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Estimate Dynamic Lever-arm Caused by Ship Flexure Deformation Based on Acceleration Matching

机译：基于加速匹配的船舶弯曲变形估计动态杠杆臂

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摘要

The misalignment angle and the lever-arm are affected by the flexural deformation of ship deck, which degrades the transfer alignment accuracy. It is necessary to model and estimate the flexural deformation angle of ship deck, caused by the dynamic lever-arm. By compensating the error to improve the alignment accuracy is extremely vital significance. In this paper, firstly the model between distortion angle and dynamic lever-arm is built and the dynamic lever-arm listed in the state vector is proposed. Finally "acceleration" matching measurement equation is established and Kalman filtering is adopted to estimate dynamic lever-arm, mounted misalignment angle and distortion angle. The simulation results show that, using the proposed model can estimate dynamic lever-arm, mounted misalignment angle and distortion angle within 10s, which meet the requirements of the alignment precision and time.
机译：未对准角度和杠杆臂受到船舶甲板的弯曲变形的影响，这降低了转移对准精度。有必要模拟和估计由动态杠杆臂引起的船舶甲板的弯曲变形角度。通过补偿误差以提高对准精度是极其至关重要的意义。在本文中，首先建立了变形角和动态杆臂之间的模型，提出了状态向量中列出的动态杆臂。最后，建立了“加速”匹配测量方程，采用卡尔曼滤波来估计动态杆臂，安装的未对准角度和失真角。仿真结果表明，使用所提出的模型可以在10S内估计动态杠杆臂，安装的未对准角度和变形角度，这符合对准精度和时间的要求。

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