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How to get GPS data from MTi-G-700 xsens driver over ROS

asked 2016-05-09 05:06:16 -0500

Abdallah sobehy gravatar image

I am using an MTi-G-700 motion tracker from xsens. According to xsens website they point to this ROS driver for reading data. I followed the instructions on that link, however when using rostopic echo for the published topics, I only get readings from mti/sensor/imu and mti/sensor/magnetic while the other topics are not advertising any data. I am interested mostly in the GPS data which is probably advertised on the topic mti/sensor/gnssPvt

Is there something I am missing to get the GPS data ?

Note: I have also tried other drivers mtig_driver, ethzasl_xsens_driver, lse_xsens_mti but I faced more problems with those.

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Did you try to use this driver : ?

moooeeeep gravatar image moooeeeep  ( 2018-01-24 03:30:57 -0500 )edit

Hey, well I have same question! any news on this?

r.ghahremani gravatar image r.ghahremani  ( 2018-11-05 02:13:40 -0500 )edit

@R.gharemani I put some points to try into an answer. Maybe it helps...

moooeeeep gravatar image moooeeeep  ( 2018-11-05 08:12:32 -0500 )edit

did you try "rosrun xsens_driver -m 2 -f 100" then try "rostopic echo /mti/sensor/gnssPvt", you should see GPS data now (don't forget to get outside of building to have GPS signal :p ).

r.ghahremani gravatar image r.ghahremani  ( 2018-11-15 00:42:58 -0500 )edit

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answered 2018-11-05 08:10:02 -0500

moooeeeep gravatar image

updated 2018-11-05 16:17:39 -0500

At least with the driver I previously used (this one), the GPS topics will not be published or even advertised when anything is wrong with the GPS signal or the device is just not configured to output GPS data. For example, you may want to try the the following things:

  • You need to plug in the GPS receiver.
  • You need to put the device outside (good satellite visibility for several minutes), such that the receiver can get a GPS fix.
  • You need to configure the device to produce GPS output, either using the Xsens MT SDK, or using the xsens_driver
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Just a minor correction: The configuration of the Xsens is done with the script rather than

Carl D gravatar image Carl D  ( 2018-11-05 11:15:25 -0500 )edit

@CarlD Thanks for the note!

moooeeeep gravatar image moooeeeep  ( 2018-11-05 11:17:46 -0500 )edit

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Asked: 2016-05-09 05:06:16 -0500

Seen: 1,237 times

Last updated: Nov 05 '18