nodes within the object/vessel frame need to be set accordingly (a bit wider/bigger) to get this working properly with possible flex within the object/vessel structure.  

    • Set all the GNSS systems to update at the same rate or use the slowest updating GNSS as triggering system.

    • When the GNSS, selected as Triggering system, is not outputting data (turned off) the computation will not be triggered.

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Details

Area/FunctionalityQI

Created February 7, 2022 at 10:53 AM
Updated February 10, 2024 at 2:13 PM