磁流变变刚度变阻尼扭转振动仿人智能控制

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (23) : 270-279.

论文

磁流变变刚度变阻尼扭转振动仿人智能控制

李文峰1，葛新锋1，席军2，李坪洋3，刘乐1，高健容1

作者信息 +

Artificial intelligent control of torsional vibration with MR variable stiffness variable damping

LI Wenfeng1, GE Xinfeng1, XI Jun2, LI Pingyang3, LIU Le1, GAO Jianrong1

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文章历史 +

摘要

有效的扭转刚度控制可以通过调节系统的固有特性和共振频率改善系统的扭转振动性能、恰当的扭转阻尼调节可以通过耗散扭转振动的能量来抑制扭转振动的幅值。针对扭转刚度和扭转阻尼对传动系统扭转振动的不同影响规律，提出一种基于混合田口遗传算法的磁流变传动系统变刚度变阻尼扭转振动仿人智能控制策略。首先根据所设计的磁流变扭转减振器建立了磁流变变刚度变阻尼传动系统动力学模型；基于混合田口遗传算法对磁流变传动系统扭转刚度和扭转阻尼控制参数的动态寻优结果，设计了一种兼顾时域和频域、具有分区协同、多模态多控制器的仿人智能控制器；随后进行了仿真分析和试验研究，结果表明，在较宽频段内，基于混合田口遗传算法的仿人智能控制均能有效抑制磁流变传动系统的扭转振动；当试验激励频率为3.5Hz时，相对于被动传动系统和改进天棚控制系统，所提仿人智能控制分别将系统的峰值角位移和角速度减小44%、48%和14%、18%，其控制效果明显优于改进天棚控制，显著改善磁流变传动系统的输出特性。

Abstract

Effectively reversing the stiffness control can improve the torsional vibration performance of the system by adjusting the inherent characteristics and resonance frequency of the system. Proper torsional damping adjustment can suppress the amplitude of torsional vibration by dissipating the energy of torsional vibration. For the different influence laws of torsional stiffness and torsional damping on the torsional vibration of transmission systems, a hybrid Taguchi genetic algorithm-based Human-Simulated Intelligent torsional vibration control strategy for magnetorheological (MR) transmission systems with variable stiffness and variable damping was proposed. Firstly, the dynamics model of MR variable stiffness and variable damping transmission system was established. A hybrid Taguchi genetic algorithm was adopted to dynamically seek for the optimal combination of torsional stiffness and torsional damping parameters for MR transmission system under various excitation frequency conditions, and then a human-simulated intelligent controller (HSIC) is designed. Finally, simulation analysis and experimental investigation were carried out. The results indicate that the hybrid Taguchi genetic algorithm-based HSIC with variable stiffness and variable damping can effectively suppress the torsional vibration and significantly improve the output characteristics of the MR transmission system. When the excitation frequency of the test is 3.5Hz, the proposed HSIC system reduces the peak angular displacement and angular velocity of the system by 44%, 48% and 14%, 18% respectively compared to the passive transmission system and the improved skyhook control system. Furthermore, the control performance of the proposed human-simulated intelligent control algorithm is superior to that of the improved skyhook control algorithm.

导出引用

李文峰1, 葛新锋1, 席军2, 李坪洋3, 刘乐1, 高健容1. 磁流变变刚度变阻尼扭转振动仿人智能控制[J]. 振动与冲击, 2024, 43(23): 270-279

LI Wenfeng1, GE Xinfeng1, XI Jun2, LI Pingyang3, LIU Le1, GAO Jianrong1. Artificial intelligent control of torsional vibration with MR variable stiffness variable damping[J]. Journal of Vibration and Shock, 2024, 43(23): 270-279

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