基于主动支承的推进轴系横向振动传递控制方法研究

朱月月1,黄志伟3,谢溪凌1,张志谊1,2

振动与冲击 ›› 2021, Vol. 40 ›› Issue (9) : 120-124.

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振动与冲击 ›› 2021, Vol. 40 ›› Issue (9) : 120-124.
论文

基于主动支承的推进轴系横向振动传递控制方法研究

  • 朱月月1,黄志伟3,谢溪凌1,张志谊1,2
作者信息 +

Vibration transmission control method of propulsion shafting system based on active supports

  • ZHU Yueyue1, HUANG Zhiwei3, XIE Xiling1, ZHANG Zhiyi1,2
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文章历史 +

摘要

为减小螺旋桨激励下推进轴系的横向振动传递,提出了一种基于主动支承的控制方法。该方法在艉轴承处按垂直、水平两个正交方向布置连接艉轴承与壳体的主动支承,支承内部安装电磁作动器并采用直接速度反馈,抑制螺旋桨横向激励通过艉轴承支承向壳体传递,降低螺旋桨横向脉动力诱发的壳体表面振动与声辐射。建立了桨轴系-主动支承-壳体的耦合动力学模型与壳体声辐射计算模型,通过仿真揭示了主动支承对螺旋桨激励下的壳体表面声功率具有明显的抑制效果,还给出了原理性实验验证,结果表明正交主动支承能够衰减轴端激励引起的壳体表面法向振速。

Abstract

Here, in order to reduce transmission of lateral vibration of a propulsion shafting system under excitation of propeller, a control method to use active supports was proposed.Active supports were arranged at the position of stern bearing in vertical and horizontal directions to connect stern bearing and hull.Electromagnetic actuator was installed in active supports, and the direct velocity feedback control strategy was adopted.Propeller’s lateral excitation transmitted to hull through stern bearing support was suppressed to reduce hull surface vibration and sound radiation induced by lateral pulse force of propeller.The propeller shafting-active support-hull coupled dynamic model and the hull sound radiation computation model were established.The simulation results showed that active supports have obvious suppression effect on sound power of hull surface under excitation of propeller.The theoretical analysis results were verified with tests.The test results showed that orthogonal active supports can attenuate vibration velocity on hull surface in normal direction caused by shaft end excitation.

关键词

横向振动 / 主动支承 / 速度反馈

Key words

lateral vibration / active support / velocity feedback

引用本文

导出引用
朱月月1,黄志伟3,谢溪凌1,张志谊1,2. 基于主动支承的推进轴系横向振动传递控制方法研究[J]. 振动与冲击, 2021, 40(9): 120-124
ZHU Yueyue1, HUANG Zhiwei3, XIE Xiling1, ZHANG Zhiyi1,2. Vibration transmission control method of propulsion shafting system based on active supports[J]. Journal of Vibration and Shock, 2021, 40(9): 120-124

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