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船舶翼帆回转速度的非线性补偿控制

DOI: 10.11990/jheu.201405076

Keywords: 翼帆, 调速阀, 回转速度, 非线性补偿, 前馈, 液压系统

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Abstract:

针对翼帆回转控制实验中出现的起动升速、制动降速过程转速曲线的非线性特征,建立翼帆转速与调速阀电流关系的数学模型及其逆函数模型.基于翼帆回转液压实验台的阀控调速开式液压系统,采用非线性前馈补偿控制和实验研究方法对调速阀电流进行补偿控制.实验结果表明: 该补偿方法能够得到线性度较高的升速、降速曲线,同时也能够提高转帆精度,是翼帆回转前馈补偿控制研究的关键步骤,为翼帆回转控制器设计和翼帆的实船应用奠定基础.

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