[FOSS-GPS] Development of monitoring system with GNSS/accelerometers data fusion

[sergio_santos]

Greetings to all.

I’m working in a project that aims to develop a monitoring system of
structures, such as bridges, using GNSS data integrated with other sensors
data (in particular accelerometers). More specifically, the objective is to
implement a high precision relative positioning system that allows to detect
movements in the order of millimeters.  The idea would be to build this
system upon pre-developed GNSS algorithms, to avoid wasting time
“reinventing the wheel”.

I’ve been trying to use GPStk but I haven’t been very successful when I
tried to use code and phase combinations and double differences methods.
Despite the available online reference manual with description of classes
and examples, the GPStk discussion forums have been quite inactive. Also,
the majority of projects using GPStk in last years that I’ve seen have been
mainly focused in PPP. Very few articles (if not none) explore relative
positioning applications.

So, I was now thinking on the possibility of using RTKlib. I was expecting
to explore the source code and eventually tweak it a little bit in order to
try to adapt it to integrate GNSS data with other sensors data
(accelerometers), which I think it’s still not possible in current version
of RTKlib (or is it?).  
I would appreciate a lot to hear the opinion of anyone about the possibility
of making extensions within RTKlib and if my intents are possible.

Many thanks. Best regards,

Sérgio Santos    




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