What You Can Use A Weekly Lidar Robot Navigation Project Can Change Yo…

LiDAR Robot Navigation

LiDAR robot navigation is a sophisticated combination of localization, mapping and path planning. This article will present these concepts and explain how they work together using an easy example of the robot achieving a goal within a row of crop.

LiDAR sensors have modest power demands allowing them to increase the life of a robot's battery and decrease the amount of raw data required for localization algorithms. This allows for a greater number of iterations of SLAM without overheating the GPU.

LiDAR Sensors

The central component of lidar systems is its sensor, which emits laser light in the surrounding. These light pulses bounce off the surrounding objects at different angles depending on their composition. The sensor is able to measure the amount of time required to return each time and uses this information to determine distances. Sensors are positioned on rotating platforms that allow them to scan the surroundings quickly and at high speeds (10000 samples per second).

LiDAR sensors can be classified according to whether they're intended for airborne application or terrestrial application. Airborne lidar systems are typically mounted on aircrafts, helicopters or UAVs. (UAVs). Terrestrial LiDAR is usually mounted on a robotic platform that is stationary.

To accurately measure distances the sensor must always know the exact location of the robot. This information is captured using a combination of inertial measurement unit (IMU), GPS and time-keeping electronic. LiDAR systems make use of these sensors to compute the precise location of the sensor in time and space, which is then used to create an 3D map of the surrounding area.

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