The Xsens Vision Navigator is a high-end sensor fusion solution that provides real-time high-accuracy pose information in all scenarios, including GNSS degraded and denied environments.
The system includes two multi-frequency Real-Time Kinematics (RTK) GNSS receivers for instant heading calculation after initialization, an embedded camera and an Inertial Measurement Unit (IMU) to provide continuous high-accuracy positioning even in extended GNSS outages.
The system can also receive information from additional auxiliary sensors (such as wheel-speed) to increase performance whenever required.
The Vision Navigator is the ideal solution for applications in robotics, precision agriculture, autonomous driving, infrastructure mapping, outdoor industrial applications, and many others.
The Vision Navigator provides accurate and reliable position, velocity, and orientation measurements by fusing visual odometry with several sensor data streams, including in extended GNSS outages.
The Vision Navigator supports several navigation modes to adjust to different platforms' specific dynamics. These modes capture the data streams from the selected vehicle type and tune the sensor fusion algorithm to improve performance based on the platform restrictions. The table below summarizes the characteristics of each tuning mode.
|
Mode |
Application |
v range |
ω range |
|---|---|---|---|
|
Car |
Dynamics similar to that of a passenger car. |
±22 m/s |
0.5 rad/s |
|
Generic |
Default mode that covers most platforms’ dynamics. |
±3 m/s |
1.5 rad/s |
|
Lawnmower |
Dynamics similar to that of a lawnmower robot. |
±3 m/s |
1.0 rad/s |
|
Slow robot |
Dynamics similar to that of a slow-moving utility robot. |
±3 m/s |
0.5 rad/s |
Enabling a wheelspeed sensor is recommended for optimal performance. All tuning modes support wheelspeed. Note that the above v and ω values correspond to the expected dynamics for these vehicles. However, even though the sensor does not strictly enforce these ranges, exceeding these values can degrade performance.