With the development of technology, robots have moved from factory production lines to outdoor life, from inspection robots in substations and gas stations, to agricultural spraying and fertilizing robots, to soccer field line painting robots and lawn mowers. As the application of outdoor inspection and service robots is becoming more and more popular, the technology is also becoming increasingly mature. GNSS, as the main technology for outdoor positioning, can achieve different levels of positioning accuracy covering sub-meter, decimeter and centimeter, with the help of differential correction data and precise point positioning technology. It can also be combined with inertial navigation, vision sensors, radars and other sensors to achieve high-precision positioning in various complex environments.
In combination with electronic map and path planning algorithms, GNSS can accurately locate and orient robots to automatically travel according to the planned route. For the GNSS module with a single antenna, it can provide accurate position and orientation information of a moving robot. For the GNSS module with dual antennas, even if the robot is not moving, the module can also provide accurate position and orientation information. Unicore's small-sized positioning modules support both single antenna and dual antennas, and have been successfully applied to various outdoor robots such as inspection robots, line painting robots, agricultural spraying robots and lawn mower robots.
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