基于参数尺度变换的多谐波自适应前馈主动控制方法

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (21) : 300-309.

论文

基于参数尺度变换的多谐波自适应前馈主动控制方法

段宁远1,2，范文焜1，宋怡欣1，刘博1，童宗鹏1,2，华宏星3

作者信息 +

Multi-harmonic adaptive feedforward active control method based on parametric scale transformation

UAN Ningyuan1,2, FAN Wenkun1, SONG Yixin1, LIU Bo1, TONG Zongpeng1,2, HUA Hongxing3

Author information +

文章历史 +

摘要

螺旋桨脉动力会产生与轴频、叶频及倍频相关的周期激励信号，在频谱中表现为多个低频窄带线谱。此外，激励幅值、频率及相位会随着轴系转速、油膜润滑等条件的变化而产生未知波动，具有显著的时变特征。本文针对船舶动力系统的时变多谐波线谱振动特征，提出了一种基于参数尺度变换的自适应前馈主动控制方法。基于多跨多支承推进轴系动力学模型，进行了多谐波自适应前馈算法仿真验证，实现了对多个未知窄带干扰的有效衰减。考虑通道耦合响应关系，建立了多输入-多输出系统的多通道振动主动控制策略，开展了多通道交叉耦合谐波振动控制效果分析。结果表明，本文所提出的基于参数尺度变换的自适应前馈主动控制方法对多跨多支承推进轴系的时变多线谱振动具有良好的控制效果。

Abstract

The pulsation force of the propeller related to the shaft frequency, blade frequency, and doubling frequencies excites multi-narrowband low-frequency line-spectrum vibrations of the shafting system. The pulsation force’s amplitude, frequency, and phase fluctuate with time considering variations in the shaft speed, oil film lubrication, and other conditions. This paper proposes an adaptive feedforward control method based on the parameter scale transformation for the time-varying multi-harmonic line-spectrum vibrations of the shafting system. Based on the multi-span and multi-support propulsion shaft model, simulation verification of the multi-harmonic adaptive feedforward control algorithm was conducted, achieving balanced attenuation of multiple narrowband interferences. Considering the channel coupling effect, the multi-channel active vibration control strategy for the multi-input multi-output system was established, and the control performance of the multi-channel cross-coupling tonal vibrations was analyzed. The results indicate that the adaptive feedforward control method proposed has a good control effect on time-varying multi-tonal vibrations of the propulsion shafting system.

导出引用

段宁远1, 2, 范文焜1, 宋怡欣1, 刘博1, 童宗鹏1, 2, 华宏星3. 基于参数尺度变换的多谐波自适应前馈主动控制方法[J]. 振动与冲击, 2024, 43(21): 300-309

UAN Ningyuan1, 2, FAN Wenkun1, SONG Yixin1, LIU Bo1, TONG Zongpeng1, 2, HUA Hongxing3. Multi-harmonic adaptive feedforward active control method based on parametric scale transformation[J]. Journal of Vibration and Shock, 2024, 43(21): 300-309

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