Questions tagged [gnss]
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Nav_sat_transfor_node dual-EKF causes serious jumping in map frame
I have a differential robot with poor grip as you can see in the picture below, with the following devices:
-Motor controller - 100Hz, encoder and publishing in my topic /diff_cont/odom (frame id: ...
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High frequency robot-localization output when fusing GNSS + IMU
I'm in the process of tuning a robot-localization package parameters in my sensor-fusion ROS2 package.
I have a dataset from various sensors mounted on a vehicle (IMU, GNSS, Lidar, Rgb Cameras, Radar, ...
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Using Here3+ for GNSS information, missing documentation?
The Here3+ is a GNSS receiver often used by drones, specifically the pixhawk. I wanted to use this receiver in my own project for geopositioning, I am however completely unable to find any ...
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How to transform given latitude and longitude data to map frame
I am working with a multi sensor RTK-GNSS for localization of my robot.
This is the data I am getting from the GNSS system.
How to relate this data to my robot map frame for navigation?
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Convert ECEF Velocity to NED Velocity
My GNSS modules gives me one NMEA packet with ECEF velocity. My doubt is about how i convert these 3 vectors to NED frame. Can i use the conventional matrix rotation MathWorksRef. If yes, i use the ...
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GNSS Dead Reckoning -- Sensor Fusion Filter not necessary?
My question might be a bit off-topic but I don't know where else to ask.
When I do have a GNSS Module with integrated IMU and <...
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Sensor fusion of GNSS and IMU using UKF
I do have a land-based robot with an IMU and a GNSS receiver.
From the IMU, I get the velocity and acceleration in both $x$ and $y$ directions.
From the GNSS receiver, I get the latitude and ...
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Confused about time systems in ephemeris computation (from GPS subframes)
I am using the gnss-sdr library to compute ephemeris from the GPS message, and to try to make sense of things, I am reading the well-known IS-GPS-200E specification. To compute ephemeris, the time ...
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All-in-one GNSS localization solution (hardware+software) [closed]
Is there something like an all-in-one satellite based localization solution that would contain both hardware and software to do GNSS localization for robotics? I mean a package that would also contain ...
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