Predicting Roll Angular Motion

  • Hall, Peter (PI)
  • Poskitt, Donald S (CoI)

    Project: Research

    Project Details


    The roll angular motion, or RAM, of a ship denotes its oscillation about its longitudinal axis, primarily caused by wave motion. The ability to predict RAM is of significant practical utility. For example, in defence-related work it plays a role in determining accuracy of weapons systems. We suggest a technique for predicting RAM. Our method borrows from both parametric and nonparametric statistics, in that a sinusoidal model is fitted to data but only over a short time interval. We show how to both assess and correct error. In particular, we propose methods for attaching probabilities to the accuracy of predictions.
    Effective start/end date11/04/0331/12/05


    • Australian Research Council (ARC): A$69,099.00
    • BAE Systems Australia Ltd: A$23,100.00


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