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Parameter identification of marine risers using Kalman-like observers

机译:使用卡尔曼式观测器的海洋立管参数识别

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摘要

The goal of this paper is to present a nonlinear approach to identify the structural parameters of a vertical riser. To carry out this task, Kalman-like observers are proposed so that they can deal with the nonlinear behavior that is exhibited in the restoring force of a riser and the noise of the measurement signals that are used to perform the identification. The observers are designed from a spatial discretization of a nonlinear model with distributed parameters that is described by a system of quasi-linear partial differential equations. Some results from numerical simulations-showing the feasibility of the proposed approach-are presented.
机译:本文的目的是提出一种非线性方法来识别垂直立管的结构参数。为了执行此任务,提出了类似卡尔曼的观察器,以便他们可以处理立管的恢复力中所表现出的非线性行为以及用于执行识别的测量信号的噪声。观察者是根据具有分布参数的非线性模型的空间离散化而设计的,该参数由准线性偏微分方程组描述。数值模拟的结果表明了该方法的可行性。

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