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SBG Miniature Inertial Navigation Systems for UGV Autonomous Navigation
An Inertial Navigation System (INS) provides real-time roll, pitch, and heading integrated with a GNSS receiver to maintain accuracy in case of signal outages (buildings, trees, tunnel, etc.).
The inertial sensor is also used to precisely synchronize and stabilize additional equipment such as LiDAR or Camera.
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The Mars Rover Project The McGill Robotics team designed the robot to participate in two international competitions which required every team to operate their rover, from a hidden control center, in a Mars-like desert environment through various runs to accomplish complex tasks. These tasks involved traversing rough terrains, carrying payload to remote locations, servicing a … Continued
Autonomous Robot for Gas & Oil Sites Launched in December 2013, the ARGOS (Autonomous Robot for Gas and Oil Sites) Challenge is organized by the oil and gas company TOTAL with the French National Research Agency (ANR). It aims to bring out in less than three years a new generation of autonomous robots able to … Continued
Tips
Magnetic heading can be convenient for some application but requires a magnetic calibration as it is sensitive to iron-based equipment. Heading based on GNSS is not vulnerable to iron but requires an antenna to transmit L1/L2 signals from satellites.
One antenna is good enough for accurate heading in dynamic motion applications. A dual-antenna GNSS receiver will provide a more precise heading, especially when the vehicle is in slow motion, or often static. A dual-antenna solution also initializes more efficiently.
If your UGV is designed to drive in harsh conditions, you should consider RTK and multi-constellation GNSS models such as the Ellipse2-D. The choice of antennas will also be important, refer to your SBG rep for advice.