Accuracy of Angular Displacement Measurements Using IMU

As a part of a larger group, this research focused on gathering data from accelerometers to gather further knowledge on how these devices could be used in further experiments. Using the Sparkfun Artemis accelerometer, angular displacement was isolated and tested to understand the parameters and abilities of the device. Simple tests were run moving the device through 90 degree angular changes. The data collected by the accelerometer was then analyzed using code written specifically to graph angular changes. The data was run through a low and a high pass filter to account for any drift experienced during the tests. An apparatus was constructed to allow the use of multiple accelerometers at once, passing through the X, Y, and Z coordinate grids. Tests were conducted moving the accelerometers through known angles, and Matlab was run to analyze the results of the experiments run with this apparatus. Graphs were obtained from Matlab to represent the angular displacement experienced by each accelerometer.