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Description
IMU data will be combined with our GNSS data to get odometry of our robot
This is how the robot will work in real life, so we need to simulate an IMU to develop the navigation component and odometry of our robot.
We are aiming for a 9 degree of freedom (9-DOF) IMU, this includes an accelerometer, gyroscope and magnetometer. Some IMUs are 10-DOF, which include a barometer (air pressure sensor) to find altitude. We will be using our GNSS to find altitude, so no need to use the barometer. On our real robot, we may use barometer data in our science report, but not planning to use barometer data in navigation.
We won't be going with wheel odometry, (taking the radius of the wheels and position to estimate where the robot is pointing) as our wheels will spin out on dirt and just won't be accurate enough for odometry.