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Space Grant Consortium - University of Wisconsin - Green Bay

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The input <strong>of</strong> the “point to body” script is nine sets acceleration measurements (three axis at three<br />

locations) as well as estimated initial velocity vectors. The outout is two plots that show the<br />

change in body angular velocity and acceleration around the three principle axis. Simple<br />

modifications will also allow for the linear acceleration <strong>of</strong> the centroid to be output as a function<br />

<strong>of</strong> time, as well. The same variability <strong>of</strong> time step and simulation duration exists with this<br />

implementation, but as these parameters will be dictated by the input measurements, they are<br />

only relevant in the calculations themselves. In the figures below, a constant angular acceleration<br />

<strong>of</strong> 1 rad/sec/sec was applied about the Z-axis in the corresponding simulation.<br />

48

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